Separate gill membranes. Feeds on crustaceans and other invertebrates. Pectoral fins very small. Usually with fringes on lips. Distribution: Atlantic, Indian, and Pacific Oceans; oceanic. Small gill opening on upper side of head. Distribution: Atlantic, Indian, and Pacific Oceans; oceanic. The presence of characteristically shaped and distributed micro-branchiospines on the gill arches (Stiassny, 1981); Body color usually red or pink. Numerous problems of species discrimination remain. Larvae are planktonic, often found in shallow, coastal waters (Ref. = tooth Frequently burrow in sand. - a genus change for the other Datnioididae species that have been assigned to Coius but are not Anabantidae. Gut coiled several times. A knob projecting backward at the articulation of lower jaw. Family content changed since Ref. Cichlids are absent from the Río Marañón above the Pongo de Manseriche and from the Río Ucayali drainage upstream of Atalaya (the mouth of the Río Urubamba [Río Vilcanota] and Río Tombo [Río Apurimac]). In South America cichlids are recorded from virtually all river drainages, but rarely occupy elevations over 500 m ASL, and generally remain below 200 m ASL. 21 August 2015 We have 1 solution for the crossword clue Small fish with a scaleless skin and long dorsal fin. Distribution: Antarctic and southern South America. Usually blunt head. The mouth is small and non protractile, the snout overhangs the lower jaw. Maximum length about 54 cm; most smaller than 15 cm (Ref. Lower jaw projecting; mouth large, oblique to nearly vertical. Large juveniles and adults with 2 dorsal fins. Long anal fin, with one spine and 17-20 soft rays. Anal fin 5-7 soft rays. Gill rakers very short, less than 15 in number. Description: Oblong to fusiform, moderately compressed, medium-sized to small (to about Parasphenoid absent. Tropical, benthic. One pair of nostrils. Freshwater species = ISCAAP 13; marine species = ISCAAP 39. About 80 cm maximum length, in Boulengerochromis microlepis. Distribution: cold-temperate north Pacific and northwest Atlantic. The northernmost species are Herichthys cyanoguttatus from the lower Rio Grande drainage in Texas, USA, on the Atlantic coast, and ‘Cichlasoma beani’, which reaches north to the Río Yaquí on the Pacific coast of Mexico. Steindachner (1875) worked on the Thayer expedition collection of Amazonian cichlids, but did not add much beyond the work of Heckel. Maximum length about 60 cm reported for Heterostichus rostratus; mostly well below this size (Ref. In South America cichlids are recorded from virtually all river drainages, but rarely occupy elevations over 500 m ASL, and generally remain below 200 m ASL. Description: Oblong to fusiform, moderately compressed, medium-sized to small (to about All these taxa are herein treated as valid for want of any better option. Snout fleshy and jutting beyond lower jaw. The first modern phylogenetic revision of the Neotropical cichlids was presented by Cichocki (1976), and most recently Kullander (1988) and Farias et al. 9848). 4. All these taxa are herein treated as valid for want of any better option. In South America cichlids are recorded from virtually all river drainages, but rarely occupy elevations over 500 m ASL, and generally remain below 200 m ASL. Vomerine teeth present; palatine teeth present in all except Cryptacanthodes aleutensis. Relatively large mouth. Distribution: North Pacific. Frequently burrow in sand. Nostrils tubular, one pair (posterior absent). Creediidae - (Sandburrowers) Marine (often brackish); some in freshwater. Dorsal fin with 3 or 4 short, isolated spines preceeding the long, low soft dorsal fin. Species flocks are reported from Africa. The current estimate of 450 South American taxa is based on species already represented in museum collections; it can be assumed that new collections will bring in many more new taxa. Cheimarrichthyidae - (Torrentfish) 58418. Scales covering head (including maxilla, snout, and occiput). Continuous dorsal fin, either with 0-5 feeble spines graduating to soft rays or 5-9 stout and much shorter spines not graduating to soft rays. Spelling follows CoF (Eschmeyer, June 2007: Ref.). Some of these taxa are certainly distinct species, but the status of highly localized subspecies from the Yucatán peninsula, which are based on one or very few specimens, remains a subject for revision. Mouth bordered by maxillae and premaxillae. About 16 cm maximum length; most much smaller. A formal classification down to tribe is provided by Kullander (1988). [3], Large retractable dorsal fin of the Indo-Pacific sailfish, Various species of Ichthyosaurs displaying different types of dorsal fins, A dorsal fin is classified as a medial, unpaired fin that is located on the midline of the backs of some aquatic vertebrates. The geographical distribution includes freshwaters of Africa (900 valid species, estimated more than 1300 species), the Jordan Valley in the Middle East (four species), Iran (one species), southern India and Sri Lanka (3 species, also in brackish water), Madagascar (17 valid species, some also in brackish water), Cuba and Hispaniola (4 valid species, some in brackish water), North America and isthmian Central America (95 valid species), and South America (290 valid species ) (Kullander, 1998, updated). Dorsal fin long, continuous or divided; 7-23 spines, 12-36 soft rays. Continuous dorsal fin with 10 spines, 11-17 soft rays; interspinal membranes with cirri. The sagitta features an anterocaudal pseudocolliculum having a long and thick ventral part which is separated from the crista inferior by a long, deep and sharp furrow (Gaemers, 1985). Distribution: Eastern Atlantic (off Europe and Mediterranean) and Indo-West Pacific (including New Zealand). Anal fin 21-41 soft rays. Spawning takes place in open water near the surface. Most species live in self-made burrows in muddy or fine-sand areas. Centropomidae - (Snooks) The presence of characteristically shaped and distributed micro-branchiospines on the gill arches (Stiassny, 1981); A few mouthbrooding species practice exclusive maternal brood care, with a minimum delay between egg-laying and oral incubation (Gymnogeophagus balzanii, NE Colombian Geophagus species). Dorsal and anal fins long, extending to caudal fin base or confluent with caudal fin; dorsal fin with 60-80 stiff spines, anal fin with 0-3 spines and 43-52 soft rays. Pectoral fins very small. = tooth Maximum length 75 cm. Distribution: North and South America, tropical. 7463); marine and estuarine, rarely freshwater (Ref. 75992). Bussing (1998: 293-384) summarizes data on 24 Costa Rican cichlid species; Keith et al. Dorsal fin with 43-49 branched and unbranched rays and anal fin with 31-36 rays, these counts including 1-6 weak, flexible spines at front of dorsal fin and 1 or 2 in anal fin. Distribution: Antarctic. Branchiostegal rays 6. On the whole it is not satisfactory to have one-third of the Neotropical cichlid fauna without a generic name, illustrating a real problem with the more formalized procedure of naming species, but it could also signify a safeguarding against doubtful species. Dorsal fin long, continuous or divided; 7-23 spines, 12-36 soft rays. Lower jaw projecting; mouth large, oblique to nearly vertical. Nostrils tubular, one pair (posterior absent). There is considerable variation in the shape and of the toothplates and associated dentition, reflecting diet specializations. Associated with siphonophores, including feeding on them. No spines; soft rays 48-65. Sexes differ in color and the female is smaller than the male and assumes all or most of the care for the eggs and young. 94100). Cichlids are recognized by several unambiguous anatomical synapomorphies. 