Description:
This genera has a posterier nostril located near anterior
nostril. Barbels are ribbon shaped, with a mandibular
and a mental pair on lower jaw. 6 pelvic fin rays.
There are two species in this genus. L.
hexanema and
L. longibarbus. Dorsal spines (total): 1;
Dorsal soft rays (total): 6; Anal spines: 0; Anal
soft rays: 41 - 47; Vertebrae: 44 - 46. Compared to
L.hexanema, this species differs in having
a longer anal fin base (38.6-41.5% SL versus 34.8-37.9)
with more anal fin rays (41-47 versus 39-42), a smaller
eye (eye diameter 20.1-23.6% HL versus 28.6-38.5)
and a larger interorbital distance (47.0-55.6% HL
versus 37.9-47.3). Habitat: Inhabit
large rivers with turbid and slow or standing waters.
Diet: Feed on fishes and zooplankton.
Reproduction: Oviparous, eggs are
unguarded. Remarks:
This species was redescribed by Ng. H.H. in 1999 (Formerly
in the Schilbeidae family).
Common
Name:
None
Synonyms:
Pangasius longibarbis
Family:
Ailiidae
Distribution:
Asia:
Mekong, Mehklong, and Chao Phraya River basins. Type
locality: Me Kong at Chieng Sen, North Siam.
Size:
14.0cm. (5½ins)
Temp:
22-26°C (71-79°F)
p.H.
6.0-7.0.
Reference:
Froese,
R. and D. Pauly.
Editors. 2009.FishBase. World Wide Web electronic
publication. www.fishbase.org, version (11/2009). Ng, H.H., 1999. Laides longibarbis,
a valid species of schilbeid catfish from Indochina
(Teleostei: Siluriformes). Ichthyol. Explor. Freshwat.
10(4):381-385.
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