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Flying fish

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The Exocoetidae are a family of saltwater, ray-finned fish within the order Beloniformes.

Flying Fish (PSF)
Flying Fish (PSF)

They are commonly known as flying fish or flying cod. While they do not fly like birds, they are famous for their ability to leap from the water. They use their long, wing-like paired fins as aerofoils to generate lift. This allows them to glide for long distances above the ocean surface. This behavior is primarily a defense mechanism to escape underwater predators. These predators include large fish like swordfish, tuna, mackerel, and marlin. However, gliding also carries risks, as aerial predators like frigatebirds may attack them in the air.

To achieve successful flight, the flying fish has a highly specialized anatomy. Their skeletal structure includes fully broadened neural arches. These arches serve as sturdy insertion sites for connective tissues and ligaments. This creates a strong, stable link between the cranium, or skull, and the vertebral column. A rigid vertebral column is essential because it provides an aerodynamic advantage. A stiff body allows the fish to increase its speed and improve its aim while gliding. They also possess an ossified caudal complex, which is a hardened tail structure. This provides the strength needed to lift their bodies out of the water.

Pink-wing flying fish
Pink-wing flying fish

There are different ways these fish manage their time in the air. A steady glide improves flight duration and keeps them above the water. An unsteady glide is less efficient and shortens the time they spend flying. To stay airborne longer, they can fly straight into or at an angle to updrafts. These are rising currents of air created by ocean currents and waves. Different genera of flying fish have different body shapes for different goals. The genus Exocoetus has streamlined bodies and one pair of fins to optimize for speed. In contrast, the genus Cypselurus has flattened bodies and two pairs of fins to maximize air time.

History shows that these fish have been studied for many different reasons. Scientists have found fossils of flying fish in Monte Bolca, Italy, from the Early Eocene. One fossil, Rhamphexocoetus, appears to be a transitional form between halfbeaks and modern flying fish. Between 1900 and the 1930s, researchers studied flying fish as models for developing airplanes. The name Exocoetidae itself has deep roots in Latin. It is a transliteration of an Ancient Greek name meaning "sleeping outside." This name came from the belief that these fish left the water to sleep on the shore, or perhaps they were found stranded in boats.

Flying fish are incredibly fast and capable of surprising feats. They can travel at speeds exceeding 37 miles per hour. While most flights are short, they can cover great distances by using wave updrafts. In May 2008, a Japanese film crew recorded a fish, nicknamed "Icarfish," staying in flight for 45 seconds. This broke the previous record of 42 seconds. They live in all the world's oceans, mostly in tropical and warm subtropical waters. They are typically found in the epipelagic zone, which is the top layer of the ocean down to a depth of about 200 meters.

Humanity has a long history of interacting with these fish through fishing and food. In Japan, they are commercially fished using gillnets. The fish is often dried to create dashi broth, a type of stock. The roe, or eggs, of the Japanese flying fish is used to make tobiko for sushi.

Makizushi
Makizushi

In the Solomon Islands, fishers use outrigger canoes and torches to catch them at night. In Indonesia, fishermen have used special sailing boats called patorani for centuries.

Flying fish for sale - Tokyo area Apr 11 2019 08-32 PM
Flying fish for sale - Tokyo area Apr 11 2019 08-32 PM

These fish are also a staple food for the Tao people of Orchid Island in Taiwan.

The flying fish holds immense cultural significance, especially in Barbados. Known as "the land of the flying fish," Barbados uses the fish as a national symbol. It appears on coins, sculptures, and even the official Barbados Tourism Authority logo. It is also a key ingredient in cou-cou and flying fish, the national dish.

However, the population has faced challenges. Overfishing and pollution from increased ship visits to Bridgetown Harbor have affected them. These changes caused the fish to migrate further away, now only moving as far north as Tobago. This has even led to maritime boundary disputes between Barbados and Trinidad and Tobago.

Fried flying fish, Kyotango
Fried flying fish, Kyotango
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🖼️ Images & Media (6)
File:Flying Fish (PSF).png
Flying Fish (PSF).png
File:Pink-wing flying fish.jpg
Pink-wing flying fish.jpg
File:Flying fish for sale - Tokyo area Apr 11 2019 08-32 PM.jpeg
Flying fish for sale - Tokyo area Apr 11...
File:Makizushi.jpg
Makizushi.jpg
File:Fried flying fish, Kyotango.jpg
Fried flying fish, Kyotango.jpg
File:Flying fish for sale in local fish market.jpg
Flying fish for sale in local fish market.jpg
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