Scientific Name
Scorpaenopsis brevifrons

Common Name
Bigmouth scorpionfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5; Vertebrae: 24. Pectoral rays usually 19; a blunt head profile, long jaw (21-27% SL); no hump behind head; longest dorsal spine 4-6; 5 spines on the suborbital ridge and 3 on the lachrymal bone overlying the maxillary (Ref. 10482). No black band across anal and pelvic fins; reaches 133 mm SL; snout length 3.2-3.9 in head; interorbital width 6.0-8.8 in head (Ref 42181).

Classification

Classified By

Eschmeyer & Randall, 1975

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Scorpionfishes or rockfishes (Scorpaenidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Midway and Hawaiian Islands.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

26 °C

Depth From - meters

1 m

Depth To - meters

38 m

Zone

reef-associated

Environment

Marine; reef-associated; non-migratory; depth range 1 - 38 m (Ref. 42181)

Trophic Level

4.2 s.e. 0.73 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

False

Physical Size and Genetics

Maximum Length

13.3 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: of no interest

Vulnerability

Moderate vulnerability (38 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