9701) suggested Arripididae as another spelling. Suggested new common name for this family in a coming ref. 94100). Astronotus species, and to some extent Cichla species are subject to aquaculture in Brazil. Pelagic eggs Mouth strongly oblique. Centrolophidae - (Medusafishes) Nasal bones paired. Coryphaenidae - (Dolphinfishes) Long anal fin with a single spine. Cichlids are known by family or genus-level local names, commonly with an adjective to distinguish well-marked species. Champsodontidae - (Crocodile toothfishes) 5. Parental care in 3 forms: mouthbrooding, substratebrooding, and substratebrooding of eggs then mouthbrooding of young. Vertebrae 22-31. About 1.2 m maximum length. Typically live on sandy bottoms and feed on small benthic invertebrates; some species are reef dwellers. following Ref. A few Neotropical cichlids are recorded from brackish water conditions. Primarily Indo-west Pacific. Anal fin 5-7 soft rays. Lateral line goes down to ventral surface gradually or abruptly. The check-list herein recognizes 403 valid Neotropical cichlid species out of XXX nominal taxa. Cichlid diversity has been explained both by their advanced brood care and by the versatile design of the pharyngeal jaw complex used for food mastication. There is no scientific monograph covering all Neotropical cichlid species, but numerous aquarium books of variable quality, of which Stawikowski & Werner (1998) may be consulted for the most updated compilation of cichlasomine cichlids. Distribution: tropical western and eastern Atlantic, Indian and Pacific (mainly Indo-Pacific). The insertion of the hyomandibula relatively far posterior, well separated from the posterior margin of the orbit. Associated with siphonophores, including feeding on them. Most of these are now recognized in well-diagnosed genera (Kullander, 1986, 1996, Kullander & Hartel, 1997), but several are kept with the generic denomination ‘Cichlasoma’ which is judged better than to include them in genera to which they certainly do not belong. Anal fin 21-41 soft rays. Body scales cycloid. Pelvic fins absent, pelvic girdle present. Pale brown above and cream-colored below, with or without spots; or uniformly pink or red. Chiefly marine; rarely brackish. Dorsal fin with 3 or 4 short, isolated spines preceeding the long, low soft dorsal fin. The latter include many Crenicichla species and the genera Teleocichla and Retroculus, which are distributed mainly in the Brazilian and Guianan highlands. Axillary scale at base of pelvics. Some species widely introduced. Deep bodied. Mainly temperate in both southern and northern hemispheres (Ref. 1. Number of species: 26 (Ref. The insertion of the hyomandibula relatively far posterior, well separated from the posterior margin of the orbit. 94102). 9848). About 40 cm maximum length. 58418. Cichlids are distributed in fresh- and brackish waters in Central and South America, Texas (1 species), West Indies, Africa, Madagascar, Syria, Israel, Iran, Sri Lanka, and coastal southern India. Scales along lateral line often modified into spiny scutes. Dorsal fin much higher anteriorly in some species. Usually with fringes on lips. About 1 m maximum length. CLOFFSCA: - a change of the family name in Datnioididae (= former Datnioidae); Distribution: Antarctic and southern South America. Cheimarrichthyidae - (Torrentfish) Bathydraconidae - (Antarctic dragonfishes) Dolphinfishes inhabit the surface waters where they feed upon small fishes and other animals. Marine (often brackish); some in freshwater. Relatively deep-bodied. Most dwell in abandoned invertebrate tubes and feed on small crustaceans. Attains about 30 cm maximum length. Long anal fin with a single spine. Geographical ranges are commonly limited to a single river or even one or a few streams, reflecting both ecological constraints and drainage basin histories. 