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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Brachyrhaphis: Greek, brachys, eia = short + Greek, raphis = needle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique; pH range: 7.2 - 8.0; dH range: ? - 10; non migrateur. Tropical; 22°C - 30°C (Ref. 26130)
Central America: Costa Rica and Panama.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL mâle / non sexé; (Ref. 36880); 4.2 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
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).
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).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00354 - 0.01865), b=3.16 (2.97 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.40 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
