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Dusky jawfish (Opistognathus whitehursti) fish species and information / pictures of Dusky jawfish - Opistognathus whitehursti

Dusky jawfish (Opistognathus whitehursti) fish species information

Scientific Name
Opistognathus whitehursti

Common Name
Dusky jawfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 14-15; Anal spines: 3; Anal soft rays: 13 - 14. The dark spot (deep greenish blue in life) of the dorsal fin usually found between the 2nd and 4th or 5th dorsal spines; body densely mottled with dark brown and flecked with blackish; caudal fin and posterior part of dorsal fin are yellow with rows of small blackish spots (Ref. 13442).

Classification

Classified By

Longley, 1927

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Jawfishes (Opistognathidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: southern Florida, USA and Bahamas to northern South America.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

12 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 12 m (Ref. 9710)

Trophic Level

3.74 s.e. 0.62 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

14.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated