Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ; pH range: 6.5 - 7.5; dH range: ? - 25. Tropical; 23°C - 26°C (Ref. 2060)
South America: coastal streams of the Guiana Shield, Orinoco and Amazon River basins.
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.4 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 111518); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 20.10 g (Ref. 111518)
Occurs in rapidly flowing water with a rocky bottom. Like other taxa of the same genus, it is omnivorous and feeds on small fish. Is known to be quarrelsome (Ref. 12225).
Life cycle and mating behavior
Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ
Spawns in schools during rainy season.
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
ການປະມົງ: ເປັນສີນຄ້າ; ຕູ້ປາ: ເປັນສີນຄ້າ
ເຄື່ອງມື
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ແຫຼ່ງອີນເຕີເນັດ
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=0.00676 (0.00485 - 0.00942), b=3.17 (3.08 - 3.26), in cm total length, based on LWR estimates for this species (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 4.2 ±0.73 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).