Won pelo Ajesara jedojedo B ti o wa bayi nipa ona tabi ogbon recombinant DNA.. 
Ìrísí wọn dàbí ti smelts (ẹbí Osmeridae) ṣùgbọ́n ẹnu won kéré díẹ̀.Wọ́n maa ń rí wọn nínú òkun káàkiri gbogbo agbaye.. 