![]() Its discovery was almost a coincidence, since it was following animals that were trapped between the nets of fishermen.Ī very interesting fact is to know that the phenomenon of the transparent head of the Barreleye Fish is known only since 2004, the year in which a live specimen was photographed for the first time. The Barreleye Fish was discovered in 1939 by researcher William Chapman, although none specimen had ever been photographed alive. In some cases they can present photophores, which are organs inside the eyes, responsible for emitting light which allows them to attract their prey or keep predators away. The characteristic green pigment of their eyes and glasses is what allows them to filter the sunlight coming directly from the surface this way they can look up looking at the bioluminescent light produced by jellyfish and other aquatic creatures.īecause of the particular shape of their eyes resembling a barrel is that they are known as «barreleye.» We invite you to read our article mantish shrimps to learn about other creature with interesting visions kills. Their eyes are very sensitive to light measuring about 2 centimeters in length. Over the tubular eyes you can see some glasses, which are the lenses and fulfill the function of allowing the greatest possible absorption of light that comes from the surface. Its greater field of vision allows it to expand its defense skills against predators and improve the offensive towards its prey, as well as to l ook straight ahead at the ones it’s eating. If they try to look up they can rotate their eyes to an angle of 75 degrees.Īnother curious fact about their eyes is that they allow the animal a three-dimensional vision in the space it occupies. This gives a peripheral view with a very wide range of vision, unlike other fish with tubular eyes that remain fixed inside the skull.So the Barreleye Fish has an advantage over the other animals. The Barreleye Fishes’ eyes are organs similar to green tubes located inside their skull, which being transparent allows them to see through it.īut this is not all, not only their eyes are strange, it’s that the Barreleye Fish has the particularity that can move them in all directions: forward, backward and sideways. The Barreleye Fish’ EyesĪlthough at first glance it seems that their eyes are at the front of their head in the form of two black holes, this is false. We invite you to read our article the anatomy of fish to learn more about this interesting topic. This is because it’s their food and has developed this shield to protect themselves from them. On the contrary, it has a shield on its head that allows it to withstand the poison that jellyfish give off. Once they have detected their food, they pounce on it at high speed using their pectoral fins.ĭespite being transparent, their head is not uncovered before their predators. ![]() ![]() This ability is used to stalk their prey with great stealth before eating them. They are quite long and flat and thanks to them they can remain still for a long time. Their evolutionary process hasn’t made them develop a larger mouth since they don’t need it.Īs for their pectoral fins they are located in a lower area since they don’t on the sides. Their mouth is quite small since it’s used to ingest smaller prey. It’s as if we wanted to see through a glass that has been under water for a while and we find it on the shore of the beach. However, from the tail we cannot observe its internal organs since it’s not completely transparent, but rather translucent. As for its color, it’s magenta gray with a tail also transparent as the head. Moreover, Macropinna microstoma has quite long and V-shaped scales. The rest of their body is quite common to the rest of the other fish. If you look closely, you can see the entire inner part through it, that is, their eyes, brain and all the nerve endings that make up their head. Their most outstanding trait’s its dome-shaped head that is transparent on the top since it’s filled with a transparent liquid. The Barreleye Fish has one of the most unusual appearances among deep sea creatures. This the only species of the genus Macropinna, having the scientific name Macropinna microstoma, belonging to the Opisthoproctidae family. Barreleye Fish : General Characteristics □
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