Sebastolobus macrochir (Günther, 1877)
Broadbanded thornyhead
photo by Orlov, A.

Family:  Sebastidae (Rockfishes, rockcods and thornyheads), subfamily: Sebastolobinae
Max. size:  44 cm SL (male/unsexed); max.weight: 1,150.0 g
Environment:  bathydemersal; marine; depth range 257 - 1537 m
Distribution:  North Pacific: Sagami Bay, Japan to the southern Kuril Islands and off Sakhalin, Russia.
Diagnosis:  Dorsal spines (total): 15-16; Dorsal soft rays (total): 8-10; Anal spines: 3-3; Anal soft rays: 5-5; Vertebrae: 27-30. Pectoral fin with notch, rays of lower lobe thick; head spine strongly and sharply produced; maxillary extending to middle of eye (Ref. 559). Body yellowish-red, a large black blotch on dorsal fin (Ref. 559).
Biology:  Occurs in places with the steepest downthrow and sharp bends of sea bottom often in the places of the slope surrounded by large depths (the steep bottom relief causes vertical turbulent currents that provide the accumulation of food items) (Ref. 26289). Oviparous (Ref. 205). Eggs are extruded in floating gelatinous masses (Ref. 52092).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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