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Gobiiformes (Gobies) >
Eleotridae (Bully sleepers)
Etymology: Ratsirakia: Perhaps it is an extinct fish today; following "Aquatic Survival", vol 4, 3, september 95.
Eponymy: Didier Ignace Ratsiraka (1936–2021) was President of Madagascar (1975–1993 & 1997– 2002). Jean Legendre was a physician with the French Colonial Troops in Madagascar (1922– 1924). He observed this sleeper and provided ‘interesting details’ (translation) of its biology to the author. (Ref. 128868), visit book page.
More on author: Pellegrin.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Africa: endemic to Madagascar.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 17.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 6802)
Occurs strictly in freshwaters of highlands and oriental versant (Ref. 6802).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Maugé, L.A., 1986. Eleotridae. p. 389-398. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MARC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6802)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00393 - 0.02918), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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