Juergen Freund / Massive barrel sponge (Xestospongia testudinaria) and diver. Tubbataha Reef National Marine Park, Palawan, Philippines, April 2009. Model released.

Juergen Freund / Diver watching a swimming Dugong (Dugong dugon). Dimakya Island, Palawan, Philippines, April 2010.

Juergen Freund / Yellow ribbon eel / Ribbon moray eel (Rhinomuraena quaesita). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Dugong (Dugong dugon) feeding in the seagrass bed with trevally fish inspecting the disturbed sand. Dimakya Island, Palawan, Philippines

Juergen Freund / Red jellyfish floating in water, food of the Leatherback turtles, Philippines.

Juergen Freund / Longspine waspfish (Paracentropogon longispinus). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Dorid nudibranch, Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Dugong (Dugong dugon) feeding in the seagrass bed shadowed by a trevally. Dimakya Island, Palawan, Philippines.

Juergen Freund / Juvenile Slender / Longtail seamoth (Pegasus volitans) on the sandy seabed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Dugong (Dugong dugon) feeding in the seagrass bed shadowed by a trevally. Dimakya Island, Palawan, Philippines.

Juergen Freund / two Purple edged ceratosoma nudibranchs (Ceratosoma teneu). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Dugong (Dugong dugon) feeding in the seagrass bed shadowed by a trevally. Dimakya Island, Palawan, Philippines.

Juergen Freund / Nudibranch (Hypselodoris / Chromodoris bullocki) laying eggs with two aeolid nudibranchs feeding on the eggs. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Dugong (Dugong dugon) feeding in the seagrass bed shadowed by a trevally. Dimakya Island, Palawan, Philippines.

Juergen Freund / Cockatoo waspfish (Ablabys taenianotus) on the sandy sea bed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Paddle-flap Scorpionfish (Rhinopias eschmeyeri). resting on seabed, Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spider crabs (two species of Achaeus sp). Lembeh Strait, North Sulawesi

Juergen Freund / Nudibranch (Halgerda malesso) on the sea bed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Diamond filefish (Rudarius excelsus) Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Mass of spawn on an infaunal Head-shield slug (Philine sp). Philinids live in clean sand where they ingest bivalves with their radula and crush them with their massive gizzard plates. Lembeh Strait, N...

Juergen Freund / Ornate ghost pipefish (Solenostomus paradoxus) on pink coral. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Red jellyfish floating in water, food of the Leatherback turtles, Philippines.

Juergen Freund / Humpback / Devil scorpionfish (Scorpaenopsis diabolus) on the sand. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Purple edged ceratosoma nudibranch (Ceratosoma teneu) Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spider crab (Achaeus sp) Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Nudibranch (Chromodoris fidelis). Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Aeolid nudibranch (Flabellina rubrolineata) laying its eggs. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Yellow-margined / Yellow edged moray eel (Gymnothorax flavimarginatus) in a sponge. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Purple edged ceratosoma nudibranch (Ceratosoma teneu) Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Leaf scorpionfish (Taenianotus triacanthus) on a coral. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) on the sandy sea bed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Splendid dottyback fish (Pseudochromis splendens) North Raja Ampat, West Papua, Indonesia

Juergen Freund / Doublebar / Two barred goatfish (Parupeneus bifasciatus) in the reef. Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Tozeuma / Black coral shrimp (Tozeuma armatum) upright on coral. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Two spot maori wrasse (Oxycheilinus bimaculatus). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Black coral shrimps (Periclimenes psamathe) on coral, North Raja Ampat, West Papua, Indonesia

Juergen Freund / Threadfin sand diver (Trichonotus elegans) swimming over seabed, Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Whitemargin stargazer (Uranoscopus sulphureus) partly buried in the sand. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Aeolid nudibranch (Flabellina rubrolineata) right before laying its eggs. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Slender pipefish (Trachyrhamphus longirostris) head portrait, Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Slender pipefish (Trachyrhamphus longirostris) on rubble on seabed, Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Large Nudibranch (Dendrodoris tuberculosa) on the reef. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny sea star (Gomophia egeriae) on the seabed with cushionstar in background, Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Yellow Lacy / Weedy scorpionfish (Rhinopias aphanes) on the sea bed. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Oriental flying gurnard (Dactyloptena orientalis) gliding above the sea bed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Prickly Sea Cucumber (Bohadschia graeffei) feeding on seabed, Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Green sea turtle (Chelonia mydas) head portrait, Sipadan Island, Semporna, Sabah, Malaysia, June

Juergen Freund / Tourist relaxing in shallow sea, with people on beach, Philippines

Juergen Freund / Split level of snorkler diving over coral reef near island, Palawan, Phillippines

Juergen Freund / Nudibranch (Chromadoris bullocki) Indo-Pacific

David Hall / Ghost pipefish, Indonesia (Solenostomus cyanopterus)

Juergen Freund / Starfish on sponge, South Pacific, Philippines.