Advertisements

Category: Gallery

Nov 03 2011

Commercial tilapia hatchery during off-season (Egypt)

This photo shows a commercial hatchery of Nile tilapia (Oreochromis niloticus) in Egypt during off-season. Egg incubators and fry nursing facilities are shown. Depending on the demand for tilapia fingerlings, the spawning season usually ends on September whereas hatcheries carry out necessary maintenance and overwinter broodstock and left-over fingerlings. Note: We decided not to watermark …

Continue reading

Advertisements

Permanent link to this article: http://fishconsult.org/?p=973

Nov 03 2011

A small-scale hatchery for Nile tilapia, Oreochromis niloticus (Egypt)

This is a model of a small-scale tilapia hatchery which could exist in fish farming communities of small to medium size. This type hatchery targets to fulfill given farms requirements of the fry of Nile tilapia, Oreochromis niloticus with a possibility to sell extras to others. An estimated production capacity of such model hatchery can …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=967

Nov 03 2011

A commercial hatchery for Nile tilapia, Oreochromis niloticus in Aswan (Egypt)

This photo shows a commercial tilapia hatchery in Aswan. This hatchery belongs to Lake Nasser Development Authority. Untill the present, the fingerlings of Nile tilapia, (Oreochromis niloticus) produced in the hatchery are used for a stock enhancement program for Lake Nasser. The picture shows the outdoor facilities of the hatchery which has also indoor facilities. Note: …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=960

Nov 03 2011

A female of Nile tilapia (Oreochromis niloticus) incubates an advanced embryonic stage

The photo shows a female of Nile tilapia (Oreochromis niloticus) incubates an advanced stage of embryonic development as shown in the dark-colored eggs. The period till hatching will be affected by water temperature. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=954

Nov 03 2011

Embryonic development of tilapia (a female incubating freshly fertilized eggs) (green eggs)

The photo shows a female of Nile tilapia, Oreochromis niloticus while incubating freshly fertilized eggs. The color of incubated eggs indicates the early age of embryos which could be hours or 1-2 days depending on water temperature. The pigmentation of embryos will follow this stage. Sometimes freshly fertilized eggs are called green eggs. Note: We …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=947

Nov 03 2011

Pigmented eggs of Nile tilapia, Oreochromis niloticus

The photo shows the pigmented stage of the eggs of Nile tilapia, Oreochromis niloticus. Because tilapia eggs are opaque  and have tough chorions, special preparations will be required in order to examine tilapia eggs microscopically. The eyed stage will follow the pigmented phase shown in this photo. Note: We decided not to watermark the photos …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=941

Nov 03 2011

Sexually mature female of Nile tilapia (Oreochromis niloticus) – front view

Sexually mature female of Nile tilapia (Oreochromis niloticus) – watch for the projection and reddishness of the genital papilla (front view). 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. This will be appreciated.

Permanent link to this article: http://fishconsult.org/?p=930

Nov 03 2011

Full siblings of red and naturally colored tilapia

Full siblings of red and naturally colored tilapia resulting from mating of Nile tilapia with mutant red tilapia (this hybrid will not breed true). 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. …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=923

Nov 03 2011

Nile tilapia (Oreochromis niloticus) – morphological characteristics

Nile tilapia (Oreochromis niloticus)- Watch the tail bands. 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. This will be appreciated. [important][/important]

Permanent link to this article: http://fishconsult.org/?p=910

Nov 02 2011

Checking the spawning of Nile tilapia, Oreochromis niloticus in hapa system in Egypt

Checking tilapia spawning in open system using hapas. The intervals between checkings depend on water temperature and target product whether fry andor eggs. 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. This …

Continue reading

Permanent link to this article: http://fishconsult.org/?p=904

Load more

%d bloggers like this: