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@ohnoocean
A truly weird animal by Arthur Anker on Flickr.
Via Flickr: A thalassematid echiuran from Madang, Papua New Guinea, an odd animal that constantly changes its shape, is “never the same” … these 6 photos show the same individual, I also made nice videos of the remarkable peristaltic movements
This Deep Sea Alien Worm, Tomopteris, Is Utterly Captivating
I would love to know the source, amazing!
This bizarre little creature is a Phronima, a group of animals found throughout the worlds oceans (except polar regions). Phronima has six species, and like many marine animals they are transparent. Females attack salps (a type of plankton), devour the animal and hollow out its shell. She then enters it and lays her eggs inside. After she’s deposited her eggs, she propels her cargo through the water as the offspring develop, providing them with food. However, that’s not the really cool part (in my opinion anyway). Have you figured out what they look like yet? It’s a Xenomorph Queen!
Source
Beluga whale ‘makes human-like sounds’
Researchers in the US have been shocked to discover a beluga whale whose vocalisations were remarkably close to human speech.
While dolphins have been taught to mimic the pattern and durations of sounds in human speech, no animal has spontaneously tried such mimicry.
But researchers heard a nine-year-old whale named NOC make sounds octaves below normal, in clipped bursts.
The researchers outline in Current Biology just how NOC did it.
But the first mystery was figuring out where the sound was coming from. The whales are known as “canaries of the sea” for their high-pitched chirps, and while a number of anecdotal reports of whales making human-like speech, none had ever been recorded.
When a diver at the National Marine Mammal Foundation in California surfaced saying, “Who told me to get out?” the researchers there knew they had another example on their hands.
Once they identified NOC as the culprit, they made the first-ever recordings of the behaviour.
You know if anything in the ocean told me to get out I think I'd probably skedaddle.
Glowing Seasquirt
Some species of seasquirts have symbiotic relationships with bioluminescent bacteria. The light emitted attracts plankton, which the seasquirt feeds on. In return, the bacteria have a structure to live on.
Nick Hobgood on Flickr
Killer Bobbit Worm (Eunice aphroditois)
Growing up to 3m (9.8 ft) long, the bobbit worm burrows into the ocean ground, waiting for ambush. Its massive teeth and jaws are so strong and fast that it sometimes slices its prey in half. Toxic bristles cover its body and are capable of causing permanent numbness in humans who touch it.
Image: Jenny on Wikipedia
Deep Sea Mysteries: Whipnose Anglerfish
by Kyra Schlining
After 25 years, you might think we had seen all there is to see here in the deep Pacific Ocean, but today was a good reminder that that is definitely not true! During the first hour of our remotely operated vehicle (ROV) dive today, we encountered a very bizarre deep-sea anglerfish from the family Gigantactinidae that we have never filmed before. It had an extremely long lure that was “shaggy” at the tip. Completely amazing!
(read more: MBARI - Bioluminescence and Biodiversity Expedition)
Peek inside a Leatherback Turtle’s (Dermochelys coriacea) mouth: How to eat jelly fish when your mouth is an exquisitely evolved jellyfish deathbed.
We know turtles like to eat jellyfish, and the Leatherback likes them most of all. However, this is the biggest turtle, consuming a prey that extremely low nutritional value, therefore it has to nom on a lot of them. As it does so, it takes in saltwater as well. The jellies and the saltwater get stored in the esophagus.
What happens next you ask? Is it to do with the horrific looking backwards facing spines that don’t look comfortable in anything’s mouth?
But of course! Because that is the beauty of evolution, the refined logic of adaptation.
The muscles of the esophagus squeeze the seawater out of the mouth and the spines, which get progressively larger down the esophagus, hold the jellyfish in place. Once all the water is gone, the jellies are passed into the stomach.
This is one of the many *awesome* characteristics of the leatherback turtle - trawling for jellyfish on this earth for over 90 million year.
Trawling for fish/shrimp (by humans, not leatherbacks), is one of the reasons Leatherbacks are classified as Critically Endangered by the IUCN Red List.
Source: Evolution FB
I finally learned what this picture was of!
Giant Crabs from Tasmania Australia
WTF crustaceans. You’re just showing off now Pseudocarcinus gigas and you don’t even look happy about it. To be fair though, you do live 140–270 metres deep, I’d be pretty grumpy too.
OMG, HE’S HELPING HIM BACK INTO THE OCEAN
A stranded Pan-tropical Spotted Dolphin (Stenella attenuata) with a Cookiecutter Shark (Isistius brasiliensis) bite.
This was a dolphin that stranded in a nearby village a couple of weeks ago. The local government stranding response was really good and in a couple of hours the dead dolphin caught a ride up a steep hill from the beach to the main road from a bunch of strong and ingenious men who fashioned a “stretcher” out of wood and rope lying around.
Popped on the truck, it made it’s way home. To my home, which is fast becoming the dolphin grave yard. Though my living here, and it’s use as a dolphin burial ground are unrelated, it makes for easy work! We performed a necropsy on this super skinny male and found it’s stomach completely devoid of contents. No sign of plastic or fishing hooks though - so it probably had a disease that stopped it from eating.
What did not kill it is the seemingly traumatic bite from it’s side. The massive hole went all the way down to the muscle layer and is the calling card of one of the weird monsters of the deep - the Cookiecutter shark!
Also known as the cigar shark, this charmer grabs large cylindrical chunks of flesh out of large marine animals. How you might ask?
It sucks onto the body surface of the prey and retracts its tongue to create negative pressure with suction lips to ensure a tight seal. Then, the bite, anchored by narrow upper teeth and sliced by the menacing lower teeth. And to top it off, some acrobatics, as the shark twists and rotates the body to make a circular cut, and we’re done.
The bites don’t kill the “prey” which can include cetaceans, sharks, sting rays, dugongs, bony fish and the occasional human….!
Cookie Cutter Shark | Credit
Free Diving with Whales - Bol, Island of Brac – A place of Extraordinary Beauty
Basically upside down Sea Stars, Feather Stars, also known as Crinoids, are a very interesting class with approximately 625 species known. Generally stationary during the day, they tend to come out at night or extend their arms in order to trap food. Like other Echinoderms, Feather Stars have tube feet, however their tube feet lack the suction cups that are present in Sea Stars, Sea Urchins, etc. They instead secrete mucus that traps food particles and directs it into grooves where cilia move the particles to the mouth. [x]
Cranchiidae
