Scientific name Hyalinobatrachium valerioi. The Reticulated Glass Frogs is a small frog, usually around a quarter.

They are found in parts of South America and the reason why they got their name is because of their translucent underside.

Chaetognaths or also known as arrow worms may range from 1 m – 12 cm in length.

They are typically transparent but some deep-water species may differ in color.

Their common name – arrow worms is from their streamlined appearance along with their lateral fins and a single caudal fin that serves as its tail.

This amazing translucent shrimp-like creature was actually discovered by a fisherman from New Zealand.

Scientists are suggesting that this transparent animal may belong or rather a specie of planktonic tunicate.

It’s amazing how you can see everything inside this amazing Salpa Maggiore!

Did you know that the Icefish dominate the Antartic waters? They can be described as pale and mostly have translucent skin.

The Antarctic icefish are so well-adapted to the cold waters that they have developed an antifreeze glycoprotein in their blood. This stops their body fluids from freezing.

The La Palma Glass Frog or scientifically known as the Hyalinobatrachium valerioi is found in central Costa Rica and even in the Pacific lowlands to the slopes of western Colombia.

Their heart is covered with white tissue and is not visible. However, their ventral surface is translucent.

The Barton Spring Salamander is a rare specie indeed. They live in the fresh waters of the Barton Springs in Texas. What’s amazing is that these salamanders don’t have lungs!

The almost transparent skin gives them a rare albino-like look and you can even get a glimpse of their internal organs. If you look closely, you can even see that they ate the previous day!

The Pacific Barreleye is such an amazing creature. Do you see those 2 black things that appear to be the eyes? Those are actually nostrils.

If you are wondering, the Pacific Barreleye’s eyes sits quietly inside that transparent dome. Those 2 green barrelleyes are actually sensory organs!

The cave crayfish is a small, transparent to white obligate cave-dwelling crayfish. Its body length has been measured to reach up to 1.8 in (4.6 cm).

The cave crayfish has no pigment thus the translucent appearance. It also has reduced eyes.

The Phronima Sedentaria is one of the most well-known amphipods in the plankton family. Overtime, these amphipods were able to adapt to the pelagic realm.
They are completely transparent and they live in the deep ocean. Sadly, it’s already an endangered specie.

Because of the photographer’s strobe, there is a hint of violet sheen to this and adorable Juvenile Cowfish.

This Juvenile Roundbelly Cowfish or also known as the Transparent Boxfish is usually found off the coast of Kona, Hawaii. It has distinct two short horns in front of its eyes.

This amazing animal is rarely seen. The Pelagic Octopus is a deep sea creature and what’s amazing is that it’s almost completely transparent! Only a few vital pieces of this octopus are not translucent such as its eyes and the intestinal tract.

This amazing Glasswing Butterfly or known scientifically as the Greta Oto is a brush-footed butterfly.

If you’re wondering about how its wings became transparent, it’s because of 3 things.

– low absorption of visible light

– low scattering of the light passing through its wings

– low reflection of the light imringing on the surface of its wings.

They can mostly be found from Central to South America and can even reach out as far as Chile.

This flounder is still in its larval state that’s why it’s transparent. Did you know that Flounders are usually found lying on the bottom of ocean floors?
They actually do this so they can camouflage to hide from predators.

Looks like something out of a sci-fi movie but this Ancistrocheirus lesueurii or Juvenile sharpear enope squid is real. It’s translucent body is covered with pigmented polka dots.

Below its eyes are actually bio-luminescent organs which are so amazing! They can be found in the tropical and subtropical oceans in depths between 200-1000 meters

The Golden Tortoise Beetle or scientifically known as the Aspidomorpha sanctaecrucis grows around 10mm total large to 14mm.

It has a golden reflection in the discs of the elytra and prothorax and transparent at sides. Its rounded shield covers the legs and head and shows that prominent tip at the center of the shield.

This amazing sea creature known as the Hydromedusa belongs to the genus Crossota.

Did you know that they have two sets of tentacles — short and long?

Within the Hydromedusa’s bell is the radial canals in red that connects the points for what looks like the gonads in bright yellow.

As it’s obvious why it’s called the Ghost Shrimp, this stunning creature can be found in rivers and lakes all over the world!

What’s amazing is that it’s completely transparent so you can actually see the food inside its stomach after each meal!

The transparent Juvenile Surgeonfish are found in a wide range of waters. Did you know that they belong to the same species of fish as the Pacific Blue Tang?

Yep, that’s the Dory that we love from Finding Nemo. They can grow up to 30 cm and are quite popular aquarium fish.

Parambassis ranga or commonly known as the Indian Glass Fish got its name from its translucent body.

Did you know that the Glassfish are a schooling fish? They prefer to be kept in groups of five or more!

Though it’s possible to be kept in smaller numbers, they would still rather be shy and will spend much of their time hiding.

The Sea Butterfly Snailc is also known as Limacina helicina.

Its shell measures around 1 to 4 millimeters (0.04 to 0.16 inches) in diameter.

It navigates the cold ocean waters in the northern Atlantic and Pacific and swims using a pair of winglike appendages. Once threatened, it can retract these into its shell.

Did you know that this transparent snail has just been discovered? It has a very beautiful transparent shell and can be found in Croatia.

They are minuscule but they do have the ability to move but they are mostly attached to larger animals.

Scientist Mohamed Babu from Mysore, India did an experiment and captured this beautiful photo. These Translucent Pharaoh Ants are eating a specially colored liquid sugar.

As you can see, since they are translucent, you can see the color of the liquid that they ate.

Did you know that European Eels change colors several times throughout their lives?

They start off as transparent but turn brownish-yellow on their sides and belly.

In a few years, the eels become sexually mature so their appearance change as well. Their eyes grow larger and their flanks become silver.

Did you know that there are more than 10,000 known species of Bristleworms?

This translucent Bristleworm can be found in Antarctica’s Weddell Sea.

This marine worm is a predator and has a mouth shaped like a trumpet. Amazing, right?

Zooplankton is actually a common name given to many small species of animals that are usually found in fresh and marine waters.

Did you know that the word zooplankton was derived from Greek, means “wandering animals”?

The Comb Jelly or scientifically known as the Euplokamis Dunlapae grows at a maximum of 2 cm.

It can be distinguished from other goose berries by its branched tentacles. These branches are usually coiled up to form small lumps.

The Comb Jelly’s oval body is transparent, though maybe slightly colored by a red pigment.

Meet the Turritopsis dohrnii or commonly known as the Immortal Jellyfish. Theoretically, it’s one of the species on Earth which can live or rather last an eternal life.

It’s tiny, beautiful, transparent jellyfish that is originally found in the Mediterranean Sea and in the waters of Japan.

The Ocythoe tuberculata or commonly known as the Tuberculate Pelagic Octopus is found in the waters of Hawaii.

They are stunning and like most octopuses, they don’t have any skeleton!

The female Tuberculate Pelagic Octopus can grow up to three feet long!

The Translucent Leaf Scorpionfish or Taenianotus triacanthus lacks any other defense other than its transparency.

In fact, many larval fish have adapted transparency as a method of camouflage. Quite fascinating!

This glass squid belongs to the family Cranchiidae, they are also known by the name cranch squids.

These amazingly strange and flashy creatures are characterized by having bulging eyes, a swollen body and short arms!

These are cute little Costa Rican Tadpoles. Did you know that those swirls you can see on their bellies are actually their coiled intestines?

This iridescent flatfish is actually a member of the ray-finned demersal fish order Pleuronectiformes.

They are also known as the Heterosomata.

In many of these species, both eyes lie on one side of the head. Fascinating!

Did you know that the larvae of the Deep Sea Anglerfish has a transparent, almost jelly-like skin?

The color that they have shows up when they are old enough. Only then do they also get the “lure” at the front of its head and the fang-like teeth that Anglerfish are famous for.

The Portuguese man o’ war or scientifically known as the Physalia physalis is not actually a jellyfish?

It has long tentacles, stings extremely painful and poisonous, also lethal to both fish and humans.

The Portuguese man o’ war got its name from its strange look.

This Transparent Spoke Anemone is sometimes seen on shores. It’s shy and retracts rapidly into the sand when it feels threatened.

When in shore, you won’t even recognize the anemone because of its camouflage. Under the sea, it looks like a masterpiece.

This may look like a marble ball but it’s not. This cute creature is actually real and alive. It’s called Pleurobrachia Pileus or simply the “Sea Gooseberry”.

Even its name is too cute! It can grow up to 2.5 cm big and is actually a part of the comb jelly family and lives in the open waters.

What is a Salp?

A Salp is actually barrel-shaped, planktonic tunicate. Now, how it moves is actually pretty cool as it does it by contracting and pumping water through its gelatinous body.

The Sea Salp’s jet propulsion is one of the most efficient and most beautiful in the animal kingdom.

This is not a glass figurine or a toy made of plastic. It’s actually the Acraga coa or commonly known as Translucent Jewel Caterpillar.

Scientists have actually identified around 84 different species of Dalceridae moths! Their larvae are sometimes called “slug caterpillars” because they are so gooey.

This particular beauty was spotted by Gerardo Aizpuru, a Scuba instructor and amateur wildlife photographer.

The Amphipod Cystisoma Neptuni is an Amphipod creature from the deep sea.

It has a beautiful translucent body and seems to be made from very thin plastic.

Its camouflaged body actually protects it from predators. In fact, it’s camouflage capabilities are so good that it can only be seen in pictures because of the flash of the camera.

Gaeotis flavolineata or commonly known as Clear Slug is actually a gastropod whose bright green shell has evolved.

