Malaysia country information

Common names: [No common name]
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the westward draining coastal rivers of the Crocker Range in West Sabah - the Kimanis and Petagas River basins (Ref. 57871).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/my.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Tan, H.H., 2006
National Database:

Common names from other countries

Läänesabahi imihink, ... more

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); extrorsus: From the Latin adjective extrorsus, meaning in an outward direction, referring to the occurrence of this species only in the coastal river basins draining from the west side of the Crocker Range in Sabah..

Environment: milieu / climate zone / depth range / distribution range Ecologia

; Água doce demersal; pH range: 7.9 - ?. Tropical

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Asia: Kimanis and Petagas River basins in Sabah, Malaysia.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 7.7 cm SL macho/indeterminado; (Ref. 57871)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Raios dorsais moles (total) : 7; Raios anais moles: 4; Vértebras: 30 - 32. Can be distinguished from other species of the genus by possessing the following unique combination of characters: presence of distinct secondary rostrum; presence of complete post-oral pouch; body brown with up to 9 thin gold bars, head dorsum dark brown with thin gold reticulate pattern; subopercular groove absent; gill slit vertical; sublacrymal groove present; a truncate snout when viewed dorsally; abdomen without scales; lateral line scales 69-77; pelvic fin just touching anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).

Occurs in unshaded fast flowing rivers with boulder, rock and sand substratum (Ref. 57871).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Tan, H.H., 2006. The Borneo suckers. Revision of the torrent loaches of Borneo (Balitoridae): Gastromyzon, Neogastromyzon). Kota Kinabalu, Sabah, Malaysia : Natural History Publications (Borneo) in association with Raffles Museum of Biodiversity Research. vii, 245 p. : ill. (some col.), maps ; 26 cm. (Ref. 57871)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Quase ameaçada (NT) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 31 December 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00603 (0.00256 - 0.01420), b=3.11 (2.90 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 2.0 ±0.1 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Gastromyzon extrorsus Tan, 2006