Black And White Prickleback

Caudal rounded; lower 6 rays of pectorals elongated (Ref. 6885). Dusky olive brown dorsally, paler below; about 25 vertical light bars, narrower than intervening spaces, about 3 vague dark blotches spaced along side imposed on other pattern; dorsal fin with oblique dark bars, some intensified to make black blotches, especially toward posterior end; caudal, anal and pectoral fins with dark bars parallel to edge leaving a pale margin; sometimes a dark spot on inner dorsal margin of caudal fin; pelvic fins without markings (Ref. 6885).

Dorsal spines (total): 55 - 57; Dorsal soft rays (total): 0; Analspines: 2; Analsoft rays: 34 - 35

Inhabits gravel and sand bottom (Ref. 51666).