You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.

How can I tell the sex of my new Puffers

You cant, Green Spotted Puffers are non sexable. Hope you got a large tank for these two soon to be killing machines
Ive got the smaller cousins, T. Biocellatus, couldnt be bothered with the moving GSP's to marine water from Brackish at adulthood lol
-
321
-
232
-
200
-
198
-
195
-
160
-
155
-
149
-
124
-
121
-
115
-
100
-
F
87
-
87
-
80