Georgette Douwma / Clown anemonefish (Amphiprion percula) amongst tentacles of a blue variety of anemone (Stichodactyla gigantea) Raja Ampat, West Papua, Indonesia.

Constantinos Petrinos / Saddleback anemonefish (Amphiprion polymnus) with its host sea anemone (Stichodactyla haddoni) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Saddleback anemonefish (Amphiprion polymnus) with its host sea anemone (Stichodactyla haddoni) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Saddleback anemonefish (Amphiprion polymnus) with its host sea anemone Stichodactyla haddoni. Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Painted sweetlips (Diagramma pictum) juveniles sheltering over Haddon's carpet anemone (Stichodactyla haddoni) Lembeh, North Sulawesi, Indonesia.

Alex Mustard / Orange anemonefish (Amphiprion sandaracinos) in its host Mertens' carpet sea anemone (Stichodactyla mertensii). Mabul Island, Sabah, Borneo, Malaysia. Celebes Sea / Sulawesi Sea.

Pascal Kobeh / Saddleback anemonefish (Amphiprion polymnus) ventilating eggs near Haddon's anemone (Stichodactyla haddoni), Pacific Ocean, Papua New Guinea. Small reproduction only

Pascal Kobeh / Diver on top of a coral reef with Orange anemonefish (Amphiprion sandaracinos) in a Merten's sea anemone (Stichodactyla mertensii) and a Pink anemonefish (Amphiprion perideraion). It is rare to see di...

Pascal Kobeh / Coral drop off with hard corals (Porites) and jewel fairy basslets (Pseudanthias squamipinnis) and two-band anemonefish (Amphiprion bicinctus) in a Mertens' sea anemone (Stichodactyla mertensii) Sudan...

Pascal Kobeh / Saddleback anemonefish (Amphiprion polymnus) ventilating its eggs near a Haddon's sea anemone (Stichodactyla haddoni), Manado, Indonesia. Sulawesi Sea.

Pete Oxford / Sea Anemone (Stichodactyla sp) tentacles, Fiji

Norbert Wu / Saddleback Anemonefish (Amphiprion polymnus) pair and fish school gathering near Haddon's Sea Anemone (Stichodactyla haddoni) for protection, Bali, Indonesia

Christian Ziegler / Sun Anemone (Stichodactyla helianthus) on mangrove roots which also provide shelter for young fish, Bastimentos Marine National Park, Bocas del Toro, Panama

Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots provide space for Sun Anemones (Stichodactyla helianthus) and act as a shelter for small fish, Bastimentos Marine National Park, Bocas del Toro, Panama

Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots provide space for Sun Anemones (Stichodactyla helianthus), Bastimentos Marine National Park, Bocas del Toro, Panama

Birgitte Wilms / Anemonefish (Amphiprion sp) in Sea Anemone (Stichodactyla gigantea), Papua New Guinea

GEORGETTE DOUWMA / Clown anemonefish (Amphiprion percula) amongst tentacles of a blue variety of anemone (Stichodactyla gigantea) Raja Ampat, West Papua, Indonesia.

GEORGETTE DOUWMA / Clown anemonefish (Amphiprion percula) amongst tentacles of a blue variety of anemone (Stichodactyla gigantea) Raja Ampat, West Papua, Indonesia.

Doug Perrine / Saddleback anemonefish {Amphiprion polymnus} on anemone {Stichodactyla haddoni} Vitu Is, Papua New Guinea

Chris Newbert / Spotted Anemone Crab (Neopetrolisthes maculatus) on Anemone mantle (Stichodactyla sp) feeding on plankton with feather net arms, 70 feet deep, Solomon Islands

Birgitte Wilms / Haddon's Sea Anemone (Stichodactyla haddoni) 110 feet deep, a common host for Anemone Fish, Solomon Islands

Chris Newbert / Spotted Anemone Crab (Neopetrolisthes maculatus) female on her Anemone home (Stichodactyla mertensii) feeding on plankton with her feather net arms, with eggs held in brood pouch formed by tail, 50 fe...

Chris Newbert / Spotted Anemone Crab (Neopetrolisthes maculatus) female on her Anemone home (Stichodactyla mertensii) feeding on plankton with her feather net arms, with eggs held in brood pouch formed by tail, 50 fe...

Chris Newbert / Spotted Anemone Crab (Neopetrolisthes maculatus) female on her Anemone home (Stichodactyla mertensii) feeding on plankton with her feather net arms, with eggs held in brood pouch formed by tail, 50 fe...

