July 2010

Toxicity of pawpaw (Carica papaya) seed powder to sharptooth catfish Clarias gariepinus fingerlings and effects on haematological parameters

The mesocarp of pawpaw fruits (Carica papaya) is a delicacy in the Tropics but the seeds are known to contain toxic substances (Carpine, Papain). However, there have been very few studies on the toxicity of these substances to organisms. First part of the present study determines the toxicity of an aqueous...

Author(s): Ezekiel Olatunji Ayotunde, Benedict Obeten Offem, Irom Bassey Okey, Gabriel Ujong Ikpi, Stephen Ncha Ochang, Nnanke Effiom Agbam and Dodeye Eno Omini

July 2010

The status of mangrove mud crab fishery in Kenya, East Africa

Mangrove mud crabs, Scylla sp. are among crustaceans of commercial value along the Kenyan coast and in many mangrove areas in the Western Indian Ocean region. In Kenya the crabs are landed by artisanal fishermen. Rising population in the coastal areas and high demand for the crabs has led to increased pressure on the crabs. The population structure and maturity stages of Scylla serrata from...

Author(s):   Esther N. Fondo, Edward N. Kimani and Dixon O. Odongo

July 2010

Site selection for grouper mariculture in Indonesia

Author(s): W. Brian Szuster and Hatim Albasri