'Unlike the shape of a dolphin's, this fin on most porpoises is triangular'
Dorsal fin
THE PORPOISE: Unlike the shape of a dolphins, this fin on most porpoises is triangular
Unlike the shape of a dolphin's, this fin on most porpoises is triangular
Unlike the shape of a dolphin's, this fin on most porpoises is triangular
THE PORPOISE
Dorsal fin
THE PORPOISE