He already has the name. It's a spiney eel from freshwaters of Indonesia, Borneo and Myanmar. It has no other english common name other than 'spiney eel' but, it's malaysian common name is 'Tilan keloko'. Grows to about 21". Temp 72F-80F. pH neutral to alkaline. Diet: carnivorous - worms, small fish, insect larvae, shrimp, etc. Aquarium: rockwork, soft substrate for its digging habits, and tight lid. Moderate current as this is primarily a stream inhabitant.