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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); psiloetron: Derived from the Greek psilos (naked or bare) and etron (belly), in reference to the scaleless belly with scaled pelvic fin area..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal). Tropical
Asia: Kayan and Mahakam River basins in Kalimantan Timur, and Kapuas River basin in Kalimantan Barat, Indonesia.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL jantan/; (Ref. 57871)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 8 - 9; Sirip dubur lunak: 5; vertebrata, bertulang belakang: 31 - 33. Can be distinguished from other species of the genus by possessing the following unique combination of characters: large specimens: a plain brown, grey or black body when preserved, dark brown or black in life, head dorsum plain brown; sub-adult or juveniles: black or dark brown body with up to 9 cream bars, side with complete or interrupted bars forming blotches, head dark brown with thin cream reticulate pattern; absence of secondary rostrum; absence of a post-oral pouch; absence of subopercular groove; gill slit lunate; presence of sublacrymal groove; a rounded snout when viewed dorsally; abdomen partially covered with fine scales only between the pelvic fin base; lateral line scales 59-60; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
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 IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber 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=0.00603 (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).
Trophic level (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
