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Gulf of Mexico: The Sea Spider Stroke
Gulf of Mexico: The Sea Spider Stroke YouTube video by Global Foundation For Ocean Exploration

A timely encore of this SWIMMING SEA SPIDER for #seaspiderSaturday! #okeanos #pycnogonid youtu.be/7xt-R9UM-j0?...

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#seaspiderSaturday

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Pacific giant sea spiders filmed mating for the first time
Pacific giant sea spiders filmed mating for the first time YouTube video by Mongabay

Some video from I think? #falkor? of these two giant sea spiders, Colossendeis mating? huh. #seaspiderSaturday youtube.com/shorts/8M4I1...

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Creepy Sea Spider Feeds On Polyp Colony
Creepy Sea Spider Feeds On Polyp Colony YouTube video by Caters Clips

STUNNING video of this shallow pycnogonid feeding on hydroids by Alexander Semenov! #seaspiderSaturday youtu.be/uH8mKlXWLuM?...

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Okeanos Explorer Video Bite: Sea Spider
Okeanos Explorer Video Bite: Sea Spider YouTube video by Inner Space Center

From #okeanos 2018, another pycnogonid, Colossendeis likely feeding on these white octocorals? anemones? #seaspiderSaturday youtu.be/wK0SGV_HcwQ?...

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Epibionts and Sea Spiders
Epibionts and Sea Spiders YouTube video by PycnoWatchThis

PYCNOGONIDS and the critters that live on them! epibionts! #seaspiderSaturday youtu.be/ekxB3_1l4oM?...

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Comet Posture in Sea Spiders
Comet Posture in Sea Spiders YouTube video by PycnoWatchThis

Huh. An interesting YT channel that shows various Pycnogonid biology! It looks legitimate-never hear of it before-this one shows "comet posture" of how sea spiders float and drift effectively! #seaspiderSaturday youtu.be/E9wePYzeTgQ?...

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Weird and Wonderful: Giant sea spiders eat by sucking fluids out of their prey
Weird and Wonderful: Giant sea spiders eat by sucking fluids out of their prey YouTube video by MBARI (Monterey Bay Aquarium Research Institute)

An encore of this lovely Colossendeis video by @mbarinews.bsky.social from Monterey, video attacking Liponema a sea anemone! #seaspiderSaturday youtu.be/CsxxAPOkkeU?...

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Pycnogonids (Class Pycnogonida) Pycnogonids from Sermersooq, GL on July 16, 2025 at 04:00 PM by Justin Hofman. ROV dive to a depth of 920 feet

Cool Pycnogonid at 240 m (920 feet) attacking this I think, anemone? #seaspiderSaturday www.inaturalist.org/observations...

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Pycnogonids (Class Pycnogonida) Pycnogonids from Ingmikertikajik, Scoresbysund on July 31, 2025 at 06:27 PM by Kim Nesbitt. ROV 100m

MORE #seaspidersaturday pic of this one walking over a brittle star at 100 m in Greenland www.inaturalist.org/observations...

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Pycnogonids (Class Pycnogonida) Pycnogonids from Ingmikertikajik, Scoresbysund on July 31, 2025 at 06:27 PM by Kim Nesbitt. ROV 100m

oooo! An unidentified shaggy pycnogonid from Greenland in 100 m! #seaspiderSaturday www.inaturalist.org/observations...

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Sea Spider Eating Coral “Waves” at the Camera | Nautilus Live
Sea Spider Eating Coral “Waves” at the Camera | Nautilus Live YouTube video by EVNautilus

A pycnogonid apparently having fed! #seaspiderSaturday! youtu.be/_FiMaiNSwIU?...

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#seaspidersaturday

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#seaspiderSaturday

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First methane-powered sea spiders found crawling on the ocean floor | CNN Scientists on the US West Coast say they discovered three previously unknown species of deep-sea spider that could have a rare diet fueled by a common greenhouse gas.

MOAR on methane powered Sea spiders! #pycnogonid #seaspidersaturday www.cnn.com/2025/06/17/s...

