رده بندی / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins) > Goodeinae
Etymology: francesae: Named for Frances H. Miller (Ref. 29410).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical; 21°C - 27°C (Ref. 12468); 21°N - 20°N
North America: Teuchitlan River, Mexico.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 6398); 5.0 cm TL (female)
شعاع نرم باله پشتي (کل): 15-17; شعاع نرم باله مخرجي: 14 - 15; مهره ها: 30 - 35. Males with a less prominent notch in dorsal fin; no irregular black spots on sides of body; a gray cast superimposed on gold body and gray fins. Head wedged shaped; upturned lips; proportionately larger head and orbit. Tendency to fewer lateral scales, predorsal scales and vertebrae. Male with fins larger, especially dorsal and anal fins; greater prepelvic length, head and body depths; first 6 anal-fin rays small folding into fleshy dermal pocket supported by 7th ray; dorsal fin notched, first 4-5 rays separated slightly from the rest.
An experimental fish. Pinnate diatoms (largely benthic), filamentous algae indicate that this species grazes rocks and plant surfaces along or near the bottom (Ref. 29410).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Viviparous. Gestation lasts for about 55 to 60 days. Produces 10-15, rarely 20, young. Matures approximately at the fifth month.
Kingston, D.I., 1978. Skiffia francesae, a new species of goodeid fish from Western Mexico. Copeia 1978(3):503-508. (Ref. 29410)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
آكواريوم: تجاري
اطلاعات بيشتر
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.3 ±0.23 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
