Scientific Name
Chirolophis nugator

Common Name
Mosshead warbonnet

Biology
Dorsal spines (total): 53 - 55; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 37 - 42. Caudal rounded (Ref. 6885). Color variable- males brownish, sometimes with a red tinge; pale spots rimmed with darker on sides of body; spots fainter, smaller, and more numerous dorsally on sides; light on lower part of head with several brown streaks; white on pelvic fins and anterior part of anal fin; other fins with brown pigment spots in bands forming faint bars. Females nearly plain brown on body; in line spread along middle of dorsal fin about 13 dark spots each surrounded by a clear area to form prominent ocelli (Ref. 6885).

Classification

Classified By

Jordan & Williams, 1895

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Pricklebacks (Stichaeidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Aleutian Islands, Alaska to San Miguel Island, southern California, USA.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

80 m

Zone

demersal

Environment

Marine; demersal; depth range 20 - 80 m (Ref. 51666)

Trophic Level

3.6 s.e. 0.50 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

15.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low to moderate vulnerability (31 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated