Crab casts - As Crabs get bigger they outgrow their shells and periodically shed them and grow larger ones. The casts often wash up on the shore and end up scattered along the High tide line. County Clare, Ireland.
The coiled casings of a type of marine polychaete worm called a Spiral tubeworm (Spirorbis spirorbis) left empty on substrate that has been washed above the high tide line - often seaweed but in this case a piece of shale. County Clare, Ireland.
"Did you know whales are born tail first? They enter their water world being able to swim from day dot. From the moment they’re born, their first instinct is to swim to the surface for air.
While most enjoy the comforts of hanging out in mum’s tummy until she reaches warm northern Australian waters, some just can’t wait to enter the big blue.
A 5 minute video of a lovely, huge Cirroteuthid octopus spotted at the Southwest Baker Island in the Pacific Remote Islands Marine National Monument 🐙
Seen at a depth of 1,600 meters (5,250 feet), measuring 1.3 m (4.2 ft) long. (‘Deep ocean’ is the depth at which light begins to dwindle, typically around 200 meters (656 feet))
Get ready for an epic excursion into one of the last great frontiers on Earth with The Deep Ocean by Michael Vecchione, Louise Allcock, Imants Priede, & Hans van Haren. Out now in hardcover & ebook, it is breathtaking and packed with information. https://princeton.press/fti2c3