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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335).
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water demersaal; pH range: 4.0 - 5.5. Tropical; 27°C - 28°C (Ref. 132985)
South America: Brazil, Central and lower Amazon basin (Ref. 132965).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 2.9 cm SL mannelijk / geslacht onbekend; (Ref. 132985); 3.9 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 2; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 4; Anale zachte stralen: 17 - 21. This species is distinguish the species from its congeners and Hemigrammus species by the following characters (see the original description where the long diagnosis looks more as an identification key): humeral blotch very conspicuous, well-defined, and elongated with a shorter and posterior backward extension; longer anal fin, with a higher number of branched anal-fin rays (17?21 vs. 11?14); caudal peduncle blotch large, symmetric, extending into the basis of the middle caudal fin rays; etc. Other distinguishing characters are listed species by species (Ref. 132985).
Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Lima, F.C.T., C. Silva-Oliveira, C. Oliveira and T.C. Faria, 2025. A new Hyphessobrycon (Characiformes: Acestrorhamphidae) from the Central Amazon basin, Brazil. Pap. Avulsos Zool. 65[e202565011]:1-15. (Ref. 132985)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisch niveau (Ref.
69278): 3.2 ±0.31 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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