Scientific Name
Sebastes nigrocinctus

Common Name
Tiger rockfish

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 13-15; Anal spines: 3; Anal soft rays: 6 - 7. Head spines strong - nasal, preocular, supraocular, postocular, tympanic, coronal, parietal and nuchal spines present (Ref. 27437). Strongly concave between eyes; parietal ridges very thick and coarse (Ref. 27437). Caudal fin rounded (Ref. 6885). Light pink to red with 5 or 6 black or dark red bars on body; 2 dark bars radiating from each eye (Ref. 27437).

Classification

Classified By

Ayres, 1859

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Rockfishes, rockcods and thornyheads (Sebastidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Cape Resurrection, Kenai Peninsula, Alaska to Point Buchon, central California, USA.

Range

- 35°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

275 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 10 - 275 m (Ref. 27436)

Trophic Level

3.52 s.e. 0.59 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

61.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums

Vulnerability

High to very high vulnerability (71 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (tmax=116)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated