Mini Spiny Starfish-Reef Safe Sand-Sifting Invertebrates Having a diverse aquarium adds

Having a diverse aquarium adds to the fun of keeping the aquarium with more viewing fun

Tangs and other herbivores including some fish and invertebrates may consume macroalgae in the aquarium

There is a possibility of them nipping at corals

Differences in lighting

Mini Spiny Starfish-Reef Safe Sand-Sifting Invertebrates Having a diverse aquarium addsThis is for a single Mini Spiny Starfish. These are tiny! Size: ~0. 5 2+ inches, size varies. Very small. This is a less commonly available variety of starfish. They typically reside in the sandbed and on the rocks. In a 30 gallon aquarium we recommend 1 3 of this starfish to give you a general stocking idea, a larger aquarium is even better. These are popular in smaller tanks for their tiny size. They are safe to keep with our captive bred seahorses