Tag: biological control

Biological control of aquatic plants in River Nile using grass carp, Ctenopharyngodon idella in Egypt

Review: Abdel Rahman El Gamal (Founder of the website) The spread of nuisance aquatic plants (e.g. water hyacinth) has always caused serious problems (e.g. water loss and navigation) in River Nile and canals. Various control methods have been adopted to control water hyacinth in River Nile including mechanical (dredging) and chemical (herbicides) methods. Since 1990, …

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Permanent link to this article: https://fishconsult.org/?p=8934

Crushing teeth of Black carp (Mylopharyngodon piceus)

  The black carp or snail carp, Mylopharyngodon piceus belongs to the family, Cyprinidae. The pharyngeal teeth (throat teeth) are one of the black carp’s distinguishing characteristics as represented in their powerful molar-like crushing teeth that enable them to crush mussel shells. It has been reported that an adult black carp is able to eat …

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Permanent link to this article: https://fishconsult.org/?p=8881

Harvesting and sexing of grass carp (Ctenopharyngodon idella) broodstock (Egypt) – Video

This video presents the harvesting and sexing grass carp (Ctenopharyngodon idella) broodstock prior to the artificial spawning of grass carp. Since mid 1990s, the use of herbicides in the River Nile and irrigation canals has been banned in Egypt. Instead, grass carp has been used as the biological control agent for aquatic plants. This video …

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Permanent link to this article: https://fishconsult.org/?p=3669