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Osteoglossiformes (Bony tongues) >
Osteoglossidae (Arowanas)
Etymology: Osteoglossum: Greek, osteon = bone + Greek, glossa = tongue (Ref. 45335).
Eponymy: Alexandre Rodrigues Ferreira (1756–1815) was the first Brazilian naturalist to explore the Amazon and Pantanal biomes in the states of Pará and Mato Grosso (1783–1792), sponsored by the Portuguese government; he became known as the Brazilian Humbold [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical; 24°C - 30°C (Ref. 1672)
South America: Negro River basin.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL maschio/sesso non determinato; (Ref. 50892)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Carries eggs in its mouth (Ref. 56180).
Ferraris, C.J. Jr., 2003. Osteoglossidae (Arowanas). p. 30. 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. 50892)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: pesca di sussistenza; Acquario: Acquari pubblici
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7656 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00240 - 0.00955), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 2.0 ±0.00 se; based on food items.
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).