Fishman-- I too have a 75 gallon and all I can tell ya is what I have: a coral beauty, a bi-color angle, a clarkii clown, and a orange damsel. As for others I have 3 anemones, 1 CBS, 1 scooter blenny, 2 urchins (1 large/1 small) and a deceased arrow crab (due to the huge anemone and the fact...