So I have a 20g mixed reef display tank with a sump that has 10g of water in it. Im looking for starfish/urchins that might be an option for my tank or to go in my refugium that holds 4 gallons.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
That will fit in a 20g?Most sea stars are specialized feeders and may only do well in larger, established tanks. The exception here are brittle and serpent stars. They scavenge and can eat the same foods as your fish. The are several varieties to choose from.

