that sucks. how bigs the bichir? the bigger he is, the better chance he has of getting around. this sis bad, but the worst is over, so there is no need to uthanise it. has the bicher ever taken food out of your hand? He still has his sence of smell, and lateral line. the best set-up now, would probaby non-aggressive, too large to swallow fish, like silver dollars, grown sevrums and such. You will probaby have to hand feed it alot, or choose a familar spot, rubber band some food to that spot, and put it in the sellected spot. in time, it will learn to remember