Tag: fecundity

Jun 14 2018

Artificial reproduction of grey mullet (Mugil cephalus) in Egypt – Video

Video credit: Ahmed Shaheen (Egypt) Review: Ahmed Shaheen and Abdel Rahman El Gamal (Founder of the video channel) This video was filmed in the first constructed governmental marine hatchery located in Alexandria (Egypt). Since the grey mullet cannot reach its full sexual maturation in captivity, the broodstock that are required for the artificial reproduction has …

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Permanent link to this article: http://fishconsult.org/?p=14515

Jul 04 2015

Controlled spawning of pike perch, (Sander lucioperca) in Poland

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 …

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Permanent link to this article: http://fishconsult.org/?p=12762

Mar 11 2015

Peaceful angelfish may fight sometimes – Video

This video has been filmed during December 2014 in the Sea World, San Diego, California, USA. Before going over the biological information, I was surprised to see how these peaceful fish –as their name tells- can fight. In fact, angelfish are generally peaceful especially when not mating but they under certain conditions such as overcrowding, …

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Permanent link to this article: http://fishconsult.org/?p=12464

Oct 23 2014

Fish Hatchery Management (Reproductive biology – natural reproduction – spawning induction – hatchery operations and management)

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 …

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Permanent link to this article: http://fishconsult.org/?p=11978

Aug 06 2014

Enforcing inland fishery regulations in SriLanka

Credit: Ajith Kumara (SriLanka) One of the photos shows one of the monthly visits to a fish landing site as carried out by fishery officials which is done in several reservoirs. The purpose of these visits is to acquire biological data on commercial fish species which were in this reservoir Nile tilapia, Oreochromis niloticus and …

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Permanent link to this article: http://fishconsult.org/?p=11473

May 08 2014

Fish hatchery management (April 2014 version)

This lecture was delivered in the Fish Culture Development training course which started on April 2014. This course is organized by the Egyptian International Centre for Agriculture “EICA” and supported by Japan International Cooperation Agency “JICA”. The course hosts 16 African trainees from 11 African countries. The lecture focused more on the management issues related …

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Permanent link to this article: http://fishconsult.org/?p=10836

Apr 24 2014

Japanese giant spider crab, Macrocheira kaempferi (introduction – habitats – biology – utilization)

Introduction This photo of the Japanese giant spider crab (Macrocheira kaempferi) was filmed by Samart Detsathit (Thailand)  (shown in the photo) at Kamogawa Sea World, Japan. The name of this marine crab goes to its existence in the water around Japan. The crab is known in Japan as “Taka-ashi-gani” which means “tall legs crab”. The Japanese Spider …

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Permanent link to this article: http://fishconsult.org/?p=10738

Nov 03 2013

Spotted gar, Lepisosteus oculatus (Introduction – distribution – description – biology) – Video

Review: Abdel Rahman El Gamal (Founder of the website and video channel) Introduction: The spotted Gar (Lepisosteus oculatus) is a primitive freshwater fish of the family Lepisosteidae, native to North America. Its name Lepisosteus which is Greek means “bony scale”. The spotted gars are among the few fish species with ganoid scales. Females on average are known to live longer …

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Permanent link to this article: http://fishconsult.org/?p=9754

Sep 17 2013

Glass fish (Introduction – distribution – biology – painted glass fish) – Video

This video was taken in freshwater aquarium, the Sea World, San Diego, California, USA Introduction: The fish is so named because of its translucent flesh whereas all the organs of the fish are completely visible like their bones etc. So due to this nature they gain some name in the aquarium world. There are several …

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Permanent link to this article: http://fishconsult.org/?p=9223

Sep 04 2013

Common octopus, Octopus vulgaris (General information – biology – conservation)

Video credit: Glenda Vélez Calabria (Colombia)      Review: Abdel Rahman El Gamal Source: www.fishconsult.org This video was taken in mundo marino and te mostramos lo que pasa en el fondo, Colombia Introduction: The common octopus, Octopus vulgaris is found worldwide in tropical and semitropical waters and occur from the coastline to as deep as 200 m. The species …

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Permanent link to this article: http://fishconsult.org/?p=9100

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