Gyrinocheilus aymonieri (Tirant, 1883)

Chinese algae-eater

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Cypriniformes \| Gyrinocheilidae
Synonyms	Psilorhynchus aymonieri, Gyrinocheilus kaznakovi, Gyrinocheilus monchadskii, ... more
Common names	... more

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Image of Gyrinocheilus aymonieri (Chinese algae-eater)

Picture by Nilsson, K.

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Main reference

Rainboth, W.J. 1996. (Ref. 12693)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 28.0 cm SL male/unsexed; (Ref. 27732)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 8.0; dH range: 5 - 19

Climate / Range

Tropical; 25°C - 28°C (Ref. 1672)

Asia: Mekong, Chao Phraya and Meklong basins; northern Malay Peninsula.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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).

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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial; aquarium: highly commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| Point map

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.7500

Resilience (Ref. 69278)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (24 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Froese, Rainer

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