Poisson napoléon et carangue bleues en chasse, Fakarava

Napoleon wrasse jack fish convict tang spawning prey hunt procession gathering mating reproduction surgeon fish sperm releasing eggs mating shark frenzy grey eat pass undersea Fakarava Tetamanu ocean current school tropical Polynesia banc poisson chirurgien bagnard carangue chasse fraie sperme gamète laitance requins gris frénésie manger passe courant ocean Pacifique sous marin Polynésie group nager convict surgeon fish