Abdel Rahman El Gamal
Author's posts
Feb 11 2014
Historic information: Alaskan seals and fur trade
Source of the photos and some information: The lure of Alaska by Harry A. Franck, 1942. Publisher: J. B. Lippincott Company As stated in the reference, two million pelts were taken the first year after the islands were discovered whereas the price/piece fell to $1. By 1834 only 8,000 skins were taken. Accordingly, Russia stopped …
Permanent link to this article: https://fishconsult.org/?p=10361
Feb 08 2014
Historic fish trapping in Alaska – Fish wheels
Source: The lure of Alaska – Author: Harry A. Franck Publisher: J. B. Lippincott Company Year: 1942 The fish wheel shown in the photo is a sort of fish trap that was common in Alaska during 1940s and before. These wheels work all night as well as all day long. The wheels are anchored to …
Permanent link to this article: https://fishconsult.org/?p=10357
Feb 08 2014
Historic information on fish marketing in Galway, Ireland before/during 1907
For the description, you are advised to see the PDF file. [gview file=”http://fishconsult.org/wp-content/uploads/2014/02/Historic-information-on-an-old-fish-market-in-Galway-Ireland.pdf”]
Permanent link to this article: https://fishconsult.org/?p=10350
Feb 06 2014
Rôle des femmes dans culture de ostréi (Crassostrea gasar) au Sénégal – in French
Credit: Lo OumySeck (Senegal) Les photos montrent le rôle des femmes dans l’ostréiculture au Sénégal. Les femmes qui s’investissent dans cette activité. Elles sont entrain de confectionner des guirlandes avec les d’huitres déjà consommées. Elles sont au bord de la route, sur la partie descendante, cette partie permet de relier les différentes guirlandes en un …
Permanent link to this article: https://fishconsult.org/?p=10344
Feb 02 2014
Bala shark, Balantiocheilos melanopterus (naming- habitats- feeding habits- reproduction- threats)- Video
The video was taken at the freshwater aquarium, Sea World, San Diego, USA. General: The Bala shark, Balantiocheilos melanopterus, is not a real shark this is also known as the tricolor shark, silver shark, or shark minnow, and silver bala is a cyprinid and type of minnow freshwater fish species. The nickname “shark” has been given to this bony fish because of …
Permanent link to this article: https://fishconsult.org/?p=10340
Feb 01 2014
Silver dollar, Mylossoma aureum (Description – habitats – biology)
The video was taken in freshwater aquarium (Sea World), San Diego, California, USA Review: Abdel Rahman El Gamal (Founder of the website and video channel) Introduction and description: Silver dollar is a common name for a fish species that belongs to the Characidae family; Dollar d’argent is another common name. These fishes have metallic color with deep …
Permanent link to this article: https://fishconsult.org/?p=10333
Jan 31 2014
Culture of rainbow trout, Oncorhynchus mykiss in South Korea
Photo credit: Ahmad Yousef alqarain (Jordan) Description: Abdel Rahman El Gamal and Ahmad Yousef alqarain (Jordan) Rainbow trout (Oncorhynchus mykiss) was first introduced from USA into Korea in 1965, whereas its farming started in Pyeongchang due to its cold, and high quality waters …
Permanent link to this article: https://fishconsult.org/?p=10328
Jan 30 2014
Fencing fish ponds in Benin
Credit: Ismael Radwan (Egypt) The photo shows the fencing of fish ponds using nets and bamboo sticks. The purpose is to prevent the entry of unwanted animals especially snakes and birds.
Permanent link to this article: https://fishconsult.org/?p=10324
Jan 30 2014
Sex reversal of tilapia fry using male hormone in Benin
Credit: Ismael Radwan (Egypt) The male hormone (17 alpha- methyl testosterone) is dissolved in alcohol at the dose of 60 milligram per 500 ml of alcohol and then after the alcohol containing hormone is to be mixed with one kg of fry feed. Treated feed is dried in shade and could be stored in freezer …
Permanent link to this article: https://fishconsult.org/?p=10318
Jan 29 2014
Dissecting a specimen of an African catfish male – Video
This 2-min video demonstrates the dissecting of a specimen of African catfish, Clarias gariepinus which was completed with the identification of main organs (liver, spleen, stomach, intestine, spleen, and bladder). The testes identified in the dissected match the male morphology of the specimen. On the dissecting plate there is a tilapia specimen which was already …
Permanent link to this article: https://fishconsult.org/?p=10304