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Mormyrus longirostris Peters, 1852

Eastern bottlenose mormyrid
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Image of Mormyrus longirostris (Eastern bottlenose mormyrid)
Mormyrus longirostris
Picture by KMFRI

رده بندی / Names اسامي عام | مترادف | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

ماهبان شعاع باله > Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Mormyrus: Greek, mormyros = a fish (Sparus sp) (Ref. 45335).  More on author: Peters.

Environment: milieu / climate zone / depth range / distribution range بوم شناسي

; آب شيرين نزديك كف زي; رود رو.   Tropical; 11°S - 21°S

پراكنش كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | Point map | معرفي | Faunafri

Africa: lower and middle Zambezi, Buzi, Pungwe (Ref. 52193), lower Sabi and Ludi Rivers (Ref. 42505), Luapula-Moero-Bangwelo (Zambian Congo system) (Ref. 42505, 52193). Also known from the Ruvuma and Rufiji rivers in Tanzania (Ref. 7248, 52193), lakes Malawi, Tanganyika (Ref. 4967, 52193) and Rukwa, and other eastward flowing rivers in Tanzania (Ref. 4967).

Length at first maturity / Size / Weight / سن

Maturity: Lm 34.0  range ? - ? cm
Max length : 75.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 52193); بيشينه وزن گزارش شده: 10.0 kg (Ref. 52193)

توصيف مختصر ريخت شناسي | ريخت ستجي بوسيله انداره گيري

خارهاي باله پشتي (کل): 0; شعاع نرم باله پشتي (کل): 65-75; خارهاي باله مخرجي 0; شعاع نرم باله مخرجي: 17 - 19. Diagnosis: dorsal fin greater than twice the length of anal fin; dorsal origin nearer tip of snout than caudal fin base; snout 2-2.5 times in head length; caudal peduncle less than 4 times in standard length (Ref. 52193).

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

Found in caves and muddy areas, also hides among weeds (Ref. 13337). Favours quiet deep water with a soft muddy bottom (Ref. 52193). Forms shoals (Ref. 13337, 52193). Feeds on weeds (Ref. 5595) and insects but may also feed on small fishes (Ref. 5595, 52193) and fish eggs (Ref. 52193), blood worms (Ref. 13337), small crustaceans and mollusks (Ref. 13337, 52193). Active mainly at night; breeds during the rainy season, moving upstream in rivers after flood spates have receded (Ref. 52193). Migrations appears to occur at irregular interval as this fish is not a powerful swimmer and would not be able to cope with very high water current (Ref. 13337). Females carry 10,000-70,000 eggs; can give a mild shock when caught (Ref. 7248, 52193).

Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)

مآخذ اصلی Upload your references | مراجع | هماهنگ كننده | همكاران

Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)

وضعيت در فهرست قرمز IUCN (Ref. 120744)

  حداقل نگرانی (LC) ; Date assessed: 20 June 2018

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر برای انسان ها

Other (Ref. 52193)

استفاده انسانی

ماهي گيري – شيلات: تجاري; ماهي ها ي سرگرم كننده: بله; آكواريوم: تجاري
FAO(Publication : search) | FishSource |

اطلاعات بيشتر

اسامي عام
سوخت و ساز
سم شناسي بوم زيستي
تولید مثل
تخم ریزی
Spawning aggregation
تخم ها
نمو تخم
آبزي پروري
نمايه آبزي پروري
تواتر آلل ها
بيماري ها
Mass conversion
عکس ها
Stamps, Coins Misc.
نوع شناگری
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منابع اينترنتي

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00691 - 0.02401), b=2.87 (2.71 - 3.03), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.46 se; Based on food items.
جهندگی (Ref. 69278):  متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.22).
آسيب پذيری (Ref. 59153):  Moderate to high vulnerability (47 of 100) .
طبقه قيمت (Ref. 80766):   Unknown.