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Although they look somewhat like land spiders, sea spiders are an entirely separate class of animals, known as pycnogonids. Pycnogonids are "suctorial" predators—most species feed by sucking the bodily fluids from other marine animals. Pycnogonids are fairly common in tide pools, but these intertidal species are typically small and hard to see. In contrast, deep-sea pycnogonids can grow to over 50 cm (20 inches) across, and spend much of their time on the open seafloor. This deep-sea pycnogonid hunches over a pom-pom anemone, with its proboscis inserted into one the anemone's tentacles. Apparently large anemones can survive numerous such attacks, providing a "renewable resource" for nearby pycnogonids. ⠀

#MBARI #deepsea #ocean #marinebiology #science #research #underwaterphotography #naturephotography #sealife #oceanlife #naturephotography #nature #wildlifephotography #wildlife #ROV #anemone #pompomanemone #spider #seaspider #pycnogonid

Although they look somewhat like land spiders, sea spiders are an entirely separate class of animals, known as pycnogonids. Pycnogonids are "suctorial" predators—most species feed by sucking the bodily fluids from other marine animals. Pycnogonids are fairly common in tide pools, but these intertidal species are typically small and hard to see. In contrast, deep-sea pycnogonids can grow to over 50 cm (20 inches) across, and spend much of their time on the open seafloor. This deep-sea pycnogonid hunches over a pom-pom anemone, with its proboscis inserted into one the anemone's tentacles. Apparently large anemones can survive numerous such attacks, providing a "renewable resource" for nearby pycnogonids. ⠀

#MBARI #deepsea #ocean #marinebiology #science #research #underwaterphotography #naturephotography #sealife #oceanlife #naturephotography #nature #wildlifephotography #wildlife #ROV #anemone #pompomanemone #spider #seaspider #pycnogonid

•Antarctica Series. Creatures and sights of the Scotia Arc.•⠀⠀⠀
Another sea spider (pycnogonid) from the Antarctic. This may be Ammothea clausi. It is more 'stocky' than Collosendeis, but it is still mostly legs. The small head and cylindrical proboscis are between the uppermost pair of legs, while the tiny abdomen is the little projection at the bottom between the last pair of legs.⠀
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#seaspider #antarctica #falklands #pycnogonid #deepsea #underthesea #sealife #sea #scrippsoceanography #oceanography #oceanographer #oceanographers #ocean #oceanpic #oceanpics #oceanphotos #oceanphotography #oceanphotographer #oceanphotographers #underwater #water #underwaterpic #underwaterpics #underwaterphotos #underwaterphotographer #underwaterphotographers #underwaterphotography #ucsd #ucsandiego

•Antarctica Series. Creatures and sights of the Scotia Arc.•⠀⠀
Here is a closeup of the body of the sea spider (pycnogonid) in the antarctic 'Collosendeis megalonyx' species complex. Most of the animal really is legs. There is a small head where you can see several pairs of eyes. To the left of the eyes is the proboscis and chelae and to the right is the thorax from which the legs arise. There are four pairs of legs, but this does not meant they are very close to true spiders. In fact, there is another pair of legs tucked in under the others. This 5th pair of legs is used by males to carry the embryos. Yes, like seahorses and relatives, seaspiders are unusual animals in that the males are the ones who look after the 'gestating' young. Finally, at the end of the thorax (on the right) is a tiny stub-like abdomen. The irregular white patches on the body are actually another animal, colonial bryozoans.⠀
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#seaspider #antarctica #falklands #pycnogonid #deepsea #underthesea #sealife #sea #scrippsoceanography #oceanography #oceanographer #oceanographers #ocean #oceanpic #oceanpics #oceanphotos #oceanphotography #oceanphotographer #oceanphotographers #underwater #water #underwaterpic #underwaterpics #underwaterphotos #underwaterphotographer #underwaterphotographers #underwaterphotography #ucsd #ucsandiego

•Antarctica Series. Creatures and sights of the Scotia Arc.•⠀
This is a sea spider (pycnogonid) in the 'Collosendeis megalonyx' species complex that occurs around Antarctica. These are giants of the pycnogonid domain, reaching 30 cm leg tip to leg tip and are spectacular to see alive, slowly crawling along. This beautifully colored one is from the Falkland Islands, though we also found the same color morph further into Antarctic waters. It turns out there are about 20 species in this species complex that eventually will need naming.⠀
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#seaspider #antarctica #falklands #pycnogonid #deepsea #underthesea #sealife #sea #scrippsoceanography #oceanography #oceanographer #oceanographers #ocean #oceanpic #oceanpics #oceanphotos #oceanphotography #oceanphotographer #oceanphotographers #underwater #water #underwaterpic #underwaterpics #underwaterphotos #underwaterphotographer #underwaterphotographers #underwaterphotography #ucsd #ucsandiego

