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Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Colossomatinae
Etymology: Mylossoma: Greek, mylo = mill + Greek, soma = body (Ref. 45335).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Brazil (restricted to the rio Tocantins-Araguaia system).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 25.6 cm mannelijk / geslacht onbekend; (Ref. 117280)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 37. This species is distinguished from M. aureum by having the last abdominal spine reaching the anal-fin origin or almost (vs. last abdominal spine clearly separated from anal-fin origin), vertebrae 37 (vs. 38-39), and a conspicuous black blotch on opercle (vs. black blotch absent or inconspicuous); differs from M. albiscopum by the anal-fin branched rays 28-32 (vs. 31-38), circumpeduncular scales 34-40 (vs. 28 to 36), pored lateral line scales 95-110 (vs. 74-99); differs from <>M. duriventre by the circumpeduncular scales 34-40 (vs. 30-34), pored lateral line scales 95-110 (vs. 74-97), and vertebrae 37 (vs. 35-36) (Ref. 117280).
Cross section: compressed.
Reported to inhabit rivers margins and lagoons, feeding primarily on leafs, fruits, seeds and invertebrates, and total spawning during the flood season (Ref. 117280)..
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Mateussi, N.T.B., C. Oliveira and C.S. Pavanelli, 2018. Taxonomic revision of the Cis-Andean species of Mylossoma Eigenmann & Kennedy, 1903 (Teleostei: Characiformes: Serrasalmidae). Zootaxa 4387(2):275-309. (Ref. 117280)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02455 (0.01080 - 0.05581), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
2.6 ±0.3 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |