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Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: Utiaritichthys: A waterfall in Papagayo river, Matto Grosso, named Utiariti in Campo Novo do Paresis, Sapezal.
Eponymy: Colonel Senna Braga was the Commander of the 5º Militar Grupamento de Engenharia (i.e. an engineering corps). He helped the author to obtain specimens when Miranda Ribeiro visited the type locality; Salto de Utiarity, Brazil (1909). (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical; 23°C - 28°C (Ref. 12468)
South America: right tributaries of the middle and lower Amazon River, Orinoco River basin.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.2 cm SL maschio/sesso non determinato; (Ref. 96883)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01094 - 0.05261), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).