Abstract: In this paper, a small robotic fish system with single joint caudal fin propulsion is designed and developed independently by imitating the tail fin swing mode of real fish in nature. It has ...

What most anglers never see happens below the surface. Territorial displays, color shifts, and precise movements signal spawning behavior. The rare footage captures a moment usually missed by human ...

Abstract: The fishing and aquaculture industries are significant food production areas, providing nutritional security, livelihood assistance, and meaningful employment to more than 14 million people.

He’d been observing the colony in the Espíritu Santo Marine Park when he noticed an unusual – and somewhat chilling – behaviour. “A sea lion was abusing and mauling a beautiful black guineafowl ...