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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Placidochromis: Latin, placidus = of peaceful or tranquile appearance + Greek, chromis = a fish, perhaps a perch (Ref. 45335); hennydaviesae: Named after Henny Davies, wife of Peter Davies, former exporter of aquarium fish from Malawi (Ref. 55898).
Eponymy: Henny Davies was the wife of Peter Davies, a former exporter of aquarium fish from Malawi. The couple left Malawi in the 1970s. The authors wrote that this: “…husband and wife team has made many new aquarium fishes available”. (Also see Peter Davies) (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين نزديك كف زي; تغييرات عمق 71 - 100 m (Ref. 55898). Tropical; 12°S - 15°S
Africa: Endemic to Lake Malawi. Occurs in the southern part of the lake.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 10.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 4994)
خارهاي باله پشتي (کل) : 14 - 15; شعاع نرم باله پشتي (کل) : 9 - 10; خارهاي باله مخرجي: 3; شعاع نرم باله مخرجي: 8 - 9. Diagnosis: lower jaw length 40.9-46.5 % head length; premaxillary pedicel 26.8-31.3 % head length; body depth 32.8-35.7 %SL; outer oral jaw teeth tricuspid; cheek depth 20.0-23.5 % head length; interorbital width 20.0-22.4 % head length; head width 41.6-44.5 % head length (Ref. 55898).
Inhabits areas with a muddy floor covered with a thick layer of sedimentary diatoms; feeds on planktonic invertebrates as well as insect larvae found in the substrate (Ref. 5595).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Maréchal, C., 1991. Placidochromis. p. 378-380. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 4994)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; آكواريوم: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.3 ±0.43 se; based on food items. |
جهندگی (مرجع 120179) |
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.). |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |
طبقه قيمت (Ref. 80766) |
Unknown.
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