What Is a Blobfish – Facts About the Deep-Sea Creature (2024)

by Discover wildlife
blobfish

Deep within the ocean, there exists a creature so bizarrely grotesque that it is often called the “ugliest animal in the world.” The “Blobfish”. It has gained infamy for its appearance: strange and somewhat disturbing. But have you ever thought about why this deep-sea creature looks the way it does? Is it really as “ugly” as the internet says, or is it just misunderstood? In this paper, we are going to find the blobfish’s spectacular biology, examine its peculiar adaptation to life in deep sea, and reconsider that which has been called around its so-called “ugliness.”

What Does a Blobfish Look Like?

Blobfish, scientifically Psychrolutes marcidus, belongs to the fathead sculpin family. It is a fish native to the deep waters along Australia’s coast and Tasmania’s coast. Its most significant characteristic is its gelatinous appearance, almost resembling a pudding. But though the blobfish might resemble a bloated, frowning mass of goo when hauled out of its natural habitat, there is so much more to this marine marvel than meets the eye. But why does it look like that?

Blobfish

Blobfish

That weird look is actually a result of its extreme deep-sea environment. At depths of over 1,200 meters (about 4,000 feet), where the blobfish resides, the pressure is more than 100 times greater than what we experience on land. This immense pressure shapes the blobfish’s body. Its skin is soft, its bones are weak, and its structure is uniquely designed to survive in these crushing conditions. In fact, blobfish have no swim bladder, an organ many fish use to maintain buoyancy. Not needing to swim far or fast, blobfish are made for a life of stillness on the ocean floor.

Blobfish: The Pressure Master

You might ask what is so special about pressure in the deep sea. Imagine living in a world where the pressure is so intense that it would crush anything not adapted to it. If you were to dive down 4,000 feet without proper suit or submarine, your body would most probably implode. Not the blobfish. The blobfish doesn’t have any rigid structure in the body like any other fish but survives using waterlogged jelly-like tissue. This will let it withstand the great oceanic pressures without getting crushed under the weight of water on top.

In fact, the blobfish’s design is meant to thrive in its natural habitat. It is filled with a particular tissue that provides buoyancy and flexibility. Its body doesn’t need powerful bones and muscles because it stays on the floor of the sea for most of its life, with hardly any effort exerted. Instead, its body is set for low-energy living that it perfectly fits the needs of the life in the deep ocean.

Why Is the Blobfish “Ugly”?

In 2013, blobfish was declared world’s ugliest animal by contest run by the Ugly Animal Preservation Society. Since the goal was to raise the awareness among such species not so cute and cuddly as some of the other species were around, this society deemed fit to crown it as a champion. The irony of the award is that, though to us they seem ugly, the appearance of blobfish is a product of its adaptation to deep ocean life. This label of “ugly” is very subjective.

What one may regard as not so attractive may be quite fascinating or even beautiful for another. Take for example its appearance in its natural habitat. It is nothing like any other fish down there in the deep: greyish, a little spiky, but with not many distinguishing features. However, when it is brought to the surface, under all the changes of pressure that entails, it undergoes some kind of dramatic metamorphosis. The body, which has been soft and pliable under such extreme pressure, collapses into the gelatinous blob we recognize. This puts it squarely into the crosshairs for ridicule. However, who are we to say anything bad about the blobfish? Would we not laugh at a creature just acting on nature’s template to survive? Is it perhaps the case that what we think of as “ugly” is merely a byproduct of human interference?

What Happens to a Blobfish When it’s Brought to the Surface?

The saddest moments are, however, when by trawling fishermen bring the blobfish to the surface.

Since it is designed to live at extreme pressure, removal from its habitat negatively affects the appearance of its body. For instance, in shallow waters, the jelly-like body of this fish collapses in pressure and loses structure in its soft tissues. It, therefore, assumes the misshapen, “ugly” appearance that has led to it being ridiculed by humans. Well, interestingly, this isn’t the blobfish’s fault. It is just a victim of its environment. If you took any fish from such extreme depths and brought it to the surface, it would probably turn out like that.

ugly fish

ugly fish

This transformation makes it commit the error of anthropocentric thinking. Do we say that this animal should be judged by its look when it is out of its natural habitat? The blobfish has this look because of pressures it experiences at the bottom of the ocean, and not because it is inherently “ugly”.

The Blobfish’s Amazing Adjustments

Extreme Deep-Sea Pressure Adjustment

The blobfish has adjusted his body to withstand extreme pressures at the deep sea. Deep-sea pressure is about 100 times higher than we experience on land.

No Swim Bladder:

Blobfish do not have a swim bladder like most fish. A swim bladder is what helps other fish stay buoyant in the water, but in the deep sea, the pressure would crush any gas-filled organs. The blobfish avoids this problem because it does not have a swim bladder. This allows it to be able to survive in such crushing pressure.