Birgitte Wilms / Spotted Anemone Crab (Neopetrolisthes maculatus) female on Anemone (Stichodactyla mertensii) home with eggs held in brood pouch formed by tail, feeding on plankton with her feather net arms, Solomon I...

Fred Bavendam / Saddleback Anemonefish (Amphiprion polymnus) living with Haddon's Sea Anemone (Stichodactyla haddoni) note Red Anemonefish eggs on rock in front of Sea Anemone, Papua New Guinea

Jeff Rotman / Two-bar anemonefish {Amphiprion bicinctus} rests in Giant sea anemone. Red Sea.

Gary Bell/ Oceanwide / Blackfinned Clownfish (Amphiprion percula) trio in Sea Anemone (Stichodactyla gigantea), Great Barrier Reef, Australia

David Fleetham / Orange-fin anemonefish (Amphiprion chrysopterus), tending its egg mass underneath an anemone (Stichodactyla mertensii), Fiji.

Pete Oxford / Anemonefish (Amphiprion sp) juvenile in Anemone (Stichodactyla sp) tentacles, Banda Sea, Indonesia

Pete Oxford / Anemone (Stichodactyla sp) moving in current, Fiji

GEORGETTE DOUWMA / Bleached Carpet sea anemone {Stichodactyla mertensii} Anemone fish. Maldives

Constantinos Petrinos / Black melanistic Spine cheeked anemonefish living in Haddons sea anemone. Sulawesi Indonesia

Carine Schrurs / Saddleback anemonefish {Amphiprion polymnus} in Haddon sea anemone. Philippines Anilao

Constantinos Petrinos / Spine cheeked anemonefish living in Haddons sea anemone. Sulawesi Indonesia {Amphiprion

Constantinos Petrinos / Black melanistic Spine cheeked anemonefish living in Haddons sea anemone. Sulawesi Indonesia

David Fleetham / Clark's anemonefish (Amphiprion clarkii) female aerating egg mass beside Mertens' carpet sea anemone (Stichodactyla mertensii), Yap, Federated States of Micronesia, Pacific Ocean.

David Fleetham / Clark's anemonefish (Amphiprion clarkii) hiding amongst tentacles of Merten's carpet sea anemone (Stichodactyla mertensii), Yap, Micronesia, Pacific Ocean.

David Fleetham / Clark's anemonefish (Amphiprion clarkii) swimming above Mertens' carpet sea anemone (Stichodactyla mertensii), Yap, Micronesia, Pacific Ocean.

David Fleetham / Three spot damselfish (Dascyllus trimaculatus) juvenile, swimming beside Mertens' carpet sea anemone (Stichodactyla mertensii) for protection, Yap, Micronesia, Pacific Ocean. Fish loses immunity...

David Fleetham / Clark's anemonefish (Amphiprion clarkii) living in Merten's' carpet sea anemone (Stichodactyla mertensii) with two Three spot damselfish (Dascyllus trimaculatus) juveniles, Yap, Microne...

Jacob Guy / Clown fish (Amphiprion sp.) swimming in Carpet anemone (Stichodactyla gigantea), Lembeh Strait, Indonesia.

Magnus Lundgren / Skunk anemonefish (Amphiprion akallopisos) hiding in a large Carpet anemone (Stichodactyla sp.), Raja Ampat, West Papau, Indonesia, Pacific Ocean.

Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) barks a warning as it guards a clutch of developing eggs (beneath it) laid on a small stone, below a fold in its home, a Haddon's sea anemone (Stichoda...

Frederique Olivier / Orange clownfish (Amphiprion percula) around a Haddon's sea anemone (Stichodactyla haddoni), Marovo Lagoon, Solomon Islands.

Frederique Olivier / Orange clownfish (Amphiprion percula) living in association with a Haddon's sea anemone (Stichodactyla haddoni), Marovo Lagoon, Solomon Islands.

Frederique Olivier / Orange clownfish (Amphiprion percula) living in association with a Haddon's sea anemone (Stichodactyla haddoni), Marovo Lagoon, Solomon Islands.

Frederique Olivier / Clark's anemonefish (Amphiprion clarkii) and Three spot damselfish (Dascyllus trimaculatus) swimming around anemone (Stichodactyla), Nusatupe Lagoon, Solomon Islands.