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31 Cards in this Set
- Front
- Back
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How many fish species are there? |
25000 |
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How do fish rank a mung verts |
More species than al terrestrial vertebrates combined |
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What environments do fish inhabit? |
Most bodies of fresh water and all oceans |
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Streamlined body |
For moving through h2o |
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Mucous glands |
ectoparasites Protect from ectoparasites Exchanges of body water Exchanges of body water Reduce friction |
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Weaker skeleton than verts |
Support of h2o |
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Muscle fibers |
Slow phasic(white) Fast phasic( red) |
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Buoyancy |
Ability to float in a fluid |
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Allows fish to stay at any certain level in the water |
Swim bladder |
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Modern fish |
Bluegill, bass, salmon, trout, pike |
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Primary use of nose in fish |
Smell and chemical sences |
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Ears |
No opening, passes through tissue |
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What do lateral lines sence |
What they are approaching or what is approaching them |
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Ampullary organ |
Modified receptors |
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Thermal stability |
Fish are not subjected to temp fluctuations |
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Ways fish ingest food |
Using jaw to seize food Suddenly opening their jaw |
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More common method of eating |
Suddenly opening their jaw |
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Where are teeth located in fish |
Gill arches, mouth, throat, jaws |
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3 classes |
Agnatha Osteichtheyes(boney fish) Chondrichthyes |
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Subclass |
Actinopterygii(ray finned ) Sarcopterygii(lobe finned |
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Salmon, trout |
Salmonidae |
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Pike, muskellunge |
Esocidae |
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Minnow, carp, goldfish |
Cyprinidae |
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Catfish |
Ictaluridae |
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Perch, walley |
Percidae |
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Bass, bluegill, crappie |
Centrarchidae |
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Liver |
For boyancy |
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What keeps primitive fish at any certain level |
Fins, head shape, oily liver |
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What type of tail do sharks have |
Heterocercal |
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Blood filters |
Kidney and spleen |
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Oviduct |
Egg to closca |
