Family: |
Pristigasteridae (Pristigasterids) |
Max. size: |
15 cm SL (male/unsexed) |
Environment: |
pelagic-neritic; freshwater; brackish; marine; depth range 0 - 50 m, amphidromous |
Distribution: |
Indo-Pacific: Indian Ocean (eastern coasts of India north to Calcutta), Indonesia (Jakarta, Java; also Kalimantan at Kotabaru, Takisung on southeastern coast and at Aluhaluh on Barito River). Records from the Arabian Sea and Thailand (Ref. 1632) need confirmation. |
Diagnosis: |
Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 38-46. Body moderately slender, belly with usually 19 to 21 - 8, total 27 to 29 scutes. Eye large, lower jaw projecting. Dorsal fin origin at about midpoint of body; anal fin origin under hind part of dorsal fin base. Vertical striae on scales not continuous, but with a distinct gap across center of scale. Swim bladder with two tubes passing back in the muscles on either side of haemal spines. |
Biology: |
Occurs in coastal waters, but also enters rivers and tolerates water of low salinity. Feeds on planktonic crustaceans and fishes; also amphipods. |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 28 February 2017 Ref. (130435)
|
Threat to humans: |
harmless |
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