رده بندی / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Poecilia: Greek, poikilos = with a lot of colours (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين; لب شور موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.; غير مهاجر. Subtropical; 27°N - 25°N
North America: lower Nueces River (where possibly introduced) and lower Rio Grande, extreme southern Texas, to Veracruz in Mexico. Introduced populations at San Antonio and San Marcos, Texas.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm TL جنس نر / بدون خواص جنسي; (Ref. 5723); common length : 5.5 cm TL جنس نر / بدون خواص جنسي; (Ref. 12193)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 10 - 12. Similar to females of P. latipinna but lacks rows of brown spots on side (may have row of dusky black spots).
In backwaters and quiet pools of streams, sloughs, and ditches, usually over mud. This is an all-female species thought to have originated as a result of hybridization between P. latipinna and P. sphenops. Gynogenesis reproduction is triggered by copulation and stimulation by sperm from males of other species in the genus, either P. latipinna, P. mexicana, P. latipunctata, or rarely P. sphenops.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Reproduces gynogenetically (Refs. 8601, 8602, 8605, 5723, 125602), meaning once the sperm has penetrated the egg membrane, it takes no further part in the development of the embryo. Eggs develop following copulation and stimulation by sperm from males of other species in the genus, either P. latipinna, P. mexicana, P. latipunctata, or rarely P. sphenops. Viviparous (Ref. 8601), but there is no nutritional contribution by the mother during embryonic development to compensate for the depletion of stored reserves in the egg as embryos develop (Ref. 8606).
Meyer, M.K. and A.C. Radda, 2000. Notes on the subgenus Mollienesia Lesueur,1821, with a description of a new species of Poecilia Bloch & Schneider, 1801 (Cyprinodontiformes: Poeciliidae) from Venezuela. Ann. Naturhist. Mus. Wien 102B:75-81. (Ref. 42987)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی; آكواريوم: تجاري
ابزارها
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