Sylvain Cordier / Garfish / Sea needle (Belone belone), Eastern island, Midway Atoll National Wildlife Refuge, Hawaii

MYN / Andrew Snyder / Juvenile Bowfin (Amia calva) Water Valley, Mississippi, USA, April. Meetyourneighbours.net project

MYN / Andrew Snyder / Juvenile Bowfin (Amia calva) Water Valley, Mississippi, USA, April. Meetyourneighbours.net project

Hanne & Jens Eriksen / Western reef heron (Egretta gularis) with Sind Halfbeak fish prey, Oman, December

Juan Carlos Munoz / Spotted gar (Lepisosteus oculatus) Everglades National Park, Florida, USA, March.

Alex Mustard / Longnose gar (Lepisosteus osseus) swimming near aquatic plants in Rainbow River, Florida, USA.

Alex Mustard / Longnose gar (Lepisosteus osseus) in front of freshwater plants in Rainbow River, Florida, United States of America.

Alex Mustard / A longnose gar (Lepisosteus osseus) in front of freshwater plants in Rainbow River, Florida, USA.

Juergen Freund / Estuarine halfbeak (Zenarchopterus dispar) amongst shallow mangroves. North Raja Ampat, West Papua, Indonesia.

Juergen Freund / Estuarine halfbeak (Zenarchopterus dispar) and its reflection on the water surface. North Raja Ampat, West Papua, Indonesia.

Juergen Freund / Estuarine halfbeak (Zenarchopterus dispar) in shallow mangroves with reflection. North Raja Ampat, West Papua, Indonesia, February.

Juergen Freund / Estuarine halfbeak (Zenarchopterus dispar) amongst shallow mangroves with reflection. North Raja Ampat, West Papua, Indonesia.

Juergen Freund / Estuarine halfbeak (Zenarchopterus disper) amongst shallow mangroves with reflection. North Raja Ampat, West Papua, Indonesia.

Norbert Wu / Halfbeak (Hyporhamphus sp) school in Mangrove (Rhizophoraceae) forest, Raja Ampat Islands, Indonesia

Nature Production / Halfbeak fish {Hyporhamphus sajori} gathering on the water surface, Micronesia

David Fleetham / Acute halfbeak (Hyporhamphus acutus) shoal swimming beneath ocean surface near coast, Hawaii, Pacific Ocean.

Joel Sartore / Photo Ark / Spotted gar (Lepisosteus oculatus) close up of breathing and swimming, Gar Lab. Captive.

Joel Sartore / Photo Ark / Spotted gar (Lepisosteus oculatus) close up of head breathing, Nicholls State University. Captive.

Shane Gross / Halfbeak (Hemiramphidae) near mangroves at the surface, Palau.

Shane Gross / Halfbeak fish (Hemiramphidae) near the surface in Palau.