Being a simple and useful tool, the “Secchi disc” or “Secchi disk” is widely used as a simple tool for measuring the transparency in water bodies including fish ponds. The disk is commonly identified by its circular appearance with its black and white quadrates. The simplicity of the disk goes also …
Category: English
Posts or items in English language
Permanent link to this article: https://fishconsult.org/?p=12412
Feb 11 2015
Sea lion show in the Sea World, San Diego, California (USA) – Video
This 8-min video was filmed at the sea lion and otter stadium in the Sea World, San Diego, California, USA. The full show is about twice as long as the current video. The interaction between the audience and the performers along with the well- trained sea lions is high as the whole show is …
Permanent link to this article: https://fishconsult.org/?p=12402
Permanent link to this article: https://fishconsult.org/?p=12393
Feb 05 2015
California spiny lobster displayed live at “Tuna Harbor Dockside Market”, San Diego, USA – (Video)
This short video was filmed at “Tuna Harbor Dockside Market”, San Diego, USA during the Saturday fish market held on 27 December 2014. Based on a quick tour in the market, and compared to whole fish display, this lobster is the most expensive item in all displays as the price during the day of the …
Permanent link to this article: https://fishconsult.org/?p=12390
Jan 30 2015
Cage culture of rainbow trout in Puno region (Peru)
Credit: Juan Martin Canturin Garcia (Peru) Review: Juan Martin Canturin Garcia and Abdel Rahman El Gamal (Founder of the website) The inserted photo shows the intensive culture of rainbow trout (Oncorhynchus mykiss) in floating cages which are located in the Puno region. These cages are made of metal frames …
Permanent link to this article: https://fishconsult.org/?p=12275
Jan 27 2015
Hormonal sex reversal of tilapia fry (practice and contradicting opinions) – Video
After a short introduction of tilapia in aquaculture, this 17-min video focuses on the production of all-male tilapia through the sex reversal practices using male hormone. The logic sequence of the sex reversal process has been maintained to large extent starting by the sexual differentiation in tilapia then determining the appropriate age and/size for successful …
Permanent link to this article: https://fishconsult.org/?p=12261
Jan 23 2015
The day of abalone in Monterey, California)
Dear Friends,Yesterday (Wednesday, 22 January) was a long field visit which lasted 14 hours since I left Campbell where we stay to Monterey where the abalone projects exist and back to Campbell. The rich information gained through the visit would justify the lengthy hours spent. When …
Permanent link to this article: https://fishconsult.org/?p=12249
Jan 17 2015
Production of all-male tilapia through hybridization – Video
Author: Abdel Rahman El Gamal (Founder of the website and video channel) This 8-min presentation addresses one specific topic which is the use of hybridization in the production of all-male tilapia fingerlings. The presentation highlighted to role of tilapia in global aquaculture as well as the necessity of producing all-male tilapia. Hybridization among tilapia species …
Permanent link to this article: https://fishconsult.org/?p=12238
Jan 09 2015
California two-spot Octopus, Octopus bimaculoides (Description, feeding, reproduction, camouflage) – Video
This video was filmed at the Sea World, San Diego, USA Source: www.fishconsult.org Introduction: The California two-spot octopus (Octopus bimaculoides), also known as the “bimac” octopus, is an octopus species found off the coast of California (from central California to northern Baja California). The species is normally found in the shallow areas of about 20-m depth so they …
Permanent link to this article: https://fishconsult.org/?p=12232
Dec 19 2014
Bullfrog processing in Brazil – 15-min Video
Video provided by: Juan Martin Canturin Garcia (Peru) Review: Abdel Rahman El Gamal (Founder of the website and video channel) The video was filmed in a processing plant in which frogs are being processed. Although the verbal description is in Portuguese (or Spanish), the phases of frog processing are clear starting from stunting the …
Permanent link to this article: https://fishconsult.org/?p=12178