Teleostei (teleosts) >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); robertsi: Named for Tyson R. Roberts, who collected most of the types of this species (Ref. 39226).
Eponymy: Dr Tyson Royal Roberts (d: 1940) is an American naturalist and evolutionary biologist who has devoted most of his life to studying biodiversity, particularly that of fishes, throughout the tropics. [...] (Ref. 128868), visit book page.
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Malay Peninsula (Ref. 27732) and Phuket Island, Thailand (Ref. 39226).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.6 cm SL male/unsexed; (Ref. 39226)
Dorsal soft rays (total): 11; Anal soft rays: 8. Processus dentiformis present; 8-10 regular bars on body; males have no suborbital flap; incomplete lateral line reaching at most origin of pelvic fin; lower lip with a black mark on each side of median interruption; 8-9 + 8 branched caudal rays; emarginate caudal fin; black basal caudal bar present; no axillary pelvic lobe; anus 1.5-2.0 eye diameters in front of anal fin (Ref. 39226).
Occurs in streams with moderately flowing water, over pebbles, in depths between 10-30 cm. A female measuring 3.36 cm SL contains ovulae at various stages of development (Ref. 39226).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Special reports
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Internet sources
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=0.00646 (0.00345 - 0.01209), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
