Originally Posted by Bichir Bro
Well define "small". When they start getting older in life yes they will snag Neon Tetras and other fish of that size but Delhezi's are good about keeping to themselves, It's other Bichirs they aren't fond of. Your Snydontis(s) and Pleco will be fine even when he's full grown. I know the Green Phantoms and their size potential so I see no problem arising with them. The Syno's are for sure too big for his interest.
Delhezi is probably my favorite specie of Bichir and your lovely specimen is making me want to get one again!
I have some 'beautiful' fish, some 'charismatic' fish and some that look great as a shoal, but the birchir definately falls into the 'fasinating' category. Very pleased with him. The smallest fish in there are some Bentosi tetras just over an inch but i would imagine their body shape would mean they would be safe. I'll try to get some better pics of it.
Many of the other fish you mention are in other tanks.