Sea spiders, Fuerteventura, Canary Islands.
Sea spiders, Fuerteventura, Canary Islands.
iStock.com/simone tognon
Pycnogonida
Sea spiders, Fuerteventura, Canary Islands.
Sea spider on coral.
Underwater close-up of a sea spider.
A colorful sea spider crawls over a black sand slope in Indonesia. Sea spiders are small predators of marine invertebrates.
Sea spiders don't spin webs; instead, they use a nose-like structure to suck their prey to death.
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