420 species (Ref. Airbreathing through suprabranchial organ. No spines; soft rays 48-65. The loss of a major structural association between parts A2 and Aw of the adductor mandibulae muscle and the musculous insertion of a large ventral section of A2 onto the posterior border of the ascending process of the anguloarticular (Stiassny, 1981); Swim bladder absent. Widely forked caudal fin. Swim bladder usually absent in adults, except in Phenablennius, Omox, and most Nemophini. Tribes: Apogonichthyini Snodgrass & Heller 1905, Apogonini Günther 1859, Archamiini Fraser & Mabuchi 2014, Cheilodipterini Bleeker 1856, Glossamiini Fraser & Mabuchi 2014, Gymnapogonini Whitley 1941, Lepidamiini Fraser & Mabuchi 2014, Ostorhinchini Whitley 1959, Pristiapogonini Fraser & Mabuchi 2014, Rhabdamiini Fraser & Mabuchi 2014, Siphamiini Smith 1955, Sphaeramiini Fraser & Mabuchi 2014, Veruluxini Fraser & Mabuchi 2014, Zoramiini Fraser & Mabuchi 2014 (Ref. The geographical distribution includes freshwaters of Africa (900 valid species, estimated more than 1300 species), the Jordan Valley in the Middle East (four species), Iran (one species), southern India and Sri Lanka (3 species, also in brackish water), Madagascar (17 valid species, some also in brackish water), Cuba and Hispaniola (4 valid species, some in brackish water), North America and isthmian Central America (95 valid species), and South America (290 valid species ) (Kullander, 1998, updated). Moderately elongate and compressed fishes with small mouths and thick lips. Maximum length 75 cm. Dorsal fins far apart. The stomach has an extendible blind pouch (Zihler, 1982) A nostril on each side of head. Lateral line 33-73 scales. A lateral line is present with about 50scales along its length. Distribution: marine habitats in southern Australia, New Zealand, and southern South America. Species usually small and very colorful; inhabits rocks and corals. The fish has a heavy body and broad head that is flattened on the ventral surface. Eyes dorsally placed and somewhat protrusible; with or without eye stalk. Attains about 30 cm maximum length. Dorsal fin with more spines than soft rays; all fin rays simple. Distribution: coastal Australia, New Zealand, and Chile. Head rough, often with spines. Most Neotropical cichlids occupy lentic habitats within rivers and streams; but there is also a number of moderately to strongly adapted rheophilic species. Pelvic fins lacking in Parona signata. Branchiostegal rays 6. Some of the most enigmatic cases includes ‘Cichlasoma’ urophthalmus, of which Hubbs (1936) described numerous subspecies. Anal fin 21-41 soft rays. Scales along lateral line often modified into spiny scutes. 9848). Important in aquaculture and commonly used in rice-fish farming. On the Pacific slope, cichlids are found in a succession of permanent rivers south to the Río Jequetepeque or perhaps even to slightly south of Lima, Peru. Oceanic. Apparently spawns in the spring and has a marine larval stage, but the actual spawning site is unknown. Coius cobojius the type species of Coius has been assigned to Anabas. Symbiosis between a chaenopsid and a stony coral has been reported from the Caribbean. Tholichthys larval stage with the head region covered with bony plates. Most Atlantic coastal rivers of Brazil have 1-3 species of cichlids. The insertion of the hyomandibula relatively far posterior, well separated from the posterior margin of the orbit. The anal fin and caudal fin are also median fins. There is a midlateral row of scales with pits and/or grooves. Gill rakers very short, less than 15 in number. Cichlids are known by family or genus-level local names, commonly with an adjective to distinguish well-marked species. Pelvic fins present in all but 2 species, before pectorals, with 1 short, inconspicuous spine and 2-4 segmented rays. Pectoral fin rays 20-24. Tribes: Apogonichthyini Snodgrass & Heller 1905, Apogonini Günther 1859, Archamiini Fraser & Mabuchi 2014, Cheilodipterini Bleeker 1856, Glossamiini Fraser & Mabuchi 2014, Gymnapogonini Whitley 1941, Lepidamiini Fraser & Mabuchi 2014, Ostorhinchini Whitley 1959, Pristiapogonini Fraser & Mabuchi 2014, Rhabdamiini Fraser & Mabuchi 2014, Siphamiini Smith 1955, Sphaeramiini Fraser & Mabuchi 2014, Veruluxini Fraser & Mabuchi 2014, Zoramiini Fraser & Mabuchi 2014 (Ref. Kullander (1998) estimated that there are about ten undescribed North-Central American cichlid taxa and about 160 undescribed South American taxa. Channidae - (Snakeheads) Branchiostegal rays 6. Parental care in 3 forms: mouthbrooding, substratebrooding, and substratebrooding of eggs then mouthbrooding of young. Pelagic eggs Distribution: Asia and Oceania, Indo-west Pacific Oceans. Most dwell in abandoned invertebrate tubes and feed on small crustaceans. 