we have a 6 inch blue hippo tang, a six inch one spot fox face, a medium yellow tang, 3 engineer/convict gobies, a peach anthers (idk which species they look similar) a tiny crab which lives in the coral we salvaged, along with a 1.5 inch mantis shrimp which was a stowaway on the coral we got, but he hasn't been seen for a month, a valentines sharpness puffer, a six line wrasse, a large starfish which is hiding all the time, a blue streak cleaner wrasse, 2 blue/green chromes, a pajama cardinal, 2 ocellaris clownfish, a 2 inch mandarinffish, 2 yellowtail damselfish, 3 or 4 sea cucumbers, 2 sea urchins, and various snails, I want to get a blue spiny lobster or a red reef lobster for the tank but idk if they would fight, I hear blue spiny lobsters are chill. should I get one?