Sebastes rubrivinctus (Jordan & Gilbert, 1880)

Body Shape

Sebastes rubrivinctus has a relatively slender, rhombus-shaped body, with body depth making up roughly one third of its standard length, and a thin, pointed head.

Dorsal Fin Structure

Its dorsal fin has 13 spines and 12 to 15 soft rays.

Anal Fin Structure

Its anal fin has 3 spines and 6 to 8 soft rays; the second anal spine is more robust and elongated than the third.

Caudal Fin Structure

The caudal fin is truncate.

Base Coloration

The fish's overall base color is white, with 4 vermilion bands across its body and 2 vermilion bands on its head.

Color Band Placement

The band positioned at the front of the dorsal fin extends onto the operculum.

Color Change With Age

As the fish ages, these bands fade, and the white base color becomes less bright.

Size and Weight

This species reaches a maximum total length of 51 cm (20 in), and has a maximum published weight of 1.5 kg (3.3 lb).

Geographic Range

Sebastes rubrivinctus occurs in the eastern Pacific Ocean, ranging from Cedros Island in Baja California north to Alaska, where it can be found as far west as Amchitka Island.

Habitat and Depth

This species, commonly called the flag rockfish, is a demersal fish that inhabits rocky reefs at depths down to 302 m (991 ft).