The development of marine fish aquaculture in China is discussed; major species cultured include: mullets, tilapias, milkfish, porgies, groupers, flounders and seahorses.
More than 2 billion people worldwide, particularly in developing countries, are estimated to be deficient in micronutrients, including vitamin A, iron and zinc. These vitamin and mineral deficiencies are a form of undernutrition affecting children and pregnant women. This fact sheet outlines the key benefits of eating fish, a source of micronutrients and essential acids, in alleviating nutrient deficiency.
In Cambodia, fish is a central source of food for the rural poor due to its abundance and availability, and contributes greatly to national food security. In this paper, we review how fish is a staple food, provides quality proteins and as well as essential fatty acids, and combats micronutrient deficiencies. Despite the fact that fish is highly nutritious and widely consumed in Cambodia, the Cambodian population still suffers from severe malnutrition. Children and women are specifically more prone to deficiencies.
This is the first record of the dusky grouper Epinephelus marginatus (Lowe, 1834) in the eastern English Channel. One specimen was caught on 10 June 2011 in the Bay of Seine. It measured 66 cm and weighed 5.5 kg. From the study of internal organs and scales, this specimen was a female of 12 years old that did not grow in the Channel, which confirms the fact of a stray specimen and not the sign of an extension of the distribution with an established population.
A general form of the yield equation is presented. This is used to investigate the effects of seasonal growth oscillations on estimation of yield per recruit. The results show that these effects will be strongest in short-lived organisms such as penaeid shrimps.
A novel method was used to estimate natural mortality (M) of Kuwaiti Penaeus semisulcatus using tagging data. The new M estimator is based on two tagging experiments with similar products of initial survival after tagging times reporting rate, but with different total mortality (Z) values. The best M-estimate for males was 2.4 year -1; the data on the female were, however, inadequate for use by this method. The new method is likely to produce reasonable estimates of M if accurate Z-values are used.
A model for describing the seasonally oscillating growth of fish is presented and compared with the commonly used model of D. Pauly and G. Gaschutz (PG). The new model produces results similar to those obtained from teh PG model, except for the parameter t <subscript>o</subscript> which the new model estimates accurately, such that L <subscript>t</subscript>=0 when t = t<subscript>0</subscript>.
The findings are presented of a study concerning the species composition and abundance of coral reef fish in the Philippines and their protection.
This study was planned to determine the grazing rate of O. niloticus from both toxic and non toxic strains of Microcystis aeruginosa with its effect on fish health through study of some clinical signs, hematological and biochemical parameters.
Hilsa (Tenualosa ilisha) is a major fishery resource in the Bay of Bengal. In order to ensure the sustainability of this resource, through effective management measures, information is required on its distribution patterns, migration routes and breeding sites. This study fills these knowledge gaps in Myanmar’s Ayeyarwady Delta. The findings are based on systematic gathering of local ecological knowledge among experienced fishers in thirty-two sites.