Hyporthodus acanthistius (Gilbert, 1892)
Rooster hind
Hyporthodus acanthistius
photo by Love, M.

Family:  Epinephelidae (Groupers)
Max. size:  100 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 46 - 90 m
Distribution:  Eastern Pacific: southern California in the USA, south to Peru.
Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 16-18; Anal spines: 3-3; Anal soft rays: 8-8. Distinguished by the following characteristics: dark red or brown head and body; darker pectoral fins than body; tips of interspinous dorsal fin membranes darker than the rest of the membranes; prominent black moustache streak occurs above maxilla; depth of body contained 2.4-2.6 times in SL; head length 2.3-2.4 times in SL; convex interorbital area; rounded preopercle, finely serrate, enlarged serrae at angle but covered by skin; distinctly convex upper edge of operculum (Ref. 89707).
Biology:  Common in the Gulf of California. Occasionally encountered in isolated reefs and sandy bottoms near the coast at depths of 46 to 90 m; uncommon in shallow waters (Ref. 89707).
IUCN Red List Status: Vulnerable (VU); Date assessed: 18 November 2016 (A2bd) Ref. (130435)
Threat to humans:  harmless


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