Create a balanced ecosystem in your aquarium with the addition of these small, freshwater algae eaters. They reproduce rapidly, laying their eggs on t...
Uca sp. The fiddler crab gets its name from the male’s larger claw, which it waves up and down in a fiddling motion when threatened or when attracting...
Pack of 3 Jellyfish (Cassiopeia sp.) Students can observe symbiotic organisms called zooxanthellae (minute flagellates) swimming with the jellyfish in...