Allen Collins

@agcollins.bsky.social

Appreciator of comb jellies, medusan jellies, medusan polyps, medusan other stages, sponges (particularly the glass ones). I speak for myself.

This is a perfect case of an animal evolving to deal with fluid dynamics. There's a boundary layer on the bottom where the water is still. Raising up above it allows the animal to take advantage of currents for feeding and gamete dispersion. Infant help wondering though...

Chris Mah@echinoblog.bsky.social · 6mo ago

Years ago I was obsessed with these Antarctic "tulips"-eventually learned they were TUNICATES, Molgula pedunculata #tunicateTuesday Such crazy lookin' things! www.researchgate.net/publication/...

"The product..takes advantage of the porous nature of starfish skeletons... the microstructure of starfish skeletons helps regulate the release of chloride from salt, reducing damage to concrete by up to 90%, while improving the ability to melt snow and ice..." www.bostonglobe.com/2026/03/15/s...

Massachusetts loves winter road salt. But why not sprinkle in some starfish skeletons? - The Boston Globe

A new technology that adds crushed starfish skeletons to winter road salt can minimize damage to streets and the environment.

bostonglobe.com