Juergen Freund / Yellowtail fusilier (Caesio cuning) being cleaned by a Bluestreak cleaner wrasse (Labroides dimidiatus) Papua New Guinea.

Juergen Freund / Golden damselfish (Amblyglyphidodon aureus) tending eggs laid on a whip coral, West New Britain, Papua New Guinea.

Juergen Freund / Manta rays (Manta birostris) at cleaning station being cleaned by wrasses, Moluccas Islands, Indonesia.

Juergen Freund / Diver observing Coral razor / Shrimp fish (Aeoliscus strigatus) camouflaged amongst whip coral on coral reef, North Sulawesi, Indonesia. Model released.

Juergen Freund / Dusky garden eels (Heteroconger enigmaticus) feeding on sandy seabed, Indonesia.

Juergen Freund / Horsehoe crab (Tachypleus gigas) swimming on its back with gills creating the propulsion, Palawan, Philippines. Did you know? Horseshoe crabs are more closely related to spiders than crabs.

Juergen Freund / Coconut octopus / Veined octopus (Octopus marginatus) in its shell home. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Coconut octopus / Veined octopus (Octopus marginatus) in its shell home. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Humpback whale (Megaptera novaeangliae) turning underwater, off Tonga

Juergen Freund / Atlantic spotted dolphins {Stenella frontalis} riding on bow wave, Bahamas

Juergen Freund / Schooling blue and gold fusilers {Caesio teres}, Indo Pacific

Juergen Freund / Schooling blue and gold fusilers {Caesio teres}, Indo-Pacific