Jul 04 2015
Credit: Roman Aszkiełowicz (Poland) Review: Roman Aszkiełowicz and Abdel Rahman El Gamal (Founder of the website) The hormone used in this given practice is the Human Chorionic Gonadotropin (HCG) using a single injection of 300IU/kg of female body weight (the dose can go up to 400 IU/kg). The hormonal application synchronizes …
Permanent link to this article: https://fishconsult.org/?p=12762
Oct 23 2014
This lecture was delivered during October 2014 as a part of Fish Culture Development training course. This course is annually organized by the Egyptian International Centre for Agriculture (EICA). In order to address the management of fish hatchery management, it was necessary to start begin the lecture with the modes of fish reproduction as well …
Permanent link to this article: https://fishconsult.org/?p=11978
Jun 11 2014
Credit for the video: Glenda Vélez Calabria (Colombia) Review: Abdel Rahman El Gamal (Site and video channel founder) This video was filmed at mundo marino and te mostramos lo que pasa en el fondo, Colombia Introduction: The hawksbill sea turtle (Eretmochelys imbricata) which belongs to the family Cheloniidae has a worldwide distribution and occur in tropical and subtropical waters …
Permanent link to this article: https://fishconsult.org/?p=10968
Dec 03 2013
Credit: Alain Murekambanze (Burundi) The photos show most of the artificial spawning of African catfish (Clarias gariepinus) as carried out in Kunagura Ubworozi (Burundi). The typical practices of artificial catfish –whether shown in the photos or not- include the selection of broodstock, administration of the pituitary gland extract, ovulation and egg fertilization, incubation and hatching. If …
Permanent link to this article: https://fishconsult.org/?p=10058
Nov 21 2013
Credit: Oscar Del Valle Ayala via Wilder Rodrìguez Arteaga (Peru) The photos shown are related to the reproduction of rainbow trout, in Peru. The reproduction process includes the selection of broodstock, egg stripping from female and then mixing the sperm collected from males in the fertilization process before incubating fertilized eggs until hatching.
Permanent link to this article: https://fishconsult.org/?p=9935
Oct 19 2013
Source: www.fishconsult.org Review: Abdel Rahman El Gamal (Founder of the website and video channel) This 8-min video addresses the sequence of the artificial reproduction of African catfish (Clarias gareipinus). The process starts with the hormonal induction of catfish brood fish using the extract of catfish pituitary gland. Afterwards, a female catfish is stripped upon ovulation …
Permanent link to this article: https://fishconsult.org/?p=9603
May 08 2013
Source: www.fishconsult.org This video was taken in Monterey Aquarium, California, USA Video ownership and review: Abdel Rahman El Gamal (Founder of the website and video channel) Introduction: the name of seahorses is given to about 40 species of marine fish that occur worldwide. This group belongs to the family: Syngnathidae and the genus Hippocampus. The …
Permanent link to this article: https://fishconsult.org/?p=7763
Sep 24 2012
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
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
Nov 03 2011
The photo shows a classic view of the spawning nests in earthen ponds for mouth brooder tilapia such as Nile tilapia, Oreochromis niloticus. The nest is built by the male while female joins where the spawning takes place before females incubates the fertilized eggs. If harvesting of tilapia fry is performed in these ponds, it …
Permanent link to this article: https://fishconsult.org/?p=918
