Puffer's tail
( Arothron diadematus )
When an arothron swims, unlike fast fish it doesn't wave its body. It also doesn't use its tail. Sometimes arothron curves its tail like at this photo, then it swims using only pectoral fins.
( Arothron diadematus )
When an arothron swims, unlike fast fish it doesn't wave its body. It also doesn't use its tail. Sometimes arothron curves its tail like at this photo, then it swims using only pectoral fins.