stingray

hello everyone, this is my first post so let me start by introducing myself. My name is Ben and I am the manager of a large aquatic store and have been a hobbyist for over 10 years. I would consider myself a experienced aquarist however "monster fishkeeping" is one area of the hobby I know very...

I've recently purchased a (stunning) mini marble. Out of curiosity does anybody know how to sex these?

What is the minimum tank size/dimensions for 2 teacup stingrays? Also, what can they be put with? Thx!

Hey guys, I'm relatively new in the stingray hobby and was wondering if sand changes any of my waters parameters besides the obvious cloudy water. And also if it is safe to add to an already up and running aquatium with rays already in the tank. Of course I was gonna rinse the sand like a mad...