(1) Nnukwu akụrụngwa akụrụngwa, ọtụtụ ntinye nke feeders, yana nkwụsi ike dị elu
(2) Substrate n'ibu n'ọnọdu + visual n'ọnọdu Mark point, elu nkenke
(3) Mgbanwe akara ngwa ngwa, ụdị dị iche iche nke ihe kwekọrọ
(4) Ọdịiche siri ike, onye na-enye nri nọọrọ onwe ya, dị mfe iji dochie ya
(5) Nri akpaaka nke akụrụngwa na nnukwu, teepu, tube na tray