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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Priapella: Taken from Priapus, the Greek, and Roman god of procreation in the mithology and also = a phallus; diminutive (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique; pH range: 6.8 - 7.2; dH range: 5 - 15. Tropical; 24°C - 28°C (Ref. 26130)
Central America: Rio Grijalva system to the lower Rio Usumacinta basin in Chiapas, Mexico.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL mâle / non sexé; (Ref. 26130); 7.0 cm (female)
Inhabits rapidly flowing, preferably torrential waters. Usually found in shallow waters about 20 to 50 cm deep. Feeds on insects. Lives along with livebearing Xiphophorus alvarezi only in the Rio Palenque.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
After 28 days of gestation, this species gives birth to 10-30 young.
Wischnath, L., 1993. Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p. (Ref. 26130)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Aquarium: Commercial
Plus d'informations
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
BRUVS
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00456 - 0.02295), b=3.13 (2.95 - 3.31), 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).