Minggu, 24 Oktober 2010

Pangasiidae Series #12

MACAM DAN JENIS SPECIES IKAN PATIN

PANGASIUS LARNAUDII /Bocourt, 1866


Pangasius Larnaudii










Classification
Actinopterygii | Siluriformes | Pangasiidae

Main reference

Size / Weight / Age
Max length : 130 cm SL male/unsexed; (Ref. 30857); max. published weight: 4,620 g (Ref. 72380)

Environment
Benthopelagic; potamodromous (Ref. 51243); freshwater

Climate / Range
Tropical; 20°N - 10°N

Distribution
Asia: Mekong and Chao Phraya basins.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description:
Anal soft rays: 28 - 32. A large black spot above the base of the pectoral fin and a black longitudinal stripe along each caudal lobe (Ref. 27732). Dorsal and pectoral fins with a strong spine and a long, filamentous rays (Ref. 4792). With 13-17 gill rakers in first arch (Ref. 12693).

Biology :
Occurs in medium to large-sized rivers (Ref. 12975). Inhabits deep pools in the river (Ref. 37770). Found in rapids and riffle (Ref. 37771). Enters flooded forest (Ref. 9497). Artificially reared fry of 3.5 mm at 12 hrs., 8.4 mm at 4 days, 8.8 mm at 8 days and 23 mm at 18 days. Larval teeth present in 12 hr and 4 day larvae. Feeds on shrimps, small fishes, gastropods and plants (Ref. 6459). Migrates into floodplains and spawns at the beginning of the flood season (Ref. 12693).


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