Cargados jawfish (Opistognathus simus) fish species and information / pictures of Cargados jawfish - Opistognathus simus

Cargados jawfish (Opistognathus simus) fish species information

Scientific Name
Opistognathus simus

Common Name
Cargados jawfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 15; Anal spines: 3; Anal soft rays: 15 - 16; Vertebrae: 29. This species is distinguished by the following set of characters: rigid maxilla without flexible lamina posteriorly; D XI,15; body with about 53-62 oblique scale rows in longitudinal series; no scales anterolaterally forward of verticals from 5th or 6th segmented dorsal-fin rays; no pale basicaudal spots on caudal 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: known only from Cargados Carajos [= St. Brandon Shoals].
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
Unknown m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range 1 - ? 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
5.5 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