Sebastes aleutianus (Jordan & Evermann, 1898)
Rougheye rockfish
Sebastes aleutianus
photo by Archipelago Marine Research Ltd.

 Family:  Sebastidae (Rockfishes, rockcods and thornyheads), subfamily: Sebastinae
 Max. size:  97 cm TL (male/unsexed); max.weight: 900.0 g; max. reported age: 205 years
 Environment:  bathydemersal; depth range 25 - 900 m
 Distribution:  North Pacific: Japan to Navarin Canyon in the Bering Sea (but not in the Sea of Okhotsk), throughout the Aleutian Islands, and south to San Diego, California, USA.
 Diagnosis:  Dorsal spines (total): 12-14; Dorsal soft rays (total): 14-14; Anal spines: 3-3; Anal soft rays: 6-8; Vertebrae: 27-27. This species is distinguished by the following characters: 8 head spines strong - nasal, preocular, supraocular, postocular, tympanic, coronal, parietal and nuchal spines; 2 or more infraorbital spines; differs from S. melanostictus by having a pale body with no distinct spots on the membranes of the spinous dorsal fin; shorter dorsal-fin spine 1, 1.5?3.0 times into orbit length, 4.3?7.2% SL (vs. 1.0?1.8 times into orbit length and 5.9?9.6% SL); shorter dorsal-fin spine 4, 9.8?15.5% SL (vs. 12.0?18.4% SL); shorter and fewer gill rakers, 3.4?6.3% SL (vs. 3.9?7.1% SL) and 29?34 (vs. 30?36), respectively (Ref. 87139).
 Biology:  Usually found offshore (Ref. 27437). Viviparous (Ref. 34817).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Froese, Rainer - 01.05.91
 Modified by: Luna, Susan M. - 20.02.13
 Checked by: Garilao, Cristina V. - 03.09.96

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