Thirty-three shark and twenty stingray species have been recorded swimming in seas around Greece in the last 90 years.

Abstract: A swimming robot with stingray-like propulsors was developed using twelve drives based on IPMC actuators and two tail fins. The propulsor consists of an active part (six polymer actuators ...

The objective of this work was to analyze the impact of different feeding frequencies on the growth and hematological parameters of freshwater fish species (tambaqui, Colossoma macropomum; matrinxã, ...