Alex Mustard / Pygmy lemon gobies ( Lubricogobius exiguus) guarding their home in a glass bottle (backlit with a torch). Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical We...

Alex Mustard / Close up photo of a Glass goby (Coryphopterus hyalinus) on a coral reef. Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.

Alex Mustard / Pygmy lemon gobies (Lubricogobius exiguus) pair, guarding their home in a glass bottle, Batangas marine protected area, Luzon, Philippines, Verde Island Passages, Pacific Ocean.

Pascal Kobeh / Great barracuda (Sphyraena barracuda) on the reef with Jackfish (Caranx latus) and surrounded by Masked gobies (Coryphopterus personatus) or Glass gobies (Coryphopterus hyalinus), The Gardens of the Q...

Claudio Contreras / Glass goby (Coryphopterus hyalinus) Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico, Vulnerable.

Claudio Contreras / Glass goby (Coryphopterus hyalinus), Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.