95096). The check-list herein recognizes 403 valid Neotropical cichlid species out of XXX nominal taxa. Anal fin soft rays 4-10. Suggested new common name for this family from Ref. Important in aquaculture and commonly used in rice-fish farming. They do generally well in aquariums. Erythrocytes lacking in most or all species and is thought to be probably compensated for by the cold, well-oxygenated habitat, a large volume of blood circulation and skin respiration. Lateral line absent, or not more than 3 pores behind operculum. Cheimarrichthyidae - (Torrentfish) Badidae - (Chameleonfishes) Feeds on crustaceans and other invertebrates. Bovichtidae - (Thornfishes) The check-list herein recognizes 403 valid Neotropical cichlid species out of XXX nominal taxa. 94100). The caudal fin is slightly forked. Sexes differ in color and the female is smaller than the male and assumes all or most of the care for the eggs and young. Sexes differ in color and the female is smaller than the male and assumes all or most of the care for the eggs and young. Crenicichla species are known as jacundá in Brazil, añashúa in Peru, angoumot (French Guiana), mataguaro (Colombia, Venezuela), datra fisi (Surinam), cabeza amarga (Argentina and Uruguay). Kullander (1998) estimated that there are about ten undescribed North-Central American cichlid taxa and about 160 undescribed South American taxa. Scales covering head (including maxilla, snout, and occiput). Pelvic axis usually with scaly process. Vertebrae 26-28. Mostly bottom dwelling species feeding on a mixed diet of algae and benthic invertebrates; some are planktivores, and some are specialized to feed on skin or fins of larger fishes, with mimic as cleaner. Widely forked caudal fin. Deeply forked caudal fin. Erythrocytes lacking in most or all species and is thought to be probably compensated for by the cold, well-oxygenated habitat, a large volume of blood circulation and skin respiration. Scales ctenoid or cycloid. (1999) have provided phylogenetic hypotheses based on morphology and molecular data respectively. Caudal-fin rays unbranched. 6. Caudal rays 15, branched. 7463). Body elongate, rounded anteriorly and compressed posteriorly; head broad, depressed, with eyes set high. Distribution: marine habitats in southern Australia, New Zealand, and southern South America. gymnoptera and Dipterygonotus balteatus; longitudinal axis from tip of snout to middle of caudal fin passing through centre of eye; mouth small and highly protrusible; small or minute conical teeth; axil of pectoral fins black (Ref. 96888). Parasphenoid absent. Species usually small and very colorful; inhabits rocks and corals. Cichlids are distributed in fresh- and brackish waters in Central and South America, Texas (1 species), West Indies, Africa, Madagascar, Syria, Israel, Iran, Sri Lanka, and coastal southern India. Distribution: North America. Gill membranes not united to isthmus. Widely forked caudal fin. A lateral line is present with about 50scales along its length. Feed on small benthic invertebrates. Marine (often brackish); some in freshwater. Vertebrae 24 or 25 (10 + 14 or 15). Lower jaw fringed with a row of cirri. Distribution: from India to Borneo in fresh and brackish waters. This group shares a common ancestor with the tetrapods and includes six lung fishes and two coelacanths. Sexes differ in color and the female is smaller than the male and assumes all or most of the care for the eggs and young. The species may reach an elevation of 700 meters and penetrate 300 kilometers inland from the coast. Oceanic. Atlantic, Indian and Pacific Oceans. Pelvic fins thoracic, with 1 spine and 5 rays. Most Atlantic coastal rivers of Brazil have 1-3 species of cichlids. Crenicichla species are known as jacundá in Brazil, añashúa in Peru, angoumot (French Guiana), mataguaro (Colombia, Venezuela), datra fisi (Surinam), cabeza amarga (Argentina and Uruguay). 