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Methane-eating sea spiders discovered off Southern California coast Over 1,300 different sea spiders are found deep underwater in the ocean.

OH NEAT Methane eating sea spiders #pycnogonida #seaspiderSaturday How often do you see THOSE in the news? www.sfgate.com/la/article/m...

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#seaspiderSaturday

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#SeaspiderSaturday FACTS!

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Seascape Alaska: Along Came A Pycnogonid
Seascape Alaska: Along Came A Pycnogonid YouTube video by Global Foundation For Ocean Exploration

#seaspiderSaturday Giant Pycnogonid Colossendeis seen on #Okeanos awhile back with amphipod hitchikers! youtu.be/yfPcL81HcDQ?...

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sea spider with proboscis attached to sea anemone trunk

sea spider with proboscis attached to sea anemone trunk

COLOSSENDEIS feeding on this anemeone, Winslow reef Area 2 Remote Pacific Islands expedition #okeanos 2017 Proboscis in the ACT! #seaspiderSaturday

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Weird and Wonderful: Giant sea spiders eat by sucking fluids out of their prey
Weird and Wonderful: Giant sea spiders eat by sucking fluids out of their prey YouTube video by MBARI (Monterey Bay Aquarium Research Institute)

#SEASPIDERSATURDAY lovely MBARI video of Colossendeis et al feeing with their built in sucking straw The proboscis! youtu.be/CsxxAPOkkeU?...

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Family Callipallenidae Callipallenidae from 馬崗潮間帶 on March 23, 2025 at 07:11 PM by 蕭小飄

whoa. GREEN Pycnogondi WORLD! #seaspiderSaturday www.inaturalist.org/observations...

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Decolopoda australis Decolopoda australis from Southern Ocean, AQ on February 13, 2006 at 09:41 PM by davidcothran

DECOLOPODA! TEN LEGS! #antarctica #seaspiderSaturday www.inaturalist.org/observations...

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Littoral Sea Spider (Pycnogonum litorale) Littoral Sea Spider from La Barceloneta, Ciutat Vella, Barcelona, España on March 17, 2011 at 12:54 AM by Jacobo Martín. This tiny sea spider was kept (dead) in a small vial by a fellow technician in...

From BARCELONA! A literal Littoral Pycnogonid! #seaspidersaturday www.inaturalist.org/observations...

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Colossendeis proboscidea Colossendeis proboscidea from Franklin Bay on August 14, 2014 by Claude Nozères. Large pycnogonid observed from a DFO survey, station FRK 14-05, saved to show for education.

Whoa. Look at that PROBOSCIS! Was Franklin looking for this Colossendeis in the Northwest passage? #seaspiderSaturday www.inaturalist.org/observations...

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Scarlet Seaspider (Nymphon signatum) Scarlet Seaspider from South Atlantic Ocean, Rooi-Els, Western Cape, ZA on April 27, 2025 at 09:32 AM by mcarina. Size 12mm. I don't think it's Nymphon signatum, it hasn't got the spindly legs. Possi...

Whoa. RED! ID for the record is uncertain. #seaspiderSaturday www.inaturalist.org/observations...

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orange spider-like animal on black sea bottom

orange spider-like animal on black sea bottom

orange spider-like animal

orange spider-like animal

COLOSSENDEIS! Giant sea spider #seaspiderSaturday at 4275 m depth! #okeanos #saveNOAA WestEdge

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spider-like animal with long arms perched on deep-sea coral

spider-like animal with long arms perched on deep-sea coral

spider-like animal with long arms perched on deep-sea coral

spider-like animal with long arms perched on deep-sea coral

MOAR #seaspiderSaturday! Colossendeis, the giant deep-sea pycnogonid, here using its mighty proboscis to feed on zoanthids like a kid with a straw sucking out of a juice box! #Okeanos Congress Seamount North Atlantic

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#seaspiderSaturday

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huh. if so.. first observation of one feeding on a sea cucumber! #seaspidersaturday! attn @andyantarctica.bsky.social

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