in this tank i have a black blenny, 2 bar gobies, dragon gobie(sand sifter), six line wrasse, i sand sifter cucumber, 16 banded trochus snails, 6 astrea snails, 16 nassarus snails, keyhole limpet, 1 turbo snail, sally lightfoot crab, 2 very small rock urchins, 3 1 1/2 inch crocea clams, lost one maxima. Big cleaning crew for small tank but had a big algae problem during cycling and after looking alot better now.