Pascal Kobeh / Three Pygmy seahorses (Hippocampus bargibanti) on a Seafan / Gorgonian (Muricella sp) including one or several pregnant males. New Caledonia, Pacific Ocean

Pascal Kobeh / Four Pygmy seahorses (Hippocampus bargibanti) on a Seafan / Gorgonian (Muricella sp. ) including one or several pregnant males. New Caledonia, Pacific Ocean.

Alex Mustard / Pygmy seahorse (Hippocampus bargibanti) pregnant male in a Sea fan (Muricella sp.). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Georgette Douwma / Gorgonian sea fans (Acalycigorgia sp) on coral reef at Raja Ampat, West Papua, Indonesia.

Georgette Douwma / Gorgonian coral (Acanthogorgia sp.) Similan Islands, Andaman Sea, Thailand.

Richard Robinson / Brittle Star (Astroceras elegans) living in a symbiotic relationship on a Fiord Fan Coral (Acanthogorgia breviflora)in Dusky Sound, Fiordland National Park, New Zealand. April 2014.

Richard Robinson / Brittle Star (Astroceras elegans) living in a symbiotic relationship on a Fiord Fan Coral (Acanthogorgia breviflora)in Dusky Sound, Fiordland National Park, New Zealand. April 2014.

Solvin Zankl / Sea fan (Acanthogorgia sp) Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Franco Banfi / Gorgonian sea fan (Acalycigorgia sp.) Fiabajet delight, Fiabajet Island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Scuba diver and gorgonian sea fan (Acalycigorgia sp.) Fiabajet delight, Fiabajet Island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Rich reef with sea fans (Subergorgia mollis) and (Acalycigorgia sp.) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Gorgonian sea fan (Acalycigorgia sp.) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean