Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335).
More on author: Steindachner.

Issue
The most recent reference to distribution is by Weitzman & Cobb (1975) and Weitzman & Weitzman (1982), but due to a printer’s error Fig. 22.13 provides the correct distribution for Nannostomus unifasciatus, not Fig. 22.12. This species is frequently exported as an aquarium fish from at least Peru and Guyana.

Environment: milieu / climate zone / depth range / distribution range Ekologi

; sötvatten bentopelagisk; pH range: 5.5 - 7.0; dH range: ? - 4. Tropical; 25°C - 28°C (Ref. 1672)

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South America: Parts of the Amazon basin of Bolivia, Brazil, and probably Colombia; the upper Orinoco basin of Venezuela, and Guyana.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.8 cm SL hane/ej könsbestämd; (Ref. 37104)

Feeds on worms, crustaceans and insects (Ref. 7020).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : Weitzman, Marilyn | Medarbetare

Weitzman, M. and S.H. Weitzman, 2003. Lebiasinidae (Pencil fishes). p. 241-251. 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. 37104)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 22 September 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell; Akvarium: Kommersiell

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00759 (0.00377 - 0.01527), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.40 se; based on food items.

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Unknown.

Nannostomus unifasciatus Steindachner, 1876