Opsarius pulchellus (Smith, 1931)

Description


Dorsal soft rays (total): 10 - 11; Anal soft rays: 14 - 16. Has 21-25 predorsal scales; 7-10 long, black vertical bars on the sides, becoming more or less circular posteriorly (Ref. 27732). Sexual dimorphism in color, body shape, and fin shape obvious in specimens over about 7 cm SL (Ref. 43281).

Common Names


No common names available.

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Cypriniformes

Family: Danionidae

Genus: Opsarius

Species: Opsarius pulchellus (Smith, 1931)

Climate Zone


  • Tropical
  • Location


    Biology


    Adults occur over gravel substrate in clear, swift, small streams up to rapidly flowing stretches of large rivers. Feed on insect larvae, especially odonatans. Rarely seen in the markets (Ref. 12693).

    Habitat


    benthopelagic