Body of Gel:

Instead of having a swim bladder, the body of the blobfish is filled with a gel-like substance inside it. This gel-like content allows it to hold its form at deep-sea depths where few creatures can sustain life. It is mainly composed of water and fat, ideal for surviving near the sea floor.

Low Energy for Survival:

Blobfish is a non-active living organism that floats serenely above the ocean floor; thus, conserving energy. This makes it wait for food to come to it and hence the minimum movement is required to survive.

Short-Burst Swimming:

The blobfish swims with short bursts when the food is nearby. It uses white muscle fibres to push itself forward and this helps it catch its prey when it needs to. It only needs short periods of activity to feed, but the blobfish does not have to swim constantly as most other fish do.

These mutations have helped make the blobfish fantastically adapted to survive in this environment. Many marine animals would die very quickly in this environment.

What is Life Like for a Blobfish?

Life for a blobfish is very, very different from the active, racing lifestyles of many shallow fish. It spends most of its life not swimming in a school or darting back and forth through coral reef but lying dead on the ocean floor. Here, it can go about its business of survival without much effort. Blobfish have much white muscle fibres which enables them to make fast jerks of movement in order to catch their prey. But it does not need to swim for long time since its low-energy lifestyle suits the conditions of the deep ocean. Its diet is mostly composed of small invertebrates like crabs, mollusks, and sea worms.

ugly animals

ugly animals

Its soft and pliable body allows it to make easy movements across the sea floor, where its sensitive barbels detect the target prey. It feeds unusually, not by hunting or chasing down its food. Instead, the blobfish waits for small creatures floating within reach, which it would then grab with its soft mouth. This is the way to feed in an energy-conserving environment. 

The Importance of Blobfish in the Ecosystem: 

Despite its appearance, the blobfish plays a very important role in the marine ecosystem. The blobfish mainly lives off the coast of Australia. Their existence contributes to the balance of the food chain in deep waters. By feeding on small invertebrates, including crabs and shrimp, the blobfish helps regulate the population of these animals. It does that by using its soft body and lack of buoyancy which enables it to hover over the ocean floor, waiting to be fed. Such a feeding mechanism ensures that the blobfish can survive with minimal effort-as the slow currents work to bring food to it. 

As a recompense, the blobfish themselves become the preys of the bigger fishes and other sea animals. However, the fact that it is not impressive in shape has its advantages while it avoids the detection by its predators. The camouflage provided due to its similarity with the sea floor helps the blobfish hide from danger. Therefore, it silently contributes to the balance in the deep sea ecosystem.

Blobfish in Popular Culture and Conservation

The blobfish has become notorious over the years, not only for its “ugly” appearance but also for its status as an unlikely symbol of marine life conservation.

The Ugly Animal Preservation Society, which focuses on awareness of lesser-known but equally important species, chose the blobfish as its mascot in 2013. This was done to show the importance of protecting animals that may not be considered cute or charismatic but are just as important to biodiversity. Though it has a bad reputation, the blobfish is not listed as endangered at present.

Conversely, deep-sea habitats are threatened by practices such as trawling, pollution, and climate change. Such activities may interfere with the blobfish’s environment. Although the blobfish itself is not threatened, its environment may be. That is why conservation efforts of the marine do not only serve to conserve a species, such as the blobfish, but also that they ensure their environments are also healthy.

Are We Right to Call It Ugly Fish?

Blobfish

Blobfish

The blobfish was rated as one of the world’s most “ugly” creatures based on very shallow knowledge regarding its biology and environment. When the blobfish was taken from its natural habitats, it represented an appearance resulted from the human interference with pressure difference. In this case, the blobfish is one of the usual deep-sea members, appropriately adapted for this unique living style.

Instead of saying that the blobfish is ugly, perhaps we should be amazed at this wonderful creature that is well adapted to survive extreme conditions. The blobfish is not “ugly” because of bad design or failure to evolve; it is “ugly” because of how it has adapted to survive the crushing depths of the ocean.

Conclusion: 

The Blobfish Is a Deep-Sea Wonder. This is exactly what the blobfish teaches us: that beauty and ugliness are relative and a product of context. What does not look good in one environment may be just fine for another. For this particular fish, its jelly-like, floppy appearance is actually a masterpiece of evolution—design that lets it live in the harshest environments on Earth.

The next time you hear someone refer to the blobfish as “ugly,” consider this: Would you survive the crushing pressure of 4,000 feet of ocean water? Would you thrive in an environment where the only goal is to stay still, conserve energy, and survive on whatever comes your way? Blobfish have mastered this lifestyle, and that’s worth celebrating, not ridiculing.

The blobfish is not a tragic creature, but rather a wonder of deep-sea adaptation and survival. Let’s stop thinking it’s ugly and start acknowledging it for what it is: a unique, resilient marvel of the ocean.

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