Fisheries

Barbel (Barbus callensis, B. nasus, B. pallaryi, and Varicorhynus marocannus), Cobitis maroccana and, in the Nile fed lakes, an array of Tilapia species (T. nilotica and T. zillii) represent the main resident species in inland waters of North of the Sahara. These fish are found in a variety of habitats, including oasis and delta lakes. Fish aquaculture is frequently developed for mullet and for Tilapia in the Nile delta lakes. A few species are endemic to the region in the Nile system and include such species as the Nile perch (Lates niloctica). Also in Morocco, there is a local population variety of brown trout (Salmo trutta f. fario and S. trutta macrostigma endemic in Atlas Mountains) in Ifni, Isli, and Tislit lakes (High Atlas, Morocco). Other fish species have been introduced recently to North African freshwaters and these include the common carp (Cyprinus carpio), pike (Esox esox), black bass (Sander lucioperca), rainbow trout (Onchorynchus mykiss), and tench (Tinca tinca). Lepomis gibbosus, L. macrochirus, L. microchirus, Perca fluviatilis, Micropterus sal-moide, Aristichthys nobilis, Cteropharangodon idellus, Hypophthalmichthys molitrix, and Scardinus erythrophthalmus were introduced in Mountain lakes, reservoirs, and rivers for sportive fishery. Gambusia affinis is very common in different water bodies and was introduced as a control for mosquito larvae.

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