Abdel Rahman El Gamal
Author's posts
Jun 15 2012
The Giant Pacific Octopus, Enteroctopus dofleini (Introduction and distribution)- Video
This short video was taken on 9 June, 2012 at: Monterey Bay Aquarium, California, USA Introduction: The Giant Pacific Octopus or North Pacific Giant octopus (Enteroctopus dofleini), is claimed to be the largest or the second largest octopus in the world. This animal belongs to the genus Enteroctopus, order Octopoda. Octopuses are cephalopod mollusks characterized …
Permanent link to this article: https://fishconsult.org/?p=3838
Jun 11 2012
Cage farming of Nile tilapia, Oreochromis niloticus in Lake Dogodogo, Burundi
Credit: Alain Manirambona (Burundi) The first floating cage in Burundi was installed in April 2012 in the lake Dogodogo, Cibitoke province. This cage is 6×6 m, and has 4 compartments. The juveniles of Nile tilapia, Oreochromis niloticus have been stocked in the cage. The first picture shows the cage during assembling near the beach, the next shows …
Permanent link to this article: https://fishconsult.org/?p=3807
Jun 10 2012
Fish stocking of Susu Dam in Ghana
Credit: Grace Charway (Ghana) This is stocking of the Susu dam which has a surface area of 1.0 ha in the Lawra district in the Upper West Region, Ghana. The fingerlings were taken from the Billibor dam by the fishermen in the community under the supervision of officials from the Fisheries Commission. As been established, about …
Permanent link to this article: https://fishconsult.org/?p=3795
Jun 10 2012
Sexing tilapia fingerlings by women in Gabon (in French)
Credit: Charles Ibinga Maganga (Gabon) Ici c’est une journée de sexage à SIAT/GABON, regarder la forme des épuisettes avec leur cerceau en liane; les femmes récupèrent les tilapia fingerlings (Pm≈ 40gr) dans les 30 étangs de pré-grossissements (36m²/étang); les mises en charge dans ces étangs se font à 20 alevins/m². Par jour je sexe environs 3500 …
Permanent link to this article: https://fishconsult.org/?p=3783
Jun 07 2012
A typical fish market in Banito city, Unity state (South Sudan)
Credit: Juma Frezar (South Sudan) The two photos show a typical fish market in Banito city, Unity State (South Sudan). One of the photos shows the customers who could not find their target fresh fish as what was there was dried fish of lower consumer preference. The second photo shows a fish trader who refused to …
Permanent link to this article: https://fishconsult.org/?p=3769
Jun 07 2012
Feeding of tilapia fry using a long handled feeder (Egypt) – Video
This video shows the feeding of tilapia fry in a hapa fixed in an earthen pond in Egypt). The long handled feeder helps to carry out feeding from a distance and to spread the powdered feed over the surface of the nursing hapa.
Permanent link to this article: https://fishconsult.org/?p=3763
Jun 07 2012
Activities carried out on Uburimyi N’ubworozi station in Burundi – (Movie)
Credit: Alain Murekambanze (Burundi) Source: www.fishconsult.org This 17-min movie has been produced by Uburimyi N’Ubworozi (Burundi). The movie shows various activities carried out on the station including a brief on the reproduction of African catfish (Clarias garepinus) and brood stock maintence. The movie also shows a glance on the activities of Nile tilapia (Oreochromis niloticus) …
Permanent link to this article: https://fishconsult.org/?p=3755
Jun 06 2012
Hand sorting of African catfish, Clarias gariepinus – Video
Credit for the video: El-Sadig Hagar (Sudan) Description: Abdel Rahman El Gamal This video shows a hand grading process of African catfish, Clarias gariepinus. We notice the ability of fish to move (walk) using its pectoral fins. This particular video was taken during the sorting of African catfish to be used in a predation study …
Permanent link to this article: https://fishconsult.org/?p=3748
Jun 05 2012
Fish aging – general and scale reading
This 2-slide information bite addresses fish aging topic covering its importance and applications in fishery management as well as aquaculture. The main fish aging methods are listed including the reading of scales, opercula, otolith or vertebrae. The focus has been placed on scale reading being the simplest method in fish aging as well as the conditions that …
Permanent link to this article: https://fishconsult.org/?p=3738
Jun 05 2012
Reproduction of rainbow trout (Oncorhynchus mykiss) in Kenya (Egg stripping and fertilization)
Credit: Edwin Muga (Kenya) Striping eggs from a gravid female: The stripping of the female is done under experienced hands of the hatchery personnel at the Kibaru trout hatchery on the slopes of Mount Kenya, Kenya. Egg fertilization: The second photo shows the mixing of the sperm from a male brooder with the previously stripped eggs. Rainbow …
Permanent link to this article: https://fishconsult.org/?p=3720