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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); cornusaccus: Derived From the Latin cornu (end) and saccus (bag), in reference to the postoral puches at the corners posterior to the lower lip.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Asia: Sungari Kinarom in Sabah, Malaysia.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 4.9 cm SL mannelijk / geslacht onbekend; (Ref. 57871)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 8; Anale zachte stralen: 4; Wervels: 29 - 31. Can be distinguished from other species of the genus by possessing the following unique combination of characters: distinct secondary rostrum present; incomplete post-oral pouch present; pockets posterior to mouth corners; sublacrymal groove visible from side; body with plain uniform pattern when adult, with thick cream bars and blotches when juvenile, head dorsum plain; subopercular groove absent; gill slit vertical; sublacrymal groove present; a truncate snout when viewed dorsally; abdomen without scales; 55-61 scales on lateral line; pelvic fin just touching anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
Inhabits fast flowing rocky streams (Ref. 84801).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevoelig (NT) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 30 December 2018
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
