Alex Mustard / Large whip goby (Bryaninops amplus) with a parasitic copepod (with two trailing egg ribbons) perched on Red whip coral. Whale Rock. Fiabacet Islands, Misool, Raja Ampat, West Papua, Indonesia. Ceram S...

Juergen Freund / Two whip coral gobies (Bryaninops yongei) on a black coral sea whip. Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Loki whip goby (Bryaninopss loki) on Sea pen (Virgularia gustaviana). Komodo National Park, Indonesia

Magnus Lundgren / Wild Wonders of China / Whip coral gobies, or wire-coral gobies (Bryaninops yongei) on a stinging whip coral. Xiaoliuqiu Island, Taiwan

Alex Mustard / Wire coral goby (Bryaninops yongei) with what looks like a fungal infection covering its body on a wire coral (Cirripathes sp.). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

David Fleetham / Slender spongegoby (Phyllogobius platycephalops) and two Crabs of different species on Sponge. Several parasites with egg cases on the side of the Goby. Philippines.

David Fleetham / Wire coral goby (Bryaninops yongei) with polyps extended on Wire coral (Cirrhipathes sp). Hawaii.

David Fleetham / Whip corl dwarf goby (Bryaninops yongei) has eaten away the polyps of Wire coral, (Cirrhipathes anguina) on which it lives, in preparation for laying its eggs on this section. Tubbataha Reef, Philippi...

David Fleetham / Parasitic Copepod (Copepoda) on Whip coral goby (Bryaninops amplus), on whip coral, (Junceella fragilis), Indonesia.

David Fleetham / Whip coral goby (Bryaninops amplus) on Whip coral (Ellisella sp). Komodo, Indonesia.

Franco Banfi / Goby (Bryaninops loki) pair on a Wire coral, My Paradise Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.

Bert Willaert / Wire coral goby (Bryaninops youngei) on yellow wire coral (Cirripathes anguina). Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea