Spotfin jawfish (Opistognathus robinsi) fish species and information / pictures of Spotfin jawfish - Opistognathus robinsi

Spotfin jawfish (Opistognathus robinsi) fish species information

Scientific Name
Opistognathus robinsi

Common Name
Spotfin jawfish

Biology
Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 15-18; Anal spines: 2 - 3; Anal soft rays: 16 - 18; Vertebrae: 29 - 31. Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by broad white ring; adult males with inner lining of maxilla and adjacent membranes with prominent black stripe (stripe usually absent or light brown and poorly developed in females; buccal pigmentation consisting of a large dark area widely surrounding esophageal opening, including medial area between upper pharyngeal tooth patches; caudal vertebrae typically 20 (Ref. 26893).

Classification

Classified By
Smith-Vaniz, 1997
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Jawfishes (Opistognathidae)

Distribution

Region
Western Central Atlantic
Distribution
Western Central Atlantic: USA and the Bahamas.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
46 m
Zone
demersal
Environment
Marine; demersal; depth range ? - 46 m (Ref. 26893), usually ? - 20 m (Ref. 26893)
Trophic Level
3.56 s.e. 0.55 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
13.1 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