sea spider
noun
: any of various small long-legged marine arthropods (class Pycnogonida) that superficially resemble spiders
Examples of sea spider in a Sentence
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Over the course of more than ten dives, Jiaolong gathered 183 biological samples – including shrimps, sea spiders, and sea anemones – along with sediment, rock, and seawater specimens for further analysis.
—
Bojan Stojkovski, Interesting Engineering, 5 Oct. 2025
This discovery marks the first time scientists have observed this behavior in sea spiders.
—Sara Hashemi, Smithsonian Magazine, 20 June 2025
Further exploration of the seafloor could also uncover additional, similar sea spider species, Goffredi said.
—Cnn.com Wire Service, Mercury News, 18 June 2025
In fact, each of the three sea spider species collected for the study were from different areas off the coast of Southern California and Alaska — a clue that the populations are highly localized.
—Kameryn Griesser, CNN Money, 17 June 2025
In water as much as 4,200 feet deep the team from the Schmidt Ocean Institute found a surprisingly flourishing ecosystem that included icefish, giant sea spiders, octopus, corals and sponges.
—Elizabeth Weise, USA Today, 13 Apr. 2025
After eight days, the team observed various sea life, including corals, octopuses, giant sea spiders, and sponges.
—Monica Cull, Discover Magazine, 1 Apr. 2025
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Bojan Stojkovski, Interesting Engineering, 5 Oct. 2025
This discovery marks the first time scientists have observed this behavior in sea spiders.
—Sara Hashemi, Smithsonian Magazine, 20 June 2025
Further exploration of the seafloor could also uncover additional, similar sea spider species, Goffredi said.
—Cnn.com Wire Service, Mercury News, 18 June 2025
In fact, each of the three sea spider species collected for the study were from different areas off the coast of Southern California and Alaska — a clue that the populations are highly localized.
—Kameryn Griesser, CNN Money, 17 June 2025
In water as much as 4,200 feet deep the team from the Schmidt Ocean Institute found a surprisingly flourishing ecosystem that included icefish, giant sea spiders, octopus, corals and sponges.
—Elizabeth Weise, USA Today, 13 Apr. 2025
After eight days, the team observed various sea life, including corals, octopuses, giant sea spiders, and sponges.
—Monica Cull, Discover Magazine, 1 Apr. 2025
Cite this Entry
“Sea spider.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20spider. Accessed 4 Nov. 2025.
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