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Amphistichus rhodoterus (Agassiz, 1854) Redtail surfperch |
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photo by
DeCloux, R. |
| Family: | Embiotocidae (Surfperches) | |||
| Max. size: | 41 cm TL (male/unsexed); max. reported age: 9 years | |||
| Environment: | demersal; brackish; marine; depth range 0 - 7 m | |||
| Distribution: | Eastern Pacific: Vancouver Island, British Columbia, Canada to Avila Beach, central California, USA. | |||
| Diagnosis: | Dorsal spines (total): 9-10; Dorsal soft rays (total): 25-28; Anal spines: 3-3; Anal soft rays: 28-31. Caudal fin broadly forked (Ref. 6885). Generally silvery overlaid lightly with a brassy cast; light green above; sides with a series of about 9 to 11 narrow vertical dark bars, posteriorly, broken and staggered along the lateral line; caudal and anal fins red (Ref. 6885). | |||
| Biology: | Adults are found in sand beaches in surf on exposed coast, sometimes in bays and backwaters (Ref. 2850). Viviparous, female carries the developing young (Ref. 205). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||