40 gallons

I have a 40 gallon tank with an azure damsel, a black cap basslet, a banggai cardinal, a strawberry crab, 4 scarlet reef hermit crabs, and a chocolate chip starfish that I seriously hate (my mom likes it so I can’t get rid of it, but my friend might be able to take it off my hands so it should...

Hey everyone, I'm planning on setting up a 40 gallon saltwater tank. I plan to have saltwater fish, crabs, perhaps a starfish, live rock, and live sand in it. I know how to take care of fish, but this is the first time I've ever done saltwater, and the first time I've actually picked out the...