mysticsharks

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If only pre historic fish did not grow feet and crawled to the land

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im collecting marine biology memes does anyone have anymore

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Re: the last post, the article mentions that some places use clams to test the toxicity of the water. It’s like that in Warsaw- we get our water from the river, and the main water pump has 8 clams that have triggers attached to their shells. If the water gets too toxic, they close, and the triggers shut off the city water supply automatically.  

The clams are just better at measuring the water quality than any man-made sensors.

Edit: check out this documentary trailer : https://vimeo.com/408820791

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My forever favorite villager Goose!

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I love corals so much

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✨Horseshoe crabs✨

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Found all of this on my morning walk. Remember it’s important to recycle and reduce single use plastic consumption! ✨

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Sea butterflies found on the coast of North Carolina

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Scientists have come up with a new way to turn plastic waste into liquid fuel. It uses less energy than previous methods, and produces a higher quality end product.

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today is world wildlife day. students from hong kong, san francisco and san diego are raising awareness about the state of ocean wildlife, which is threatened by ocean acidification from climate change, unsustainable fishing practices, habitat destruction, and pollution.  

according to a recent study published in the journal science, ocean life faces mass extinction. a team of scientists, in a groundbreaking analysis of data from hundreds of sources, have concluded that humans are on the verge of causing unprecedented damage to the oceans and the animals living in them. (x, x, x)

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Humpback whale breaching from below and above the water

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the downside up

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closely related to sharks but with long, flat bodies and wing-like pectoral fins, mobula rays are ideally suited to swooping through the water - here off the gulf of california - yet seem equally at home in the air, so much so that they have earned the name “flying rays”. mobula rays can reach heights of more than two metres, remaining airborne for several seconds. 

mobula rays are quite elusive and difficult to study, so biologists are not quite sure why they jump out of the water. theories vary from a means of communication, to a mating ritual (though both males and females jump), or as a way to shed themselves of parasites. they could also be jumping as a way of better corralling their pray, as seen with them swimming in a circular formation. 

what is known about mobula rays is that they reach sexual maturity late and their investment in their offspring is more akin to mammals than other fishes, usually producing just a single pup after long pregnancies, all of which makes them extremely vulnerable to commercial fishing, especially as a species that likes to come together in large groups.

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A group of surfers, including two who lost limbs in shark attacks, are promoting a surfboard fin aimed at stopping shark culls.

To be manufactured in the Victorian surf town of Torquay, the black-and-white fibreglass fin features the words: “If my life’s taken, don’t take theirs.”

By fixing the fin to their board, the surfer is indicating that in the event they are killed by a shark, they do not wish the shark to be killed in retaliation.

Profits are being donated to shark charities. [x]

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“Sharks have everything a scientist dreams of. They’re beautiful - God, how beautiful they are! They’re like an impossibly perfect piece of machinery. They’re as graceful as any bird. They’re as mysterious as any animal on earth. There are more than two hundred and fifty species of shark and everyone is different from every other one.” - Peter Benchley

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The Chimaera, known informally as the “ghost shark” or “rat fish”, is a deep sea cartilaginous fish in the order Chimaeriformes. Living at over 8,000 ft below the surface, the Chimaera is well adapted to the deep, dark sea. The dots on its nose are sensory organs that detect electrical fields in the water - helping the Chimera find its prey. While little is known about the Chimaera’s diet, it’s speculated that it feeds on molluscs and crustaceans that it crushes open with the grinding plates in its mouth. The spines on the top of its body are loaded with venom; the Chimaera uses these spines to defend itself.