“Nudist Colony” // Quick break from Cabo Pulmo stuff. The process of finding a cool nudibranch sea slug often goes a little something like this:
“Ooh, cool, look at those eggs! Someone’s around... OOH yep yep, we got some hydroids right here, that’s like a sea slug luau, ‘Find the substrate, find the slug’ as they say, we’re getting clo... BOOYAH BABY!! *snapsnapsnapsnap*” That’s at least the process that happened for me to find this large white and orange Flabellina trilineata on a Channel Islands trip earlier this year. But one of my favorite parts of nudibranch photography is finding all the OTHER animals chilling in the frame that I absolutely did not mean to photograph— which went something like this: “Haha, check out that rad skeleton shrimp chilling on the hydroid branch at the top there… OH AND YOU’VE GOT AN AMPHIPOD BUDDY over on the top left there, what’s going ON?! Oh dude no wait a second, below the eggs, that ghostly, leggy, spindly looking son of a…. WE GOT A PYCNOGONID PEOPLE! PYCNOGONID SEA SPIDER Y’ALL, STOP THE ‘GRAMS. Oh and there’s two of them, oh damn, what is this even… AWW, NAAAH! No way, come ON! Lower right, tuft of cerata on the lowest hydroid: EUBRANCHUS RUSTYUS PHOTOBOMB. THIS IS A TWO-FER PEOPLE!!
This photo was left on the cutting room floor in the making of my 2018 Nudibranch Calendar: “Tasteful Nudes — Full Frontal Nudity!” Link to the order form is in my bio! Starts shipping first week of December! #shamelesslugplug #psthereareactyallythreepycnogonidsinthisphotodiscountonyourcalendartothefirstonetoDMmeaphotoidentifyingallthree

Yup, I found a sea spider 🤙 #pycnogonid #seaspider #yassss

Pantopod's Day Out "Where did that hole go?" #pantopod #pycnogonid #art #surreal #dark #weird #creepy

www.SpydrXIII.DeviantArt.com

Scientist aboard the RV Investigator holding a giant pycnogonid or sea-spider from the deep dark ocean abyss. #seaspider #pycnogonid #rvinvestigator #sealife

Going back to a few more shots of the Sea Spider (pycnogonid). Don't let their common name fool you, these are completely unrelated to terrestrial spiders. While they are true Arthropods, that's about their only similarity by classification terms. In the ocean, wildlife tends to take on an alien looking approach. If you enjoy hiking and the outdoors and you haven't learned to scuba dive yet, then your missing out on the majority of your planet! Oceans cover over 70% of the earth's surface! #seaspider #seaspiders #pycnogonid #pycnogonids #chelicerata #floridakeys #coralreefinvertebrates #marineinvertebrates #oceaninvertebrates #marineconservation #conservationphotography #wildlifephotography #marinebiology #invertebrates #coralreef #pycnogonidae #arthropoda #marinearthropods #ocean #sea #1frame4nature #nanpa #live_love_wildlife

This is the first Sea Spider (Pycnogonid) I've ever seen and I sure hope it's not the last. While not actually Arachnids, Sea Spiders belong to the subphylum Chelicerata. They're so small that they have no respiratory organs, and all respiration is accomplished through osmosis. They feed using a tiny proboscis, which they will stick into an invertebrate such as an anemone, and suck out its internal juices. Since many sea spiders are so small, most of their prey isn't harmed much. #seaspider #seaspiders #pycnogonid #pycnogonids #chelicerata #floridakeys #coralreefinvertebrates #marineinvertebrates #oceaninvertebrates #marineconservation #conservationphotography #wildlifephotography #marinebiology #invertebrates #coralreef #pycnogonidae #arthropoda #marinearthropods #ocean #sea #1frame4nature #nanpa

A #seaspider or #pycnogonid , a little and extremly difficult critter to spot, here on a sea urchin whose spines help to understand this spiders size. This one is a #mediterranean seaspider, Endeis spinosa. #underwatermacro #uwphotography #underwaterphotography #ikelite

It's a belated #worldoceansday. Here are some photos of one of the craziest marine creatures right here on our floats and longlines in their thousands. #pycnogonid also called sea spiders. #SaldanhaOysters #diversity #sustainibility #responsiblefarming #BlueSapphirePearls
Read more about these critters at Jake Buehler's wittily informative "Shit You Didn't Know About Biology" pages
https://sydkab.com/tag/pycnogonid/

It's a belated #worldoceansday. Here are some photos of one of the craziest marine creatures right here on our floats and longlines in their thousands. #pycnogonid also called sea spiders. #SaldanhaOysters #diversity #sustainibility #responsiblefarming #BlueSapphirePearls
Read more about these critters at Jake Buehler's wittily informative "Shit You Didn't Know About Biology" pages
https://sydkab.com/tag/pycnogonid/

It's a belated #worldoceansday. Here are some photos of one of the craziest marine creatures right here on our floats and longlines in their thousands. #pycnogonid also called sea spiders. #SaldanhaOysters #diversity #sustainibility #responsiblefarming #BlueSapphirePearls
Read more about these critters at Jake Buehler's wittily informative "Shit You Didn't Know About Biology" pages
https://sydkab.com/tag/pycnogonid/

Sers moi la chélicère vieux frère ! 😂🤔🤕#pycnogonid #chelicerata #FF #tronchedeproboscis #quandçapartenvrille

This #Pycnogonid, commonly known as a sea #spider was collected with a #boxcore in Flandres Bay. #Antarctica #underthesea #mud #glacialice #science #FjordEco

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