Stout jawfish (Opistognathus crassus) fish species and information / pictures of Stout jawfish - Opistognathus crassus

Stout jawfish (Opistognathus crassus) fish species information

Scientific Name
Opistognathus crassus

Common Name
Stout jawfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 10; Vertebrae: 26. This species is distinguished by the following set of characters: rigid maxilla with no flexible lamina posteriorly; D XI,11; A II,10; tips of dorsal-fin spines conspicuously pale; dorsum with row of 5 dark blotches, some of which extend distinctly onto dorsal fin; last blotch on dorsal fin much narrower than anterior blotches (Ref. 85161).

Classification

Classified By
Smith-Vaniz, 2010
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Jawfishes (Opistognathidae)

Distribution

Region
Western Indian Ocean
Distribution
Western Indian Ocean: Ari Atoll, Maldive Islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
35 m
Depth To - meters
Unknown m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range 35 - ? m (Ref. 85161)
Trophic Level
s.e. 0.00 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
3.6 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
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated