Actinopteri (ray-finned fishes) > Characiformes
(Characins) > Serrasalmidae
(Piranhas and pacus) > Colossomatinae
Etymology: Mylossoma: Greek, mylo = mill + Greek, soma = body (Ref. 45335). More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; pH range: 5.0 - 7.8; dH range: ? - 20; potamodromous (Ref. 51243). Tropical; 22°C - 28°C (Ref. 1672)
South America: Amazon, Orinoco and Paraguay-Paraná River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL male/unsexed; (Ref. 39031); max. published weight: 1.0 kg (Ref. )
Occurs over mud and silt in streams and lakes. Feeds on fish, insects, and plants (Ref. 9133).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Jégu, M., 2003. Serrasalminae (Pacus and piranhas). p. 182-196. 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. 39031)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: commercial; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.01043 - 0.04186), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 2.8 ±0.36 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (21 of 100) .
Nutrients (Ref. 124155
): Calcium = 189 [59, 441] mg/100g ; Iron = 1.61 [0.96, 3.17] mg/100g ; Protein = 17.8 [15.7, 20.1] % ; Omega3 = 0.293 [0.124, 0.689] g/100g ; Selenium = 50.1 [23.5, 113.5] μg/100g ; VitaminA = 21.8 [8.2, 54.3] μg/100g ; Zinc = 2.05 [1.36, 3.00] mg/100g (wet weight);