Abdel Rahman El Gamal
Author's posts
Sep 30 2012
Key introduced fish species in Dominican Republic
Credit: Rafael A. Perez Ovalle (Dominican Republic) During 60s and 70s, several fish species were introduced for aquaculture in Dominican Republic. These include, largemouth bass (Micropterus salmoides), common carp (Cyprinus carpio), three tilapia species (Oreochromis niloticus, O. plateada and O. rendalli), and crawfish (Procambarus clarke). The photo shows largemouth bass. Note: We decided not to watermark the …
Permanent link to this article: https://fishconsult.org/?p=6162
Sep 30 2012
Pacu, tilapia y cachama en un sistema de policultivo en República Dominicana (in Spanish)
Credit: Rafael A. Perez Ovalle (Dominican Republic) Un ejemplo es de sembrar las especies mojarra y la especies cachama en el mismo estanque, la mojarra es de agua alta (mantiene en la superficie) y la cachama es de agua baja (mantiene por debajo de los 50 centímetros de la superficie), por lo que el alimento …
Permanent link to this article: https://fishconsult.org/?p=6151
Sep 29 2012
Enhancement of natural fishery stocks in Cambodia
Credit: Nyro Tum (Cambodia) The photo shows the communities members during the release of fish fingerlings into a targeted water body as a part of improvement the nature fishery stocks. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use …
Permanent link to this article: https://fishconsult.org/?p=6141
Sep 29 2012
Centro Nacional De Investigacion Piscicola El Carao (Honduras) – in Spanish
Credit: Carolina Cardona (Honduras) En Honduras funciona el Centro Nacional de Investigación Piscícola El Carao, el cual se encuentra ubicado en el Departamento de Comayagua. Dicho centro se encuentra bajo el manejo de Secretaria de Agricultura y Ganadería (SAG) a través de la Dirección General de Pesca y Acuicultura (DIGEPESCA), este es un centro piscícola demostrativo, …
Permanent link to this article: https://fishconsult.org/?p=6121
Sep 28 2012
Cultura de guapote tigre (Parachromis managuensis) en Panamá – in Spanish
Credit: Rosa Libia Bellido (Panama) Es originario del norte de la República de Costa Rica y el Lago de la República de Nicaragua. Características de las especies en relación con la acuicultura: Carnívoro (predador); Se reproduce fácilmente y en forma natural en el estanque; Resistente al manejo y enfermedades; Es muy prolífico pero depreda sus propias crías & Se usa …
Permanent link to this article: https://fishconsult.org/?p=6104
Sep 28 2012
Demonstration of open sea cages for Asian sea bass and lobsters in India
Credit: G. Venkata Raju (India) – (gvraju_fisheries@yahoo.co.in) With the support of NFDB and CMFRI, this project was established to demonstrate the techno economic viability of open sea cage farming for taking up of culture of Asian sea bass, lobsters etc. A production of about 4 tons of sea bass and 1 ton of lobsters per cage of …
Permanent link to this article: https://fishconsult.org/?p=6096
Sep 28 2012
l’holothuriculture à Madagascar (in French)
Credit: Vero Rahantarimalala and Lanto Henriette Razafintsalama (Madagascar) Technique d’élevage: Reproduction artificielle et élevage larvaire en écloserie Pré-grossissement en bassins Grossissement en milieux naturels en enclos Pratiquée sur les côtes Sud-Ouest de Madagascar Une photo montre la écloserie que la deuxième photo montre l’holothurie de sable (Holothuria scabra) qui est une espèce clé holothuries. Note: …
Permanent link to this article: https://fishconsult.org/?p=6087
Sep 27 2012
Freshwater fish market at Phatumthanee province, Thailand
Credit:Wanna Thawinwan (Thailand) The photos show fish displays in a freshwater fish market located at Phatumthanee province, Central of Thailand. Based on consumer preference, tilapia is a key species in the market. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish …
Permanent link to this article: https://fishconsult.org/?p=6075
Sep 24 2012
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 …
Permanent link to this article: https://fishconsult.org/?p=6026
Sep 24 2012
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 …
Permanent link to this article: https://fishconsult.org/?p=6010