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My terrapin is vibrating claws. How do I know its gender?

Updated On September 23rd, 2025

i dont know if my terrapin is a male or female. i used to thought its a female until i recently just brought in a new terrapin and my older terrapin is starting to vibrate it's claws on the other's face some people said its the mating dance but some said its a sign of aggression and may result in biting and fighting especially if both are males. so i dont know if they're of different genders or both are males. the older one is 7 month old and the other one is almost a month i think.

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on July 5th, 2018

Males have longer front claws and a longer, thicker tail. Determining sex can be difficult in turtles measuring less than 4 inches. Consider separating the turtles until the smaller one is larger. Sliders can be quite territorial and a larger turtle may injure a significantly smaller one.

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