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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
Ecologia
; acqua dolce pelagico; 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).
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL maschio/sesso non determinato; (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 | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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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).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).