Tag: genital papilla

Sexing tilapia based on genital papilla (Video)

This video shows the genital papilla in both sexes of large specimens of tilapia. The close view shows that in males the genital papilla has only one opening (the urinary pore of the ureter) through which both milt and urine pass while in females the eggs exit through a separate oviduct and only urine passes …

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Permanent link to this article: https://fishconsult.org/?p=12791

Hand sexing of tilapia fingerlings using colored dyes in Benin

Photo credit: Ismael Radwan (Egypt) Description: Abdel Rahman El Gamal Tilapia fingerlings when reaching a weight of about 15-20 grams can be sexed by looking at the genital papilla which is located behind the anus. The genital papilla has a single opening in males (for urine and milt) while females have two openings; one for …

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Permanent link to this article: https://fishconsult.org/?p=10435

Sexual maturation of tilapia females and males

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. …

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Permanent link to this article: https://fishconsult.org/?p=991