(Red rockfishes with strong head spines)

Semaphore rockfish
(Sebastes melanosema)

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Body color:
Red w/ lighter blotches on back; lateral line in clear red zone; dorsal- & anal-fin membranes red w/ black spots; spinous dorsal membranes w/ black edge; caudal-fin membranes red; pectoral-fin membrane w/ black midsection, otherwise red.
Maximum length: 8 in (20 cm) Peritoneum color: dark
Maximum depth: 100 fm (183 m) Shape between eyes: concave
Common depth: 75-100 fm (137-183 m) Counts: D:XIII,11-12, Ar:6, P1:17-18, GR:34-37,
LLp:34-43, LLs:?-?, V:26

Similar species:

Splitnose RF and Aurora RF - lachrymal spines pointed posteriorly; margins of spinous dorsal-fin membranes reddish (black in Semaphore RF).

Distribution: Oregon - Baja California

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