Taxonomic Remarks
See Weitzman (1960) for distribution.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique; 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).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.0 cm SL mâle / non sexé; (Ref. 137577)
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).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquaculture: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.6270 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01905 (0.00942 - 0.03853), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.40 se; based on food items. |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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