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just saw an x-ray of a horse skull. can’t say i’m too happy with it

a viewing tower for fish made with an old fish tank and a couple of cinder blocks

How many people can say they have played rugby with a Beluga whale? 🐳 🏉

Any time someone tells me birds aren’t descended from dinosaurs, I show them this.

What’s a nudibranch, anyway?

These soft-bodied mollusks are closely related to sea slugs!

“Nudibranch” means “naked gills,” referring to the fact that they carry their gills on their back. Here’s a closeup of nudibranch gills:

Many nudibranch species are spectacularly colorful, from the Spanish shawl nudibranch, found in Channel Islands National Marine Sanctuary:

to the opalescent nudibranch of Cordell Bank National Marine Sanctuary, which preys on hydroids and anemones. During digestion, the hydroid and anemone stinging cells actually travel into the nudibranch’s colorful appendages and can be used against the nudibranch’s own predators!

Nudibranchs are found all over the world’s ocean and in many of your national marine sanctuaries. 

What’s your favorite kind of nudibranch?

clueless but optimistic!

who was the first person to write “tongues battling for dominance” and have they issued a public apology yet

These images are floating around and it’s said that these are “skeleton panda sea squirts.” Elsewhere I’ve searched calls them “Gaikotsu Panda Hoya.” Perhaps different names for the same thing. I’m not 100% sure, though.