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Acrochordonichthys rugosus in Malaysia

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Acrochordonichthys rugosus   (Bleeker, 1847)
Family:	Akysidae (Stream catfishes) , subfamily: Parakysinae			picture (Acrug_u0.gif) by FAO
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	11.0 cm SL (male/unsexed; Ref. 7050)
Environment:	demersal; pH range: 7
Climate:	tropical
Global Importance:
Resilience:
Distribution:	Asia: Thailand, Malaysia and Indonesia.
Diagnosis:	Dorsal spines (total): 1-1; Dorsal soft rays (total): 4-5; Anal soft rays: 8-10; Vertebrae: 35-37. Generally dark brown with many irregular light brown patches. Long nasal barbels 6.5-15.6%HL. Lateral margins of head, steeply sloping; convex snout when viewed dorsally. Adipose fin with angular posterior margin. Pectoral spine with serrations on the posterior edge (Ref. 37794).
Biology:	Inhabits clear, swiftly flowing forested streams with pH of 7 and sandy or rocky bottoms. Hides under submerged logs or rocks with some leaf litter in the swifter parts of the stream. A predatory fish, ambushing balitorid loaches of Nemacheilus and sisorid catfish of the genus Glyptothorax (Ref. 37794)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Ng, H.H. and P.K.L. Ng. 2001. (Ref. 37794)
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Malaysia country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  Ng, H.H. and P.K.L. Ng, 2001
Salinity:	freshwater
Uses:	no uses
Comments:	Known from the Rajang River drainages in Borneo and the Bernam, Terengganu (Ref. 37794). Recorded from the Danum Valley (Ref. 34011). Also Ref. 7050, 57780.
Country Information:	www.cia.gov/cia/publications/factbook/geos/my.html
Occurrences:	Occurrences    Point map
Main Ref:	Martin-Smith, K.M. and H.H. Tan, 1998
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Scirus | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Torres, Armi G.	Entered:  Casal, Christine Marie V.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07