Category: Gallery

Egg incubation and embryonic development of black catfish, Rhamdia quelen – Uruguay (in Spanish)

Credit: Claudia Turra (Uruguay) Foto 1: Huevos en incubación de Bagre Negro. Foto 2: Vista microscópica de Alevinos de Bagre Negro en sus primeras etapas de formación. Foto 3: Vista microscópica de Alevinos de Bagre Negro. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you …

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Permanent link to this article: https://fishconsult.org/?p=6026

Hatchery technology and early nursing of black catfish, Rhamdia quelen in Uruguay

Photo credit: Claudia Turra (Uruguay) –  Description: Claudia Turra and Abdel Rahman El Gamal In nature, the black catfish, Rhamdia quelen reproduce during most of the year except during the winter months. Being fractional spawners, females release small amounts of eggs several times during the spawning season. The absolute fecundity (number of eggs/female) could range from about …

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Permanent link to this article: https://fishconsult.org/?p=6010

Reproduction of black catfish, Rhamdia quelen in Uruguay – (Broodstock)

Photo credit: Claudia Turra (Uruguay) –  Description: Claudia Turra and Abdel Rahman El Gamal This species, Rhamdia quelen which belongs to the siluridae family is a South American catfish that is known by Black catfish in addition to other local names. The photo shows a broodstock of Black catfish in “Punta Negra” fish farm, Maldonado-Uruguay. The …

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Permanent link to this article: https://fishconsult.org/?p=6003

Preparing Prahok fish product in Cambodia

Credit: Nyro Tum (Cambodia) The photo shows women who living in and around the Tonle Sap Great Lake in Cambodia are enjoying in preparing fish paste-PRAHOK- for their families. Prahok which is a famous type of preserved fish in Cambodia is characterized by its strong and distinct flavor and can be eaten cooked or fried usually …

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Permanent link to this article: https://fishconsult.org/?p=5905

Liming of fish ponds in Malawi

Credit: Allan Katola (Malawi) Liming of a fish pond is usually done to correct the pH and improve alkalinity when the soils are acidic and also done after harvesting to control disease causing organisms and others. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify …

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Permanent link to this article: https://fishconsult.org/?p=5894

Artisanal unit for red tilapia rearing in Colombia

Credit: Glenda Vélez Calabria (Colombia) This photo shows a unit for red tilapia rearing in the Ciénaga Grande de Santa Marta (CGSM). The unit is built from wood and includes nursery cages as well as first and second phase of grow-out for red tilapia. The CGSM is a coastal lagoon located in northern Colombia that is …

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Permanent link to this article: https://fishconsult.org/?p=5881

Lighting for zooplankton during nursery and fattening stages of red tilapia in Colombia

Credit: Glenda Vélez Calabria (Colombia) As shown in the photo, artisan lamps are used at night in order to keep the zooplankton on the surface, thereby taking advantage of the productivity of the medium while using less artificial feed during the first and second phase grow-out of red tilapia. Note: We decided not to watermark the photos …

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Permanent link to this article: https://fishconsult.org/?p=5873

Women training on fish salting and sun-drying in Sao Tome (Video)

Credit: Gabriel de Labra (Spain) This video which was donated to the site by its copyright holder was taken during a training session that was designed for women in a fishing community in Sao Tome. The video begins with fishermen and their landed fishing. The scene till the end of the video was led by …

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Permanent link to this article: https://fishconsult.org/?p=5840

Spawning and nursing of sea cucumber Holothuria scabra (sandfish) in Vietnam

Credit: Rayner Pitt (United Kingdom) This file addresses the spawning and nursing of sand fish (Holothuria scabra). Technical components begin with the acquision of sea cucumber broodstock and spawning as well as the facilities required. The management of spawning and nursing operations are covered especially in regard to water management and feeding throughout all phases …

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Permanent link to this article: https://fishconsult.org/?p=5844

Icing and transporting whiteleg shrimp to the market in Thailand

Credit:Wanna Thawinwan (Thailand) According to a prior agreement, the trader goes to the shrimp farm early in the morning to finalize the purchasing of shrimp and to prepare as well as to transport the shrimp. Icing and transporting the shrimp is the responsibility of the trader.  The preparation includes size grading according  to  the marketing …

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Permanent link to this article: https://fishconsult.org/?p=5828

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