Hydrocynus forskahlii
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Hydrocynus forskahlii |
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| Hydrocynus forskahlii | ||||||||||||
| Cuvier , 1819 |
Hydrocynus forskahlii , engl. Elongate Tigerfish, belongs to the African tiger tetras.
distribution and habitat
Hydrocynus forskahlii is more widespread than other Hydrocynus species and is found in West and Central Africa. Its distribution areas include the Nile , Volta , Lake Albert (Albert Nyanza), Lake Turkana , Lake Gandjule and many other bodies of water. The species of fish is found in Senegal , Niger , Ivory Coast , Guinea , Cameroon , Democratic Republic of the Congo , Ghana , Liberia , Benin , Gambia , Chad, and Sierra Leone .
description
The fish can be up to 80 centimeters long and 15 kilograms in weight. You will achieve a maximum life expectancy of four years. Their bodies are elongated and have a silvery to gray color. Their fins are partially colored red.
Way of life
Hydrocynus forskahlii forms small schools or schools. As a predatory fish, it often hunts prey fish close to the surface, preferring elongated fish species ( herrings , cichlids and African tetras ) that can be easily swallowed. Stomach studies have shown that fish are its preferred prey. Hydrocynus forskahlii also eats insects , snails, and even grass . Under certain circumstances, H. forskahlii behaves like cannibals. The fish eagle ( Haliaeetus vocifer ) is one of its enemies . Spawning migrations have been observed in the tributaries of the Kariba Dam during the rainy season.
Web links
- Image of the head of a specimen of Hydrocynus forskahlii
- Image of a specimen of Hydrocynus forskahlii caught in the Okawango Delta in Botswana
- Catch report Hydrocynus forskahlii
- Hydrocynus forskahlii inthe IUCN 2013 Red List of Threatened Species . Posted by: Akinyi, E., Azeroual, A., Entsua-Mensah, M., Getahun, A., Lalèyè, P., Moelants, T. & Twongo, T., 2009. Retrieved January 9, 2014.
Individual evidence
- ↑ in Ethiopia
- ↑ a b c d e Hydrocynus forskahlii on Fishbase.org (English)
- ↑ a b F.G. Ogbe, GA Ataguba and EH Okosuwe: Feeding habits and growth parameters of Hydrocynus forskalii and Alestes nurse in River Benue, Nigeria, Department of Fisheries and Aquaculture, University of Agriculture, PMB 2373 Makurdi, Benue State, Nigeria, Journal of Applied Biosciences (2008 ), Vol. 11: 576 - 583 (PDF; 126 kB)