Posts or items in English language
Sep 12 2012
Credit: Gabriel de Labra (Spain) Around 35% of the artisanal fishermen in Sao Tomé fish in bigger wood canoes (as shown in the photos) with crews of 10-20 people and only around 5% uses fibreglass boats. Both of them uses outboard motors and are mostly purse seiners, catching mainly small pelagics. Note: We decided not …
Permanent link to this article: https://fishconsult.org/?p=5674
Sep 12 2012
Credit: Gabriel de Labra (Spain) There are some projects funded by international donors trying to introduce a prototype fishing boats specially designed for Sao Tomé and Prince waters, which are more stable and efficient. It is called “Prao” and is made of laminated wood. The boats are shown in the photos. Note: We decided not …
Permanent link to this article: https://fishconsult.org/?p=5665
Sep 12 2012
Credit: Gabriel de Labra (Spain) More than half of the artisanal fishermen of São Tomé and Prince uses small dugouts without motor and fish using hand line and target mostly demersal fish (groupers) or big pelagics (small tuna, merlin fish, sharks…). Note: We decided not to watermark the photos in order not to upset its clarity. …
Permanent link to this article: https://fishconsult.org/?p=5659
Sep 11 2012
Credit: Juan Suarez Sanchez (Mexico) This photo shows the cultivation of the Rainbow Trout (Oncorhynchus mykiss) in 300 m3 floating cages, in the dam of Apizaquito, Tlaxcala, Mexico. The cages are stocked at the rate of 16.7 organism m3, with trout fingerlings of 5 grams and 3 centimeters of starting average weight and length, respectively. Commercial …
Permanent link to this article: https://fishconsult.org/?p=5637
Sep 11 2012
Credit: Faiz Muhammad (Pakistan) This PDF file represents the Ontogenesis of the main organs in whiteleg shrimp, Litopenaeus vannamei. The whole research program was conducted in College of Marine Life Sciences, Ocean University of China. Ontogenesis in whiteleg shrimp
Permanent link to this article: https://fishconsult.org/?p=5624
Sep 08 2012
The majority of fish catch in lake Nasser belongs to about 10 species that collectively make up more than 95% of Lake Nasser catch. The predominant species sold as fresh fish are the tilapias and Nile perch, Lates niloticus, Labeo and Bagrus, while Alestes spp., Labeo spp., Hydrocynus spp., and Eutropius niloticus are salted. Salting takes …
Permanent link to this article: https://fishconsult.org/?p=5565
Sep 08 2012
Credit for the video: El Sadig Hagar (Sudan) Description: Abdel Rahman El Gamal The video was taken in a marine hatchery, Alexandria, Egypt. The video shows feeding the broodstock of European seabass, Dicentrachus labrax with fish of low economic value such as by catch. …
Permanent link to this article: https://fishconsult.org/?p=5555
Sep 08 2012
This video focused on the indoor component of the closed system for tilapia aquaculture. The videos shows the water discgarge (effluents) from tilapia tanks located under a green house.Water discharge is pumped to an overhead reservoir and from there water is showered over the biological filter and then after to the grow-out tilapia tanks.
Permanent link to this article: https://fishconsult.org/?p=5540
Sep 08 2012
Credit for the video: Victor Hugo (Peru) Information source: Ismael Radwan (Egypt) Description: Abdel Rahman El Gamal The video shows water cycle in a closed system of tilapia aquaculture. The video shows the upward pumping of the water discharged from the production tanks into an overhead reservoir which …
Permanent link to this article: https://fishconsult.org/?p=3659
Sep 08 2012
The video shows how tilapia fry is collected from concrete tanks which belong to a tilapia hatchery in Aswan. The method shown in the video targets to minimize the handling stress during this operation especially tilapia fry are delicate in relation to such operation. Fry collection starts with tank drainage till water level is significantly …
Permanent link to this article: https://fishconsult.org/?p=5545
