| Family: |
Embiotocidae (Surfperches) |
| Max. size: |
15 cm TL (male/unsexed); max. reported age: 5 years |
| Environment: |
demersal; freshwater; brackish |
| Distribution: |
North America: Clear Lake; Russian, Sacramento-San Joaquin, and Pajaro-Salinas River drainages in California, USA. Three subspecies were recognized: Hysterocarpus traskii lagunae in Clear Lake; Hysterocarpus traskii pomo in Russian River; and Hysterocarpus traskii traskii in rest of range. |
| Diagnosis: |
|
| Biology: |
Inhabits mud- to gravel-bottomed pools and runs of small to large, low-elevation rivers and lakes. Usually occurs near emergent aquatic plants or overhanging banks. Rarely enters brackish water (Ref. 86798). Viviparous, female carries the developing young (Ref. 205). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 17 February 2012 Ref. (130435)
|
| Threat to humans: |
harmless |
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