Gyrinocheilus aymonieri
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Cypriniformes (Carps and Minnows)
Gyrinocheilidae (Algae Eaters)
Gyrinocheilus
Gyrinocheilus aymonieri
Description
This species account was compiled from
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Characters
Body shape: elongated. Has 9 branched dorsal rays; 36-40 lateral line scales; no dark spots on pelvic and anal fins (Ref. 27732); a small dark spot always present behind spiracle; sometimes tiny tubercles on side of head and large tubercles confined to snout (Ref. 12693).
Distribution
Asia: Mekong, Chao Phraya and Meklong basins; northern Malay Peninsula.
Habitat Associations
Freshwater. demersal. Found in: streams, lakes.
Biology
Occur in medium to large-sized rivers and enters flooded fields (Ref. 12975). Found on solid surfaces in flowing waters. Mostly herbivorous, feed largely on algae, periphyton and phytoplankton, but also take insect larvae or zooplankton. In current, they hold onto fixed objects with their sucker-like mouth. For breathing, water is pumped into the gill cavity through a small spiracle and across the gills for gas exchange. Large fish are sold in the markets, smaller ones are used to make prahoc (Ref. 12693). Aquarium keeping: needs plant feed; adults territorial; in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
Max length: 28.0 cm SL.
Reproductive mode: dioecism; fertilization: external; nonguarders.
IUCN Red List Status: Least Concern (LC), assessed 2011-10-20.
Commercial or Environmental Importance
Fisheries: commercial; aquarium: highly commercial.
References
Baensch, H.A. and R. Riehl (1995) Aquarien Atlas. Band 4. Mergus Verlag GmbH, Verlag für Natur-und Heimtierkunde, Melle, Germany. 864 p.
Rainboth, W.J. (1996) Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p.
Taki, Y. (1978) An analytical study of the fish fauna of the Mekong basin as a biological production system in nature. Research Institute of Evolutionary Biology Special Publications no. 1,77 p. Tokyo, Japan.
Kottelat, M. (1998) Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128.
Lim, P., S. Lek, S.T. Touch, S.-O. Mao and B. Chhouk (1999) Diversity and spatial distribution of freshwater fish in Great Lake and Tonle Sap River (Cambodia, Southeast Asia). Aquat. Living Resour. 12(6):379-386.
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