Pangasius nasutus
| Pangasius nasutus | ||||||||||||
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Pangasius nasutus |
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| Scientific name | ||||||||||||
| Pangasius nasutus | ||||||||||||
| Bleeker , 1863 |
Pangasius nasutus is a species of fish from the genus Pangasius within the shark catfish family. It occurs on Sumatra , Borneo and the Malay Peninsula in large and medium-sized rivers and in freshwater lakes.
features
Pangasius nasutus has an elongated, laterally somewhat flattened body and reaches a length of about 90 cm. The snout protrudes clearly above the lower mouth and is conspicuously pointed in young animals, but becomes increasingly rounded in older animals. The teeth of the upper jaw are clearly visible even when the mouth is closed. The eye is smaller than that of other species. The hard rays of the dorsal fin and pectoral fins are long and powerful. The body has no noticeable markings and is significantly darker on the back than on the stomach. The fins are reddish. The dorsal fin has two hard and seven soft rays, the anal fin has 26 to 30 soft rays. The gill trap has 17 to 21 rays on the first arch.
Way of life
The species feeds on other fish, crustaceans , molluscs, and insects .
swell
- Tyson R. Roberts, Chavalit Vidthayanon: Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species . In: Proc. Acad. Nat. Sci. Philad. tape 143 , 1991, pp. 97-144 (English).
- Max Weber, LF Beaufort: The Fishes of the Indo-Australian archipelago . EJ Brill, Leiden 1965.
Web link
- Pangasius nasutus on Fishbase.org (English)
- Pangasius nasutus inthe IUCN Red List of Threatened Species 2013.1. Listed by: Vidthayanon, C., 2011. Retrieved November 17, 2013.