The evolution made the bright green shell too small for it that it fully retracted — thus making it something in between a land snail and a slug.

Phylliroe bucephalum or simply Phylliroe is a type of sea slug known as a nudibranch.

This fish-shaped nudibranch noshes on jellies! They use their long horns which are called rhinophores to sniff the scent of their prey.

Did you know that it is one of the few nudibranchs known to produce its own light? Yes! The Phylliroe glows!

This stunning creature is a actually a Juvenile Cowfish. These fish usually live around coral reefs in lagoons.

Did you know that they aren’t just translucent? They also mostly float instead of swim.

Sea Angels or commonly known as the Gymnosomata, or simply Sea Butterfly-fish are actually mollusks.

They live in the Arctic Ocean and are hermaphroditic and feed while fluttering through the water.

What’s amazing is that they are fully transparent with pedal wings thus making them look like flying angels when they move.

The Paper nautilus or scientifically known as the argonaut cephalopod lives in pelagic habitats of the subtropics and tropics.

Fun fact: Did you know that the Paper Nautilus shell is special among mollusks? The reason for that is because it is only built by the female to protect her eggs.

The Yellow Sac Spider or Chiracanthium inclusum is commonly found in homes.

Though almost translucent, their body colors can change depending on what they eat.

Did you know that they are slightly more aggressive than most house spiders? They will actually bite when threatened.

The Big Skate or Raja Binoculata is more than just cute.

It’s one of the largest species of skate and they are found along the entire Pacific coastline (from Baja California to Alaska).

Did you know that their very pale skin allows for their internal organs to show right through?

The Sea Walnut or scientifically known as Mnemiopsis leidyi is a species of comb jelly.

It has an oval-shaped, lobed-body, with four rows of ciliated combs that run vertically down the body.

It’s completely transparent but when it is disturbed or alarmed the ciliated combs glow blue-green!

This unusual yet beautiful sea creature is called the Transparent Sea Cucumber (Enypniastes sp.)

It can be found in the Gulf of Mexico at 2,750 meters depth. It moves slowly using its tentacles and is around 2 centimeters per minute.

While moving, it also sweeps detritus-rich sediment into its mouth. What’s amazing is that you can actually see its digestive tract winding through its body!

Jellyfish are very popular but did you know that they have been around for millions of years, even before dinosaurs lived on the Earth?

Some jellyfish are translucent, but others are vibrant colors such as yellow, orange, or pink.

They can be bio-luminescent, too. This means that they produce their own light!

The Venus’ flower basket or Euplectella aspergillum is actually a hexactinellid sponge in the phylum Porifera inhabiting the deep ocean.

It’s more of a see-through creature rather than translucent. It’s a marine sponge found in deep waters in pacific oceans near West Indies and Philippines islands.

The Sea Butterflies or Thecosomata uses its muscular foot not to creep along the sea bed but to swim through open water.

It’s modified foot is divided into two lobes and resembles a pair of transparent, flimsy wings.

Most species of sea butterflies have lost their shells while those who still have it have made them completely clear.

This species of amphipod, Eusirus holmi has a beautiful color inside its transparent shell.

It was surprisingly found in association with the ice and is also well adapted in waters deeper than 2000 meters.

Did you know that the Hymenodora Glacialis is the only pelagic shrimp known to inhabit the Canada Basin?

It’s a member of the order Decapoda and are mostly gonochoric.

If they look familiar, then you might know them by their common names such as clams, mussels, cockles, oysters, and scallops.

This almost translucent bivalve was found deep Arctic seafloor! You can clearly see the inside of these Bivalves.

This is the Squidworm, not Squidward!

It is found in the Coral Triangle, an area between Indonesia and the Philippines.

The Marrus Orthocanna is made up of multiple repeated units which includes the tentacles and multiple stomachs. Have you ever heard of the term physonect siphonophore? That’s what it is.

Kind of looks like a jellyfish but is more closely related to the Portugese man o’war.

Did you know that like ants, a colony made up of many individuals has attributes resembling a single organism.

A new specie recently discovered in the sea floors of Sagami Bay, Japan.

This transparent creature is called Vigtorniella Worm and is a type of polychaete worm. They eat off dead whales and alike.

The body of the Leucothea Pulchra is oblong and is covered with brownish-orange papillae which are very delicate.

The body coloration itself is translucent! The beautiful yet distinctive orange papillae along the outer surface makes it more unique.

Hydatina physis or commonly known as a bubble snail is a marine opisthobranch gastropod mollusk in the family Aplustridae.

While there are many types of bubble snail, this particular one is translucent and some parts even glow. Now that’s beautiful!

The Transparent Cockatoo Squid lives in the depths of the ocean.

It underwent many adaptations to help it survive and thrive there.

Did you know that it has ammonia solutions inside its body that give it a balloon-like shape? This help the Cockatoo Squid float.