Nov 03 2011
This species is found more in the Red Sea system due to its high tolerance to high salinity. The fry of keeled mullet (Liza carinata) are collected from collecting stations in Ismaelia and Suez. Even though the growth rate of keeled mullet is not high especially when compared to key mullet species, there is a …
Permanent link to this article: https://fishconsult.org/?p=1050
Nov 03 2011
Review: Abdel Rahman El Gamal (Founder of the website) Mullet farming still depends on naturally collected fry whereas the artificial reproduction of mullet is carried out at experimental levels in Egypt. There are several stations where mullet fry are collected. Key mullet species are flathead grey mullet (Mugil cephalus), thin-lipped grey mullet (Liza ramada), and keeled …
Permanent link to this article: https://fishconsult.org/?p=1047
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
Nov 03 2011
The photo shows freshly hatched yolk sac fry of Nile tilapia, Oreochromis niloticus. Yolks provide the main nutrition to this early larval stage. The rate and duration of yolk consumption will be determined based on water temperature. Afterwards, yolk-sac fry will turn to swim-up fry. Note: We decided not to watermark the photos in order not to …
Permanent link to this article: https://fishconsult.org/?p=1029
Nov 03 2011
Blue tilapia (Oreochromis auraeus) is a mouth brooder tilapia. Watch the blue nose and incomplete bands on the tail. This species is more tolerant to low water temperature than Nile tilapia (Oreochromis niloticus). Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if …
Permanent link to this article: https://fishconsult.org/?p=1024
Nov 03 2011
The use of air lift technology in a tilapia hatchery (Egypt). This is a reliable means in maintaining water current during egg incubation and early nursing. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or …
Permanent link to this article: https://fishconsult.org/?p=1016
Nov 03 2011
Eyed stage is an advanced stage of embryonic development. Hatching will largely depend on water temperature. Note that because tilapia eggs are opaque, a special arrangement will be required to enable seeing through eggs. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us …
Permanent link to this article: https://fishconsult.org/?p=1012
Nov 03 2011
This particular red tilapia which is more towards orange color resulted from the mating of blue tilapia (oreochromis aureus) with mutant red tilapia (this hybrid will not breed true). Red hybrids have been backcrossed with blue tilapia targeting to increase the contribution of blue tilapia genes in the genetic make-up and hence enhance passing the cold tolerance …
Permanent link to this article: https://fishconsult.org/?p=1004
Nov 03 2011
The photo shows a female of Nile tilapia, Oreochromis niloticus based on her papilla. For smaller sizes and/or with personnel who are not familiar with tilapia, a dye named as crystal violet may be used to show clearly the papilla. Note: We decided not to watermark the photos in order not to upset its clarity. …
Permanent link to this article: https://fishconsult.org/?p=998
Nov 03 2011
The photo shows mature tilapia females and males prior to the spawning season. Watch the genital papillas of tilapia male (right) and female (left). Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. …
Permanent link to this article: https://fishconsult.org/?p=991
