In case you needed one more thing to keep you up at night, meet the Sea Spider: a tiny but sinister
In case you needed one more thing to keep you up at night, meet the Sea Spider: a tiny but sinister looking animal that is not actually an arachnid, but instead probably evolved as a distinct sister lineage to all known arthropods (crustaceans, insects). Their elongated bodies have so much surface area that they don’t even need a respiratory system, instead exchanging gasses via direct diffusion across the surface of their body and extremities.Sea Spiders are carnivores and feed on soft tissued animals like sea anemones, by stabbing them with their long, sharp proboscis and sucking the nutrients out of them. Not creepy at all - photo taken at Seacrest Cove 2, Seattle, WA -- source link
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