World's Most Beautiful Blue Animals
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World's Most Beautiful Blue Animals

A list of beautiful blue-colored animals.

Blue is the world’s most favorite color. In the early days, it is regarded as the color of nobility. Why some animal are called blue when in fact their color is not blue? When an animal's coat is described as "blue", it usually refers to a shade of grey that takes on a bluish tint, a diluted variant of a pure black coat. This designation is used for a variety of animals, including some chicken breeds, some horse coat colors, dog coats, some rat coats, cat coats and rabbit coat colors. Some animals, like lizards and giraffes, also have blue tongues.

This is a blue-colored echinoderm.

Blue Sea Star or Blue Linckia (Linckia laevigata)

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The Blue Linckia is a sea star that inhabits the shallow waters of Indo-Pacific. It comes in different colors like dark blue, light blue, aqua, purple or orange variation.

These are blue-colored birds.

Hyacinth Macaw (Anodorhynchus hyacinthinus)

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The lovely-looking blue-colored and captivating Hyacinth Macaw is endemic to South America. It is the largest species of macaw and the world’s largest flying parrot. It is also one of the most popular pet birds in the world.

Indigo Macaw ((Anodorhynchus leari))

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The metallic blue “Indigo Macaw” is a rare parrot native to Brazil. It is more popularly known as Lear’s Macaw. It can grow up to 75 cm in length and can weigh as much as 1 kg.

These are blue-colored reptiles.

Blue Snak

This is a unique blue-colored reptile. This snake is one of the most beautiful and most colorful snakes in the world.


Blue Agama (Agama sinaita)

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This blue-colored reptile was photographed in Jordan. This uniquely colored species is common in deserts around the shores of the Red Sea. What makes it turn blue? While in heat, the male turns to striking blue to attract females.

These are blue-colored arthropods.

Blue Porcelain Crab

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If a crab is as beautiful and colorful as the Blue Porcelain Crab I will not surely eat it. I will just put it in a tank and raised it as a pet. This species of crab, commonly known as Blue Porcelain Crab, is one of the most beautiful and colorful crabs. It is reef safe and harmless and makes a great addition for the beginner to the advanced aquarist.

Blue Lobster

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One in two million lobsters are blue. It was discovered that a genetic defect causes a blue lobster to produce an excessive amount of protein. The protein and a red carotenoid molecule known as astaxanthin, combine to form a blue complex known as crustacyanin, giving the lobster its blue color.

American lobster (Homarus americanus)

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The blue lobster on the above photo is an American lobster (Homarus americanus). It is a species that can be found on the Atlantic coast of North America.

These are blue-colored fishes.

Neon Damsel (Pomacentrus coelestis)

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The Neon Damselfish lives in the Indian and pacific oceans. It is slowly becoming popular in the aquarium trade. This blue-colored fish can grow up 9 centimeter in length.

Regal Tang (Paracanthurus hepatus)

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The lovely and beautiful Regal Tang is one of the most popular and recognizable fish pet. This brightly colored reef fish has a royal blue body, yellow tail and black palette design. It lives on the reefs found in the Indo-Pacific regions. Among its many common names are Hippo Tang, Flagtail Surgeonfish Blue Surgeonfish Palette Surgeonfish, Blue Tang, and Royal Blue Tang.

Maylandia callanois

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These are blue-colored amphibians.

Blue Poison Frog (Dendrobates azures)

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The blue-colored with black spots Dendrobates azureus is a poison dart frog endemic to Brazil and Suriname. It is locally called Okopipi. This poisonous frog that grows up to 4.5 cm in length has a lifespan of up to 6 years.

Blue Frog - Dyeing Dart Frog (Dendrobates_tinctorius)

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Another blue-colored frog is the Dyeing Dart Frog. This species of poison dart frog can grow up to 5 cm and can be found in Guyana, Brazil, Suriname and French Guiana.

These are blue-colored insects.

Menelaus Blue Morpho (Morpho Menelaus)

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The Menelaus Blue Morpho is a tropical butterfly endemic to Central and South America. Male species are more brightly-colored than female species. It has a wingspan of 15 cm.

Blue Beetle

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This pretty and shiny Blue Beetle on the ground was photographed near Santa Elena, Costa Rica.

These are blue-colored mollusk.

Blue Slug (Bielzia coerulans)

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My favorite color is blue and I consider this slug pretty. Bielzia coerulans, a species of very large land slug, is a terrestrial pulmonate gastropod in the family Limacidae, the keelback slugs. This is a slug which is blue when adult and measures about 120 to 160 mm in length. The juveniles are brown. This species is endemic to the Carpthian Mountains in Eastern Europe.

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Blue Nudibranch (Hypselodoris bullockii)

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This blue- violet colored sea slug is simply beautiful. It is a colorful and attractive nudibranch species that belongs to the Chromodorididae family. This sea slug can be found in the tropical western Pacific Ocean and part of Indian Ocean.

These are blue-colored mammals.

Maltese Tiger

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Isn’t it cute? Look at its blue eyes, they are simply captivating. One of the rarest and unique tigers in the world is the Maltese Tiger. Although its color is predominantly grey coat it is called a blue tiger.

Blue Tabby Cat

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Most cats have large rounded eyes but this one is different. The lovely and adorable Blue Tabby Cat is called blue although it looks grey. Blue cats are cats with a predominantly grey coat like the Maltese Tiger.

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Comments (6)

Wonderful collection of blue animals. We should let them run wild... for me. Thanks.

Excellent article. Blue Agama is great!

Beautiful kabayan!


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Wonderful blue creatures, I have seen several of them in nature...

Ranked #48 in Wildlife & Nature

Good idea to write article about blue animals!