Two-spined yellow-tail stargazer (Uranoscopus cognatus) fish species and information / pictures of Two-spined yellow-tail stargazer - Uranoscopus cognatus

Two-spined yellow-tail stargazer (Uranoscopus cognatus) fish species information

Scientific Name
Uranoscopus cognatus

Common Name
Two-spined yellow-tail stargazer

Biology
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 13-14; Anal soft rays: 12 - 15. A short black cirrus on eye. Respiratory valve inside lower jaw with a thread-like, pale appendage. Body without distinctive colour marks. Upper edge of opercle descending backward. Both nasal valves long and tubular. First dorsal fin with 4 (rarely 3) spines. Two basipterygial processes (Ref 42788)..

Classification

Classified By

Cantor, 1849

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Stargazers (Uranoscopidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: Indonesia and northwestern Australia (Ref. 5978). Also known from Papua New Guinea (Ref. 6192).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.93 s.e. 0.65 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

16.5 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 (23 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

  Harmless

IUCN Red List Status

  Not Evaluated