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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Brachyrhaphis: Greek, brachys, eia = short + Greek, raphis = needle (Ref. 45335).
Eponymy: Dr Donn Eric Rosen (1929–1986) was an American ichthyologist. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce pelagico; pH range: 7.2 - 8.0; dH range: ? - 10; non migratori. Tropical; 22°C - 30°C (Ref. 26130)
Central America: Costa Rica and Panama.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 6.0 cm SL maschio/sesso non determinato; (Ref. 36880); 4.2 cm SL (female)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Body with 12 dark bars on the sides, usually more prominent in males. Caudal fin margin orange with darkened submarginal band in males; tail usually has vertical series of dark streaks near the fin base rather than on the margin. Distal half of dorsal margin orange with black margin. Anal fin yellowish with black blotch (Ref. 36880).
Body shape (shape guide): elongated; Cross section: oval.
An insectivorous fish which lives in stagnant waters and in currents of low to moderate velocity, between 20 and 100 m of elevation. Inhabits surface or midwaters of creeks and streams where temperature varies between 22-30°C (Ref. 36880).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Lucinda, P.H.F., 2003. Poeciliidae (Livebearers). p. 555-581. 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, Brazil. (Ref. 50894)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00851 (0.00379 - 0.01909), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.2 ±0.40 se; based on food items. |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low to moderate vulnerability (30 of 100). 🛈 |