Clymene dolphin (Stenella clymene) porpoising towards the photographer, showing characteristic black beak markings, Senegal, West Africa, Africa

Clymene dolphin (Stenella clymene) breaking the surface, showing characteristic markings on face and flanks, Senegal, West Africa, Africa

Clymene dolphin (Stenella clymene), Senegal, West Africa, Africa

Clymene dolphin (Stenella clymene) spinning, caught belly uppermost, Senegal, West Africa, Africa

Clymene dolphin (Stenella clymene) porpoising with water trailing its flanks, offshore Senegal, West Africa, Africa

Clymene dolphin mother and calf (Stenella clymene) leaping and showing distinctive tripartite colour pattern, Sao Tome and Principe, Africa

Pod of Clymene dolphins (Stenella clymene) porpoising offshore, Sao Tome, Sao Tome and Principe, Africa

Clymene dolphins (Stenella clymene) porpoising and showing distinctive tripartite colour pattern, Sao Tome and Principe, Africa