California Department of Fish and Wildlife
Aquatic Biological Assement

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Isonychiidae Level 1 Level 2

Isonychiidae

 

Key Characters


All abdominal gills similar in position and structure; Gill fibrils shorter than gill plates. Fore coxa possess gills, fore tibiae possess filtering hairs. Larvae minnow-like.
Tolerance 2
Distribution CA, NV, AZ