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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are 3 classes of fish?
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Agnatha, Chondricthyes, Osteichthyes
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Jawless, Cartilage, bony
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What are the most important evolution adaptations?
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Development of jaws and faired fins
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mouth
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What type of digestive system do fish have?
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Monogastric or simple stomach
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Describe the respitory system of a fish, what 3 functions do gills serve?
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Exchange gases, remove nitrogen waste and...?
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Describe the circulatory system.
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2 chambered heart
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What are chromatophores?
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Contain pigments to color their scales
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What are 3 types of scales?
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Ganoid, Ctenoid, and Cycloid
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What are the key characteristics of the Agnatha group?
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Jawless fish
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What are 2 types of fish in the Agnatha group?
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Lamprey and Hagfish
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What is the difference between the lamprey and the Hagfish?
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Lamprey's are parasites and hagfish are bottom dwellers
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What type of scales do Chondricthyes have?
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Ctenoid
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What are 3 types of fish that live on the Osteichthyes class?
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Lobe - finned, lung-finned, and ray-finned
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Describe the difference between
A) Lobe finned B)lungfish C)ray finned |
a) fleshy based fins
b) burrow in mud c) most common kind of fish |
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Where would you find the dorsal fin and what is its purpose?
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On top of the fish, used for defense
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What does diadromous mean?
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A fish that migrates between freshwater and marine habitats
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What does aggregation mean?
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Fish that migrate from freshwater to saltwater
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What is shoaling?
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A group of fish that stay together for social reasons
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Why do fish shoal?
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For defense
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What is schooling?
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Swimming in a large group in the same direction
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What are the differences between shoaling and schooling?
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Shoaling has many different fish, schooling is all the same
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What is ichthyology?
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A branch that studies fish life cycles
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What is an Aqua Culturist?
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Someone who raises fish
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Describe freshwater habitats.
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Springs, streams, rivers, etc....
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Describe saltwater habitats.
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Oceans
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