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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Phalloptychus: Greek, phallos = penis * Greek, ptyx, ptychos = fold (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique; pH range: 6.8 - 8.0; dH range: ? - 25. Tropical; 24°C - 28°C (Ref. 26130)
South America: Brazil, Paraguay, Uruguay and Argentina (Ref. 9086).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL mâle / non sexé; (Ref. 26130); 4.0 cm (female)
Usually found in shallow, flowing and standing waters that can warm up considerably. Occurs in company with other livebearers, such as Poecilia vivipara and Jenynsia lineata. A photo of this species taken from Santos channel, state of São Paulo, Brazil has a maximum length of 3.3 cm SL (photo by T. Vaske, Jr.).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
After 24 days gestation, 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
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00446 - 0.01551), b=3.23 (3.07 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
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).