Dragon eel or a dragon goby? if its a dragon goby about 12 inches with beady eyes and quite harmless. they dislike light, like to hide in caves and a diet of blood worm will suit him well
hi oddball mine eat spiky fish, I brought 3 pictus and all vanished overnight into my endlechi so, I would stick to my advice anything it can get in its mouth
Oh i guess mines a wimp then! she refuses to eat my spotted doras (very spikey) she tried once and failed.......ah well, mind ya i once knew a cat that took a bite out of a cactus!