red legged hermits

First time poster here & new to the hobby of saltwater aquariums. So far, all has been well.. I’m curious as to what these little red leg hermit crabs are up to if anyone could shed some light? When I approached the tank my Nassarius snails were circling the pair of hermit crabs as if...

Guys I finally got the first edition! The tank is 13 weeks old, full of copepods and I finally took the plunge with a Firefish! I’ve been waiting for the perfect one as I’m aware I’m limited on options and I think it’s so pretty! Would like to add 3 sexy shrimp in a couple weeks but any ideas...