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> Cypriniformes (Carps) > Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); viriosus: The specific name is from the Latin viriosus, meanng robust and strong, in allusion to the thick-set body.

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

; sötvatten bottenlevande. Tropical

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Asia: Tatau River basin in Sarawak, Malaysia.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.4 cm SL hane/ej könsbestämd; (Ref. 57871)

Short description Bestämningsnycklar | Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt) : 9; Mjukstrålar i analfenan: 6; Ryggkotor: 30 - 32. Can be distinguished from its congeners by possessing the following unique combination of characters: body dark brown with 8-10 cream bars, side with bars complete; head dorsum dark brown with thin cream reticulate pattern; absence of secondary rostrum; absence of a postoral pouch; gill slit angular, subopercular groove present and continuous to pectoral fin origin; a rounded snout when viewed dorsally; presence of sublacrymal groove; abdomen without scales; lateral line with 63-67 scales; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).

Inhabits fast flowing rocky streams (Ref. 84801).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Near Threatened (NT) (B1ab(iii)); Date assessed: 11 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Trophic ecology
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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=0.00617 (0.00268 - 0.01421), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 2.3 ±0.1 se; based on size and trophs of closest relatives

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

Gastromyzon viriosus Tan, 2006