Javan flounder (Pseudorhombus javanicus) fish species and information / pictures of Javan flounder - Pseudorhombus javanicus

Javan flounder (Pseudorhombus javanicus) fish species information

Scientific Name
Pseudorhombus javanicus

Common Name
Javan flounder

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 67-76; Anal spines: 0; Anal soft rays: 51 - 56. Body brownish, a distinct, large dark blotch at junction of straight and curved parts of lateral line and a smaller blotch on middle of straight section of lateral line, many dark rings scattered on body. Upper profile of head without notch in front of eye. Scales on eyed side ctenoid on anterior part and dorsal and ventral margins of body on eyed side, cycloid on remaining areas. Pectoral fin on ocular side with 11-12 soft rays (Ref 9774).

Classification

Classified By

Bleeker, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Flatfishes (Pleuronectiformes)

Family

Large-tooth flounders (Paralichthyidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Persian Gulf and off India (from Bombay southward to Sri Lanka) eastward to western New Guinea and southern China (Ref. 9774).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

22 m

Depth To - meters

38 m

Zone

demersal

Environment

Marine; demersal; amphidromous (Ref. 51243); depth range 22 - 38 m (Ref. 11790)

Trophic Level

3.5 s.e. 0.37 Based on food items.

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

35.0 cm

Common Length

20.0 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

Fisheries: commercial

Vulnerability

Low vulnerability (20 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