Sharks - Boys Or Girls?

[fishoz]

i can't find a subforum to talk about my sharks so i'll have to ask in here!

two red finned sharks (or rainbow sharks). how can you tell their genders?

 

[always4lora]

http/www.fishforums.net/index.php?showtopic=41902 for more info


Sexing and Breeding: Males can sometimes be distinguished by a slimmer body and black lines/markings on the anal fin. Breeding has occasionally happened in the aquaria but it is rare and hard due to their aggression towards their own species.