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Family Salmonidae - Salmonids
Salmonidae
Order: Salmoniformes
Class: Actinopterygii (ray-finned fishes)
No. of Genera: 11
No. of Species: 66
Environment: Fresh:  Yes     Brackish:  Yes     Marine:  Yes
Aquarium: none
First Fossil Record: upper  Cretaceous,                 Ref.:      Resetnikov, J.S..1988
Remark: Distribution: Northern Hemisphere, but widely introduced in cold waters for sports and aquaculture. Many are anadromous, spending part of their life at sea, but returning to freshwater where all species spawn in a gravel bed in rivers or streams; most fish die after spawning. Small cycloid scales. Gill membranes reaching far forward, detached from isthmus. Axillary process on pelvics. Last three vertebrae directed upward. No spines. Adipose fin present. Attains 1.5 m (maybe 2 m) maximum length. Highly valuable in sport and commercial fisheries. There is disagreement about the status of some species and genera.
Etymology: Latin, salmo, -onis = the same fish ( Ref. 45335).
Division: Peripheral/diadromous
Reproductive guild: nonguarders
Typical activity level: normal
Main Ref.: Nelson, J.S..1994
Coordinator:
Show species | Nominal species list for Salmonidae | Identification keys | CAS specimen photos | References

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Page created by: Eli, 04.10.04, last modified by: Eli, 22.11.04