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I don't know what higher level of consciousness octopi are on but I'm terrified to imagine it
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rediscovering ray troll's art in my fish era is such a delight. that guy makes art that sounds like his name. he was so right about fish worship
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in squid mode right now. while the idea of giant squid and sperm whales having some kind of rivalry and regularly battling each other to the death is a popular depiction, it simply is not something that happens in real life. there are not equal opponents, the whales will eat the squid and their jaws are very much designed for them to grasp onto the squid and eat it
that said the squid can obviously try to fight back but theyll basically just cause some scratches to the whale and are incapable of actually killing them
here are some scars on whales caused by squids (giant and colossal squids)
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Absolutely love it when bubbles rise from the deep... There are creachers down there...
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Development of bipinnaria larvae of the Luidia sarsii starfish.
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Another beautiful day in #Squidtember
Whiplash squid are one of the more commonly found squid in the deep sea, but their anatomy is far from common. Their tentacles are totally different from other squid. Typically, squid tentacles are long and rubbery, with suction cups and often hooks on the clubs. In whiplash squid, they have suction cups all along the limb which makes them super sticky!
This video is from NOAA, and try as I might it wouldn't let me add it by embedding the youtube video- here's the OG.
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Well, that鈥檚 all the encouragement I need!
So, you know anglerfish?
These fellas! There are actually many different species of anglerfish (more than 200!) but that鈥檚 not what makes them so interesting. What makes them interesting is their unique method of reproduction, which also ties into their immune systems!
You see, when scientist were first doing research on anglerfish, they noticed something about all of the specimens that they dissected- they were, in fact, all females. And, eventually, they noticed another commonality- they all seemed to have the same type of parasite. They realized that these parasites actually were the males of the species- in order to mate, (the much smaller) male anglerfish practice a form of sexual parasitism, fully fusing into the tissues of the female. In some species the fusion is temporary, but in some it鈥檚 permanent, skin and circulatory systems becoming connected. The male benefits from the nutrients the female provides, and in return provides sperm for reproduction.
As far as we know this method of reproduction is entirely unique to anglerfish. Which makes sense, because it would be impossible with most other immune systems. Ours, for example- human immune systems contain a defense built around identifying foreign tissues fighting them when found. This is why things like skin and organ transplants are so difficult- your body might reject the foreign tissues, if they鈥檙e not a proper match and/or you鈥檙e not receiving proper therapies at the same time. Anglerfish don鈥檛 seem to have this particular component of the immune system, though. You can find more information on that here- they鈥檝e actually analyzed the DNA of anglerfish to find the exact components that they lack in comparison to other vertebrates.
Anyway, that鈥檚 my cool animal fact for the day. I love these freaky things.
Source (x)
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A Bottlenose Dolphin using echolocation to hunt fish hidden in the sand
(source)
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Daily fish fact #220
Binocular fish (Winteria telescopa)!
Unlike most barreleye fish, or spook fish, this fish has more forward-facing eyes! Typically fish like barreleyes can point their eyes directly above them (as well as in front of them), but binocular fish are an exception.
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I just posted a link to a separate Washington Post story about deep sea mining, its risks and rewards and the beginning hints of corrupt access to the riches on the floor of the ocean. This story from the Washington Post describes some of the marine animals living way down there. Some photos.
Several glass sponges grow on top of one another, including a brown vase-like sponge in the genus Oopsacas and a white sponge in the family Euplectellidae. GEOMAR.
An unidentified species of jellyfish. GEOMAR.
A squidworm uses its tentacle-like appendages to collect marine snow, organic particles falling from the upper ocean. Craig Smith, DeepCCZ Project.
Two carnivorous sponges. On the left, a species in the genus Cladorhiza. On the right, a ping-pong tree sponge in the genus Chondrocladia, which uses hooks to capture its prey. Craig Smith, DeepCCZ Project.
Two deep-sea species of sea cucumber, one sitting and one swimming. GEOMAR. [The other is a red fast swimming thing that yields a red fuzzy unfocused blob.]
Scientists collecting a sample of the black coral Antipatharia. GEOMAR.
A Dumbo octopus floats over a gouge in the seafloor. GEOMAR.
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When we look at pictures like this, it's really hard to tell how big the animals are because the open ocean doesn't have much out there for us to compare to!
Sometimes tiny things (like anglerfish*) seem massive, & HUGE animals seem kinda normal.
The squid in this picture? Taningia danae? These bad boys can grow to 7.5 feet.
That means those big photophores are like, lime-lemon sized. HUGE.
*anglerfish are like- NOT big. Most are between golf ball and baseball sized. Some are basketball sized, but that's less common!
Image from Schmidt Ocean
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Ocean Ramsey and her team encountered this 20 ft Great White Shark near the island of Oahu, Hawaii. It is believed to be the biggest ever recorded
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Daily fish fact #206
Thresher sharks!
This family of sharks has evolved a very long tail fin to use to stun prey! It works much like a whip, these sharks will swim towards a school of fish at high speeds, which will cause their tail hits smaller fish. They are unfortunately greatly endangered!
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You ever think about the Black Musselcracker?
Like, it basically looks like that one pic of a blobfish except arguably even more fucked up, but unlike the blobfish it鈥檚 not due to it being dead/depressurized, it just naturally looks like that!
(Pics from here and here)
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