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Akysis varius in Lao People's Dem. Rep.

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Akysis varius   Ng & Kottelat, 1998
Family:	Akysidae (Stream catfishes) , subfamily: Akysinae			picture (Akvar_u0.jpg) by Baird, I.G.
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	4.0 cm SL (male/unsexed; Ref. 30857)
Environment:	benthopelagic
Climate:	tropical
Global Importance:
Resilience:
Distribution:	Asia: Mekong basin.
Diagnosis:	Dorsal soft rays (total): 5-6; Anal soft rays: 8-10; Vertebrae: 31-33. Distinguished from all its congeners by the following unique combination of characters: truncate caudal fin; length of caudal peduncle 16.1-19.8% SL; depth of caudal peduncle 6.5-9.3% SL; length of adipose-fin base 25.6-29.5% SL; interorbital distance 42-46% HL; eye diameter 13-20% HL; length of nasal barbel 44-66% HL; straight lateral margins of the head when viewed dorsally; and 0-5 serrae on the posterior edge of the pectoral spine (Ref. 30226).
Biology:	Hides in decomposing vegetation in stream beds, where it apparently feeds on zooplankton and rotifers (Ref. 30226)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Ng, H.H. and M. Kottelat. 1998. (Ref. 30226)
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Lao People's Dem. Rep. country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  Ng, H.H. and M. Kottelat, 1998
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Occurs in the Xe Bangfai basin of the Mekong in western Laos. Type locality, Khammouan province (Ref. 30226). Also Ref. 30857.
Country Information:	www.cia.gov/cia/publications/factbook/geos/la.html
Occurrences:	Occurrences    Point map
Main Ref:	Kottelat, M., 2001
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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 | 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
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	Checked:  Torres, Armi G.	Modified:  Torres, Armi G.	Entered:  Sampang, Arlene G.

	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