Category: Farmed species

This category hosts the key farmed species of fin-fish, shell fish, seaweed and others including those grown in various environments (e.g. warm water, cold water, freshwater, marine water)

Tilapia aquaculture in Guatemala

Photo credit: Andria Melissa Ochoa Rodas (Guatemala) Description: Andria Melissa Ochoa Rodas and Abdel Rahman El Gamal (Founder of the website) The inserted picture shows an earthen pond while prepared for tilapia culture. The pond is in Escuintla which is located in south central Guatemala. As shown in the picture, heavy machinery are used in …

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Permanent link to this article: https://fishconsult.org/?p=15168

Tilapia zillii – unwanted in fish ponds but highly demanded in markets in Egypt

Photo credit: Suzan Alfred and Mekki Zakaria (Sudan) – Review: Abdel Rahman El Gamal (Founder of the website) The inserted picture shows a batch of fish ready for the market. The traditional basket has mainly two fish groups; soles and green tilapia (Tilapia zillii). Whether caught from natural resources such as lakes (like the attached …

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Permanent link to this article: https://fishconsult.org/?p=15153

Adipose eyelids and their functions in fish

Photo credit: Marx Perfecto C. Garcia (Philippines) Review: Abdel Rahman El Gamal (Founder the website) The inserted photo shows the eyelid in a mullet specimen (Mugil sp.). There are several theories related to the possible roles of eyelids in fishes. It is generally accepted that the eyelids may play a role in affecting the vision …

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Permanent link to this article: https://fishconsult.org/?p=15150

Removing the premaxilla of tilapia males

Review: Abdel Rahman El Gamal (Founder of the website) The removal of the premaxilla of bone of the upper lip of tilapia males goes back to the late 1970s. The purpose of such practice is to reduce the aggressive behavior of tilapia males and hence reduce the possible injuries and/or mortality of females during the …

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Permanent link to this article: https://fishconsult.org/?p=15144

Natural spawning of tilapia in Madagascar using a simple practice

Photo credit: Marcel Jean Adavelo (Madagascar) – Review: Marcel Jean Adavelo and Abdel Rahman El Gamal (Founder of the website) As shown in the attached picture, the spawning tilapia pond is separated by a net with appropriate mesh size that retains the broodstock in a part of the pond while allows the produced fry and …

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Permanent link to this article: https://fishconsult.org/?p=15126

Intensive tank culture of tilapia in Egypt (Video)

Video credit: Fares Fares Arab (Egypt) and Marx Perfecto C. Garcia (Philippines) -Information source: Fares Fares Arab Description: Abdel Rahman El Gamal (Founder of the video channel) This video was filmed in an intensive fish farm located in Ismailia region, Egypt. The greenhouse has a dimension of 54×60 meters and hosts 42 grow-out circular tanks with …

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Permanent link to this article: https://fishconsult.org/?p=15120

Use of gonad color in abalone sexing

The inserted pictures belong to Omani abalone, Haliotis mariae. In the absence of external signs of sexual dimorphism for the shell structure, the sexing of abalone cannot be done based on the external differentiation and is only determined through the visual inspection of gonads which could be seen if the foot and mantle are forced …

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Permanent link to this article: https://fishconsult.org/?p=15107

Biofloc technology in red tilapia culture in Colombia (Video)

Video credit: Marleyi Acuna Torres (Colombia) Description:  Marleyi Acuna Torres and Abdel Rahman El Gamal (Founder of the video channel) The video was filmed in a red tilapia farm which uses biofloc technology. The farm is located in Zulia Notre de Santander (Colombia). The farm receives its water from a rain water reservoir. The management …

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Permanent link to this article: https://fishconsult.org/?p=14893

Spawning of imported whiteleg shrimp in a biosecure facility in Egypt

Photos credit: Sherif Sadek (Egypt). Description: Sherif Sadek and Abdel Rahman El Gamal (Founder of the website) The whiteleg shrimp, Litopenaeus vannamei, being the newest introduced shrimp species in Egypt is considered a promising candidate towards the development of shrimp aquaculture in the country based on its high productive traits. In order to minimize the …

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Permanent link to this article: https://fishconsult.org/?p=14885

Spawning readiness of African catfish females – Video

Video credit: Ismael Radwan (Egypt) – Description: Abdel Rahman El Gamal (Founder of the video channel) This short video shows a typical process carried out to checking process of the females of African catfish (Clarias gariepinus). This selection process is carried out towards successful spawning whether natural or artificial spawning. Two specimens have been checked …

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Permanent link to this article: https://fishconsult.org/?p=14840

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