Term
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Definition
| Variety of jaw lengths and shapes. Lower jaw can be elongated. Needlefish, flying fish, and Garfishes |
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Term
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Definition
| Marked sexual dimorphism, pelvic fins absent, four eyed fishes, gynogenetic in some species. Livebearers, Killifishes, and Rivulines |
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Term
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Definition
| Suborbital stay, and spiny or bony plates on the head. Rock Fish, and Lion fish. Both are poisonous. |
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Term
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Definition
| Single dorsal fin made up of soft rays. Small. Smelts. |
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Term
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Definition
| Sexual dimorphism with males and females in snouts. Anadromous. Includes the salmon. |
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Term
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Definition
| Elongated shark-like body, long blade-like rostrum with 23-32 large teeth. Includes: Sawfishes |
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Term
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Definition
| Both eyes on one side of the head, Body highly compressed, protruding eyes. Flatfish |
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Term
| Order Gasterosteiformes and Order Syngnathiformes |
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Definition
| Tubular mouths, pelvic fins on the abdomen, bony rings or ganoid scales. Sticklebacks, tube snouts, seahorses, pipe fish. |
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Term
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Definition
| (Anacanthini) Cod, ray-finned fish |
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Term
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Definition
| Heterocercal tail, largely cartilaginous skeleton, reproduce in fresh water. Bony plates or ganoid scales. Sturgeon (caviar) and paddlefish. |
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Term
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Definition
| Presence of two separate dorsal fins, small triangle mouth, absence of a lateral line. Muscular stomachs |
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Term
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Definition
| Silver Sides, compressed bodies, cycloid scales, used as commercial fishing bate. |
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Term
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Definition
| Dorsal and anal fins are continuous up the body, lack of scales, lack gill rackers, toxic blood, pharyngeal jaws |
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Term
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Definition
| 2 dorsal fins w/o spines, 5 gill slits, eyes with a nictitatiing fold. Ground Sharks |
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Term
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Definition
| Cloaca placed near jugular, both dorsal and anal fins are supported by a single ray. |
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Term
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Definition
| Toothless mouth, pharyngeal teeth present, most diverse clade of freshwater fishes. Carps, minnows, suckers, and loaches. |
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Term
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Definition
| Pikes and Mud Minnows. Lie-in-wait predators |
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Term
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Definition
| Lingual teeth, premaxilla small and fused to skull, no supermaxilla, primitive teleost. Elephant fish has the same brain to body ratio as humans do. Species flocking |
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Term
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Definition
| 4 barbels on head, some can breath air, some lack scales,spines in front of dorsal and pectoral fins. Catfish |
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Term
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Definition
| Perch-like spiney fins, large range in size, tasty. Bluefish and Tuna. Ramventialtion Breathing |
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Term
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Definition
| No scales, very small, poorly developed gills, lack a swim bladder, loss of pectoral, pelvic, dorsal, anal, and in some cases, caudal fins. Swamp Eel, Rice Eel, Spiny Eel. |
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Term
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Definition
| Breathe air through a single dorsal lung, live out of water for several days, faculative lung users, sarcopterigii, 4 long limb-like fins. Australian Lungfish |
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