10 Most Unique and Unusual Fish in the World

Whether it is an ocean, sea, river or lake – the water depths are full of unknown and interesting things. No matter how actively the aquatic environment is studied by modern scientists, many of its inhabitants still remain a great mystery for humanity and amaze us with their unusual appearance. We present to your attention the rating the most unusual fish in the world with photos and description.

10. Leafy Sea Dragon

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The first question that most readers will have is what is it? The leafy sea dragon belongs to the seahorse family. It is also called a ragfish because of its unusual body, which really does resemble a rag. However, it also resembles a dragon due to its curvature.

The leaf dragon is a completely harmless animal - the most it can do is hide in the algae and disguise itself as them. The unusualness of one of the most beautiful fish in the world is also due to its diet - the "dragon" simply sucks in all the small fish and shrimp around itself, so various algae and even garbage often end up in its mouth.

9. Largemouth or pelican fish

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Another mysterious creature in our rating is the pelican fish. Its name is explained by its huge stretchable throat, more reminiscent of a pelican's beak pouch. This fish is unusual in that, unlike most of its relatives, it has no scales, swimming fin, or bony skeleton.

The body of the bigmouth is held together by cartilage and two deformed bones, so it looks more like a snake's body. It is worth noting that despite their decent size, these fish are very light.

8. Barrel-eye

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This strange fish with a transparent head has been little studied to date, which is why it is of great interest. Any attempts by scientists to get the barrel-eye out of the water ended in failure - the fish head simply burst upon contact with air. However, thanks to deep-sea vehicles, it was still possible to draw some conclusions about the characteristics of this fish.

Barrel-eyes are very sedentary and can "freeze" in one place for a long time. Their eyes are located inside the head and allow them to see everything that is above the fish, even when it is swimming horizontally. This unusual eye structure is of great help to them when hunting.

7. Goliath Tigerfish

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As you may have already guessed, this unusual fish got its name due to its gigantic size, which the great warrior Goliath was famous for. Why tiger - because on the sides of its body there are large dark stripes.

The goliath fish is one of the most dangerous predators of the Congo River. In terms of bloodthirstiness, it can be compared to piranhas. It can also attack people, and sometimes even crocodiles. In Africa, fishing for this fish is extremely popular among locals.

6. Blobfish

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The blobfish is very strange in its appearance and one of the most unusual animals on the planet. It can be said that it does not look like a fish at all. It is called a blob because of the bizarre "drop" shape of its body, sad eyes and large hanging nose.

The color of this fish changes depending on the environmental conditions in which it lives. It mostly hides in corals or slowly moves along the bottom on its two fins. By the way, blobfish can be very heavy and gain up to 10 kilograms.

5. Black dragon fish

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Despite its small size, the black dragon fish is a fierce deep-sea predator. It has an elongated, curved body and sharp teeth. The peculiarity of this fish is that it has a source of red light under its eyes, which perfectly illuminates its path in the dark ocean waters.

Deep-sea fish often have photophores on their bodies, and the dragonfish is no exception. The males use their glow to attract females during mating season, and the glowing appendage under the lower jaw is an excellent lure for prey.

4. Silver Locomotive Fish

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This strange fish is a type of fugu fish, the most poisonous creatures on the planet. The thing is that its skin and all reproductive organs contain a highly toxic poison that can poison not only humans, but also the creatures around it.

Any contact with this fish results in complete paralysis of all organs and, as a result, death from suffocation. The Silver Locomotive Fish is a huge danger today - due to global warming, it has reached the Red and Mediterranean Seas from the Pacific Ocean and is actively "colonizing" new territories.

3. Tripod fish

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This fish really does resemble a tripod, so its name is absolutely justified. With a relatively small body, the "tripod" has long rays, reaching more than a meter in length. Long fins allow it to firmly hold on to the bottom even against the current, and also act as tentacles: the fish easily reaches its prey with them.

Interesting fact: The tripod fish is a hermaphrodite. If an individual does not find a partner for mating, it will lay eggs on its own. There are not many species of animals in the world that are capable of immaculate conception.

2. Anabas fish

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Unlike the previous participants in the rating, Anabas does not have an unusual appearance: it does not glow in the dark and does not have meter-long fins. However, it can rightfully be called one of the strangest and most unusual fish in the world. The thing is, this fish simply loves... to climb trees.

Hard fins with hard scales on land function as legs and allow Anabas to climb rocks and trees. Anabas lives in fresh water: it settles in rivers, small lakes and, as wild as it may sound, in rice fields.

1. Psychedelic Frogfish

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The most unusual feature of this fish is its style of movement. Like a jet engine, it inflates and pushes water through its gills with all its might. In this way, it resembles a frog jumping along the ocean floor, or a tennis ball. It also has paws, which also help it move along the bottom.

The Psychedelic Fish has no scales, so it protects itself from scratches by covering its entire body with thick mucus. Another unusual distinguishing feature of this mysterious creature is its bright striped coloring.