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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
Issue
See Taphorn (1992: 209-210) for taxonomic remarks.
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical; 20°C - 28°C (Ref. 1672)
South America: São Francisco, Itapicuru, Paraná, and Paraguay River basins, Brazil; Guaporé and Amazon River basins; Orinoco River basin.
Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm 1.9  range ? - ? cm
Max length : 4.5 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 38376)
Maximum length reported to reach 8 cm TL (Ref. 1672).
Life cycle and mating behavior
Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ
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=0.01549 (0.00881 - 0.02723), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 2.8 ±0.28 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).