Claudio Contreras / Spotted drum fish (Equetus punctatus) Puerto Morelos National Park, Caribbean Sea, Mexico, February

Norbert Wu / Oarfish (Regalecus glesne) reach eight meters in length, Eastern Pacific

Claudio Contreras / Spotted drum fish (Equetus punctatus) Puerto Morelos National Park, Caribbean Sea, Mexico, February

Claudio Contreras / Spotted drum fish (Equetus punctatus) Puerto Morelos National Park, Caribbean Sea, Mexico, February

Norbert Wu / Scalloped Ribbonfish (Zu cristatus) grows to five feet long, Virgin Islands Deep Sea

Claudio Contreras / Spotted drum (Equetus punctatus) juvenile, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico, May

Sirachai Arunrugstichai / Largehead hairtails (Trichiurus lepturus) displayed for auction at Ranong fish landing site, Ranong Province, Thailand, January 2013.

Sirachai Arunrugstichai / Largehead hairtails (Trichiurus lepturus) displayed for auction at Ranong fish landing site, Ranong Province, Thailand, January 2013.

Alex Mustard / Portrait of a juvenile Spotted drum (Equetus punctatus). These species has spots as an adult Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.

Magnus Lundgren / Juvenile Scalloped ribbonfish (Zu cristatus) Balayan Bay, Batangas, the Philippines.

Magnus Lundgren / Scalloped ribbonfish (Zu cristatus) juvenile,Balayan Bay, Batangas, the Philippines.

Magnus Lundgren / Scalloped ribbonfish (Zu cristatus) juvenile,Balayan Bay, Batangas, the Philippines.