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Icthyology Exam 1
Some terms
Term | Definition |
---|---|
Stenohaline | When a fish is limited to either a fresh water or salt water environment. |
Euryhaline | A fish than can adapt to a range of salinities. |
Diadromous | Fish that spends some of life in freshwater and some in saltwater. |
Anadromy | A form of diadromy where adults spawn in freshwater, juveniles move to saltwater, then return to freshwater to spawn. |
Catadromy | A form of diadromy where adults spawn at sea, juveniles migrate to freshwater, then return to the sea to spawn. |
Amphidromy | A form of diadromy where spawning occurs in either fresh or saltwater, larvae migrate to the other habitat, then return to original habitat to spawn. |
Elasmobranchs | Includes sharks, skates, and rays. |