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

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

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.

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

Alex Mustard / Wire coral goby (Bryaninops youngei) on yellow wire coral (Cirripathes anguina) The Alternatives, Sha'ab Mahmood, Sinai, Egypt. Red Sea.

Alex Mustard / Wire coral goby (Bryaninops youngei) on Yellow wire coral (Cirripathes anguina) The Alternatives, Sha'ab Mahmood, Sinai, Egypt. Red Sea.

Franco Banfi / Wire coral goby (Bryaninops yongei) on wire coral, Maldives, Indian Ocean

Solvin Zankl / Whip coral dwarf gobies with eggs on coral {Bryaninops youngei} Sulawesi

Solvin Zankl / Whip coral dwarf goby with copepod parasites {Bryaninops youngei} Sulawesi