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> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
More on author: Steindachner.

Issue
See Géry (1977: 506) for the synonym, Taphorn (1992: 227-228) for notes on the taxonomy and ecology.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch; pH range: 5.8 - 7.2; dH range: 10 - 18. Tropical; 23°C - 27°C (Ref. 2060)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: Amazon, Negro and Orinoco River basins.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 5.4 cm TL Männchen/unbestimmt; (Ref. 116983)

Maximum length reported to reach 5 cm TL (Ref. 2060).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Spawns during dawn.

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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 Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 04 March 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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Diet compositions
Food consumptions
Food rations
Räuber

Ecology
Ökologie

Population dynamics
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Length-weight rel.
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Abundances

Life cycle
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Anatomy
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Physiology
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Toxicities (LC50s)

Genetics
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Human related
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Stamps, coins, misc.

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00692 (0.00333 - 0.01437), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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