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 …
Tag: genital papilla
Permanent link to this article: https://fishconsult.org/?p=12791
Feb 27 2014
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 …
Permanent link to this article: https://fishconsult.org/?p=10435
Nov 03 2011
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. …
Permanent link to this article: https://fishconsult.org/?p=991