giant siphonophores!!!
giant siphonophores are deep sea invertebrates that live in many deeper oceans all over the world, from iceland to chile!
they eat small crustaceans and small fish
siphonophores can grow up to 130 feet long!
they’re not single multi-cellular organisms, they’re actually colonies of tiny biological components called zooids!
giant siphonophores have hydrostatic skeletons
they attract pray with bright bioluminescent light!
there are over 175 species of siphonophores and they have very diverse differences
siphonophores are bioluminescent and can glow many different colours, mainly blue, red, orange, and yellow!
they’re so amazing :]
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Deep sea and polar gigantism is so funny tbh. The world just saw an animal live somewhere else and thought it was so cool they needed to be bigger in order to be seen more. Imagine an animal you like. Now imagine it twice as big. That's what the ocean does babey.
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FUCKING LLLLOOOOVVVVEEEE DEEP SEA GIGANTISM LIKE HELL YEAH THE DEEPER YOU GO THE BIGGER THINGS GET IT JUST FEELS SO RIGHT BABY THE OCEAN IS FULL OF HORRORS BEYOND OUR COMPREHENSION
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the frankly terrifying idea that many, if not most, of the large deep sea creatures we have managed to observe in our scientific meanderings were, more likely than not, not fully grown.
like this thing
this might just be a loitering teen!
meaning it could get bigger!
I'm not even reaching here, it's been determined that most of the giant squid specimens we've encountered were either not fully grown or just physically stunted in some way, we've only been finding dumb teenagers and desperate runts.
and they were still absolute units, so if this is junior
Then what in Poseidon's salty beard does mom look like?
conclusion: fuck the ocean
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Random Fact #6,381
^ Image credit: David Shale
At a mere 15 centimetres, the spiny deepsea crab may seem tiny in comparison to other large deepsea animals, but it’s unusually hefty among its stone crab brethren, who typically measure at around 7 cm or so.
In fact, its carapace is only 2 centimetres smaller than that of the average size of biggest species of king crab (red king crabs).
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Animal Crossing Fish - Explained #212
Brought to you by a marine biologist and the Kraken itself...
CLICK HERE FOR THE AC FISH EXPLAINED MASTERPOST!
I’ll admit I was saving this one. I liked the theme I had going starting and ending the original Fish Explained and the Museum Tour series with the deep sea. Except, now ACPC has bestowed upon us another denizen of the deep, so I want to cover this one RIGHT NOW SO BAD. It’s the Giant Squid!
The giant squid first appeared in ACPC for the Fishing Tourney #41 in August 2021. The theme was “the deep sea”, but besides the giant squid itself, nothing else about it really screamed “deep sea” to me, but I’m also obnoxious. Anyway -
The Giant Squid is giant and also a squid - it’s in Phylum Mollusca with our other mollusk friends in the games, like the vampire squid, the clam, etc. It’s an incredibly diverse group - just the fact that cephalopods - the class within Mollusca that includes the squid, nautilus, and octopus, the latter of which are lauded as the smartest invertebrates - are related to bivalves (not known at all for any thought) is astonishing to me. What complexity!
Squid differ from octopuses in a number of ways, but most strikingly in the arrangement of their arms, of which they have 8, and two tentacles which are usually longer than the arms, and distinguished by only have suckers at the very end. And I mention that because the Giant Squid (Architeuthis dux) is one of the largest invertebrates by length because of its two long tentacles. Females of the species have been estimated to grow to a maximum total length of 43 ft (13m), with males falling a bit shorter. It’s perhaps the most famous example of deep-sea gigantism, along with the giant isopod. Despite how big this thing is, the thing it’s most notorious for, besides the size, is its elusiveness.
By http://www.pref.kyoto.jp/kaiyo/2-topicnews/news/2002/02-02-01/mega-squid/mega-squid-01.html (web archive: [2]), Fair use, https://en.wikipedia.org/w/index.php?curid=6280565. "Copyright (C) Kyoto Prefecture"
The picture above should give you an idea of how big this thing is (there’s a person above it). This is also the very first photo of a live specimen ever photographed, which was captured in 2002. Up until that point, giant squid were rarely seen washed up on shore or as bits and pieces within the guts of deceased Sperm Whales. There was a great effort in the 1990′s to find live specimens, especially those in their natural habitat, to learn anything about them.
By Report in The Wall Street Journal, 28 December 2015 (full size image); image was auto-normalized in GIMP., Fair use, https://en.wikipedia.org/w/index.php?curid=62371432. Original copyright for this image belongs to Mizuhashi Fisherina, Toyama.
(^Here’s another great image to show you the massive size of just the mantle, on a juvenile, taken at the surface in 2015.) In 2004, the very first video of an adult giant squid in its natural habitat was filmed. I actually remember when that happened; it was a huge sensation in the marine bio world. Since then, a couple dozen giant squid have been found, and we have learned a lot about them - like that they have a worldwide distribution, they have a complex nervous system with a big brain, and it’s prey consists of deep sea fish and other squid species it ensnares with its long tentacles and uses its powerful beak to hold and crush them. They also have more predators than just the Sperm Whale, including pilot whales and sleeper sharks. Unfortunately, it’s really, really difficult to learn more about them without expensive equipment and dedication, since their habitat is at such dark, crushing depths. (If you wanna learn more about why we know more about the Moon than the deep sea, take the Museum Tour into The Abyss).Luckily, they sometimes wash ashore or come to the surface or end up in fishing gear, but, that can’t confirm or tell us as much as we’d like to know, like their behavior, if they have migration patterns, their reproduction habits and cycle, etc.
Although the Giant Squid may be the largest mollusk by length, it’s beat out in the weight department by the equally elusive and fascinating Colossal Squid (Mesonychoteuthis hamiltoni). These two squid are big, intimidating, and rarely seen - a perfect combination to spark lasting tales of the Kraken in our history and stories.
And there you have it! Fascinating stuff, no?
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giant isopods!
giant isopods are large crustaceans found in deep waters in the atlantic, pacific, and indian oceans
they feed on fish, crab, shrimp, squid, sponges, and whale carcasses!
they are actually related to the small woodlice (or pillbugs) you can find in your garden
these isopods are so large because of the effect of deep sea gigantism
giant isopods have a complex mouth with many components to eat their food with!
when threatened, this animal can roll itself into a ball to protect its soft underside!
they’re amazing :)
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