Obscure jawfish (Opistognathus adelus) fish species and information / pictures of Obscure jawfish - Opistognathus adelus

Obscure jawfish (Opistognathus adelus) fish species information

Scientific Name
Opistognathus adelus

Common Name
Obscure jawfish

Biology
Dorsal spines (total): 6; Dorsal soft rays (total): 13-14; Anal spines: 3; Anal soft rays: 13 - 14; Vertebrae: 27 - 28. This species is distinguished by the following set of characters: upper jaw is broadly rounded with a large oval-shaped supramaxilla, and maxilla with a flexible lamina posteriorly; D XI,13-14; dark blotch on posterior angle of jaws, including inner lining of maxilla and adjacent membranes; no ocellus or large dark blotches on dorsal fin; no vomerine teeth (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: South Africa and northwest Madagascar.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
65 m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range 5 - 65 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
4.9 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