Shane P. White / Tourists on boat in tropics, Cadlao Island, Philippines

Juergen Freund / School of Yellow line scads (Selaroides leptolepis). Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / School of Yellow line scads (Selaroides leptolepis). Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Portugese man-of-war / Blue Bottle {Physalia physalis}, Indo-pacific

Juergen Freund / Portugese man-of-war / Blue Bottle {Physalia physalis} split level showing float and tentacles, Indo-pacific

Juergen Freund / Close up of tentacles of Portugese man-of-war / Blue Bottle {Physalia physalis}, Indo-pacific