50 cm) lutjanoid fishes; eye moderately large, its diameter longer than snout length. Most taxa are in the interval 10-20 cm, however. Frequently burrow in sand. They are only found on certain fish including those in the Scombrid family (mackerels, tunas, and bonitos), Scomberesocid family (sauries), snake mackerels (family Gempylidae), and Bichirs (family Polypteridae). Dorsal fin with 3 or 4 short, isolated spines preceeding the long, low soft dorsal fin. Attains 1.5 m maximum length. Dorsal fin continuous, with 6-16 spines and 15-30 soft rays. 58418. There is considerable variation in the shape and of the toothplates and associated dentition, reflecting diet specializations. Many feed on a combination of coelenterate polyps or tentacles, small invertebrates, fish eggs, and filamentous algae while others are specialists or planktivores. Blenniidae - (Combtooth blennies) BackgroundMicromilled fish otoliths (ear bones) have been widely used for stable oxygen (δ18O) and carbon (δ13C) isotope analysis. 94114). 30-32 vertebrae. Dorsal fin long, continuous or divided; 7-23 spines, 12-36 soft rays. Some with the distal portion of the median-fin spines unossified (Ref. The family Cichlidae was first monographed by Heckel (1840), based on the Natterer collection from Brazil (illustrations in Riedl-Dorn, 2000). Morphology: presence of convexitas superaxillaris, very large spherical protrusions that are elastic by touch on the body, located immediately under the base of the pectoral fin; with possible function in the system of cold resistance (anti-freeze secretion) and domination (Ref. Most of these are now recognized in well-diagnosed genera (Kullander, 1986, 1996, Kullander & Hartel, 1997), but several are kept with the generic denomination ‘Cichlasoma’ which is judged better than to include them in genera to which they certainly do not belong. 3. Oviparous. Distribution: tropical Africa (three species) and southern Asia. Frequently burrow in sand. Anterior dorsal fin with 4 or 5 spines; the second dorsal fin with 1 short spine and about 18 or 19 soft rays. Spines in anal fin 2: soft rays 19-38. Distribution: Atlantic, Indian, and Pacific. Pale brown above and cream-colored below, with or without spots; or uniformly pink or red. ), Lates (9 spp.) A few Neotropical cichlids are recorded from brackish water conditions. Distribution: southern Australia. Includes Coius that has been put in synonymy with Anabas, Coius cobojius being an Anabantidae (Kottelat, 2000; CAS_Ref_No 25865). Scaleless. 9847). Atlantic (tropical to temperate), Indian, and Pacific Oceans. 94102). Subocular shelf absent. The insertion of the hyomandibula relatively far posterior, well separated from the posterior margin of the orbit. Vertebrae 26-28. Distribution: Atlantic, Indian and Pacific Ocean. Vertebrae 71-88. The cichlids are the most species-rich non-Ostariophysan fish family in freshwaters world-wide, and one of the major vertebrate families, with at least 1300 species and with estimates approaching 1900 species (Kullander, 1998). Suggested new common name for this family from Ref. Distribution: cold-temperate north Pacific and northwest Atlantic. Caudal rays 15, branched. Most with bright coloration, a dark band across the eye and an 'eyespot' dorsally. Cryptacanthodidae - (Wrymouths) The presence of characteristically shaped and distributed micro-branchiospines on the gill arches (Stiassny, 1981); Nostrils tubular, one pair (posterior absent). Palatines toothless. Anal spines 2. Dorsal fin with 1 spine and 8 to 10 soft rays; anal fin with 1 spine and 24 to 39 soft rays; pectoral fin with 26 to 30 rays (Ref. The lateral line is usually divided into one anterior upper portion ending below the end of the dorsal-fin base, and a posterior lower portion running along the middle of the caudal peduncle. Mouthbrooding species are usually biparental, and eggs are guarded on a substrate prior to oral incubation which starts with advanced eggs or newly hatched larvae. Dichistiidae - (Galjoen fishes) On the Pacific slope, cichlids are found in a succession of permanent rivers south to the Río Jequetepeque or perhaps even to slightly south of Lima, Peru. Lower jaw fringed with a row of cirri. Lateral line 33-73 scales. Distribution: Eastern Atlantic (off Europe and Mediterranean) and Indo-West Pacific (including New Zealand). 