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Bagarius
rutilus Ng & Kottelat, 2000
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Image
contributors to this species: |
Zhou
Hang (1) |
ScotCat
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Other
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Relevant Information: |
Conspicuous by the yellow/pale orange
fins. Dorsal spines (total): 1; Dorsal soft rays (total): 6;
Anal soft rays: 12 - 13; Vertebrae: 42 - 43. Can be differentiated
from its congeners in the combination of following characters:
skin heavily keratinized, cranium and interneural covered with
numerous large, elongate tubercles, supraoccipital and interneural
without sharp ridges, skin above neural spines anterior and
posterior to adipose fin never forming distinct ridges, slender
elongate neural spines, elliptical eyes, body depth at anus
11.0-12.3 %SL, head width 20.3-21.7 %SL, snout length 51.4-54.7
%HL, eye diameter 4.1-8.1 %HL; 12-13 pectoral-fin rays; caudal
fin with 8-9 rays; 23-24 preanal vertebrae; adipose fin with
short base and angular dorsal margin; dark yellow on dorsal
and lateral surfaces of head and body, fading to light yellow
on ventral region; dorsal surfaces of head and body with three
darkly pigmented (brown) bands or blotches; a few small brown
spots irregularly distributed throughout lighter parts of body;
light yellow fins with a variable pattern of small brown spots
distributed irregularly, orange fins in life. Adipose origin
in front or above anal fin origin; longitudinal diameter of
eye 12-24 times in HL. |
Common
Name: |
None |
Synonyms: |
Bagarius bagarius (non
Hamilton, 1822), Bagarius yarrelli (non Sykes, 1839). |
Family: |
Sisoridaecipitidae |
Distribution: |
Asia: Nam Xam and
Nam Ma basins in Laos and Red River (song hong) basin in Viet
Nam and Yunnan, China. |
Size:
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100cm. (40ins) |
Temp: |
18-25°c (64-77°f.) |
p.H. |
6.5-7.5. |
Reference: |
Ng, H.H. and M. Kottelat,
2000. Descriptions of three new species of catfishes (Teleostei:
Akysidae and Sisoridae) from Laos and Vietnam. J. South Asian
Nat. Hist. 5(1):7-15. |
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