What are some blue organisms you have photographed?

Also this slug:

Bielzia coerulans

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Karoo violets - very blue, very tiny, in the Karoo semi-desert
https://www.inaturalist.org/observations/254700502

Borage blue https://www.inaturalist.org/taxa/70013-Anchusa-capensis

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You are absolutely right! It’s BANDIT. I will change my observation reference!

(Something tells me you are into IDing)

Thanks for the catch

Bandit, being an archaeologist, would NOT have made this error, I’m certain.

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Paddle-tailed Darner: https://www.inaturalist.org/observations/245322146

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I have a lot of these… Beginning with:


Grey headed swamp hens ( A flock of them)

Dark bule tiger

White throated kingfisher

Tickell’s blue flycatcher

Black crowned night heron.

Blue tiger moth

)Some species of unidentified ladybug.

Little clown grasshopper.

Indian blue mormon.

Western reef heron
That’s the last one, for I’m to lazy to search any further. Also, do Malabar giant squirrels count as blue?

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We have blue Condylostylus here, which @zdanko and others have identified as a newly described species, C. purpureus.

And of course there are the bluets and Blue-Eyed Ensign Wasps and such, but my favorite bit of blue is the startling tail on this species indeterminate Condylostylus I saw some three years ago, the only one like this I have seen. I love these pretty flies so much; they are like little flying jewels and seeing a new-to-me one feels amazing.

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Blues!

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Not newly described; rather, it was recently discovered to have been introduced to Florida.

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Mountain Bluebird, the bluest of the bluebirds, against the bluest Southwestern US sky.

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I’ll add a few more mollusks to the list.

Northern bay mussel.


https://www.inaturalist.org/observations/248505853

Schizoplax brandtii
This is one of my personal favorite chitons.


https://www.inaturalist.org/observations/223832626

Buccinum baerii


https://www.inaturalist.org/observations/224204996

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I must have misunderstood but do not wish to derail this lovely thread. Apologies.

(Introduced from where?)

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I saw this and was thinking about how few arthropods are blue, I think pelagic animlas tends to be blue to blend in with the open sea, like the blue shark, blue fish, and blue whale

As well as the shortfin mako shark, and many other fish

As an arthropod specialist most of the blue things I observe are flowers

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Most of my “blue” photos are of flowers, but that would be too easy. Finding blue arthropods is much more difficult, but here goes with a few:

Celastrina argiolus, hard to get more blue than this!

Orthetrum brunneum

Limenitis reducta

Anthaxia thalassophila thalassophila

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Blue winged kookaburra https://inaturalist.ala.org.au/observations/90006257

Cape starling https://inaturalist.ala.org.au/observations/207132670

Burchell’s starling
https://inaturalist.ala.org.au/observations/206228403

Superb starling
https://inaturalist.ala.org.au/observations/153540938

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Wow, that Orthetrum looks amazingly like a New World pondhawk (Erythemis), specifically Eastern or Western Pondhawks. Also very blue.

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Wow, I love this photo!

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https://www.inaturalist.org/taxa/68756-Morpho-menelaus

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Centaurea cyanus (Cornflower · 수레국화)

Commelina communis (Asiatic Dayflower · 닭의장풀)

Macrophthalmus japonicus (칠게)

Tubuca arcuata (Bowed Fiddler Crab · 농게)

Charybdis japonica (Asian Paddle Crab · 민꽃게)

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I love those crabs.

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Lots of beautiful blue underwater!

Blue ring octopus https://www.inaturalist.org/observations/110435527

A male ribbon eel https://www.inaturalist.org/observations/42939375

Sea slugs https://www.inaturalist.org/observations/52651158

More sea slugs https://www.inaturalist.org/observations/59743205

Even more sea slugs https://www.inaturalist.org/observations/36460414

Flatworm https://www.inaturalist.org/observations/54229644

Cute hermit crab https://www.inaturalist.org/observations/192729664

Tiny roughback shrimp https://www.inaturalist.org/observations/146371850

Blue chromis https://www.inaturalist.org/observations/196166665

Queen angelfish, adult https://www.inaturalist.org/observations/104912194

Queen angelfish, juvenile https://www.inaturalist.org/observations/149484524

Emperor Angelfish, juvenile https://www.inaturalist.org/observations/28270094

Blue linckia starfish https://www.inaturalist.org/observations/56810284

And not marine but very cool - a scorpion under UV light https://www.inaturalist.org/observations/109535011

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