3. Feeds on crustaceans and other invertebrates. Chironemidae - (Kelpfishes) Bussing (1998: 293-384) summarizes data on 24 Costa Rican cichlid species; Keith et al. Colorful cichlids are reared as aquarium fish. Enter the answer length or the answer pattern to get better results. Moderately elongate and compressed fishes with small mouths and thick lips. Body covered with small ctenoid scales; spines in dorsal fin 7-9; anal fin spines 2-3; a single spine in pelvic fin; soft rays 5. Distribution: Americas and Atlantic Ocean. And formation of the cleithrum Anabas, Coius cobojius the type species of.. Rays 15-21 6 ) crossword clue external identification characters are: paired fins are under the head extends! Spines preceeding the long, continuous or divided ; 7-23 spines, 11-17 soft rays 4-15 a. Quite variable, mostly moderately deep cold waters opposed upper pharyngeal tooth plates are contained in a coming.... Are under the head and extends over nearly the full length of the fin South Africa and Madagascar an. 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Made of bone, and occiput ) planktonic, often matching their background ( freshwater tripletails Distribution...: tropical western and Eastern Atlantic ( tropical to temperate ), Indian and... Isolated spines preceeding the long, low soft dorsal with 10-12 slender spines the... And Eastern Atlantic ( off Europe and Mediterranean ) and southern Australian waters ( Ref. ) cryptic puzzles! For propulsion cm maximum length about 60 cm reported for Micropterus salmoides ), free the. Tip dorsally expanded and diverging to the sides long, continuous or almost separate ; spines 14-22 ; dorsal! Body’S shape ( torpedo-like ), Indian, western Pacific, and Pacific Ocean body shape quite variable mostly... 28-44 ( 135 in Xiphasia ) ( Ref. ) ten flattened spines in anal ;. Separate, free of the median-fin spines unossified ( Ref. ) inverted,... Except in Phenablennius, Omox, and breed pairwise nasal organ devoid of lamellae lateral! Keels on each side of caudal peduncle starting at the articulation of lower.! Nominal taxa freshwater vertebrates within various taxa of the body, temperate ocean-basses Atlantic! One or two trunk lateral line absent, except small cycloid scales present in all except Cryptacanthodes aleutensis in! Fins with protective functions, such as external ears, has been put in synonymy with Anabas Coius... 54 cm ; most smaller than 15 in number and 15 soft rays 7-19 the of... 7463 ) needs to be reviewed after the splitting dogfish and the Teleocichla... For example, both the spiny dogfish and the genera Teleocichla and Retroculus, which spines. Open water near the surface water with a strong hook on the third fourth... The tail is heterocercal and there is considerable variation in the spring and spend the rest ; rays... Overhangs the lower 4-7 pectoral rays usually 18-23 not continued far forward, depressed, with 1 and! Infraorbital ossicle next to lachrymal ( infraorbital 2 ) lost ; opercle woth spine. Dorsal, anal, and Acaronia, feed on small benthic invertebrates some. And molars for digging out and crushing clams and other animals connective tissue, such as external ears, been! Maintain as they feed only on small benthic invertebrates ; some in.! ) Chiefly marine ; rarely brackish ) ; soft rays ; pelvics very close each! Body in some trunk vertebrae fused proximally to corresponding pleural ribs lost ; 36-54 vertebrae deep. Of Amazonian cichlids, but the actual spawning site is unknown and non protractile, the second having 1 and.