Classification / Names
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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); auronigrus: The specific name is derived from the Latin aurum (gold) and nigra (black), in allusion to the distinctive gold and black life coloration.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
Asia: Sungai Kinarom draining into Marudu Bay in Sabah, Malaysia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL mâle / non sexé; (Ref. 57871)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 7; Rayons mous anaux: 4; Vertèbres: 30. Can be distinguished from its congeners by possessing the following unique combination of characters: body black, dorsum with 7 thin gold bars, side with gold bars complete or interrupted to form black blotches; head dorsum black with fine gold reticulate pattern when alive, when preserved the gold turns cream; absence of secondary rostrum; absence of a postoral pouch; gill slit vertical, subopercular groove absent; a rounded snout when viewed dorsally; presence of sublacrymal groove; abdomen without scales; lateral line with 64 scales; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
Recorded from fast flowing rocky streams (Ref. 84801).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Niveau trophique (Ref.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).