Issue
See Weitzman (1960) for distribution.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce pelágico; pH range: 6.0 - 7.0; dH range: ? - 15. Tropical; 23°C - 27°C (Ref. 1672)
South America: Peruvian Amazon, middle Amazon, the Guianas and Venezuela (Ref. 39056). Recorded from the Paraguay basin (Ref. 81048).
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 3.9 cm SL macho / no sexado; (Ref. 116942)
Gregarious, can sometimes be aggressive or calm. Frequents slow-flowing waters of creeks and swamps (Ref. 27188). Lives in groups at the surface. It is capable of capturing small aerial insects. The females are bigger than the males. Feeds on worms, crustaceans and insects (Ref. 7020). Has not been bred in captivity (Ref. 27188). Aquarium specimens reach 6.5 cm TL (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; may jump out of the aquarium; minimum aquarium size 80 cm (Ref. 51539).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Weitzman, S.H. and L. Palmer, 2003. Gasteropelecidae (Freshwater hatchetfishes). p. 101-103. 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. 39056)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuicultura: comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.6270 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.00947 - 0.03835), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 3.3 ±0.40 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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