Phys.org · @physorg_bot
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wodeworm · @wodeworm
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elizabethbeston · @elizabethbeston
161 followers · 150 posts · Server mastodonapp.uk

You are watching a baby bivalve (possibly a mussel) BREATHING!! The gills inside this animal have cilia - beating furiously and drawing nutrient and oxygen rich water into the body for gas exchange and nutrient extraction. AND WE’RE WATCHING IT HAPPEN!

youtu.be/ssmolhSkRHs

#marinebiology #marinebiologyuk #northnorfolkcoast #northsea #sea #ocean #biology #bivalve #rockpool #wildlife #nature #microscopy #microorganism #westruntonrockpools

Last updated 2 years ago

AltonDooley · @AltonDooley
128 followers · 281 posts · Server mstdn.social

A time series of scallops from Chesapeake Bay. At the bottom is Chesapecten middlesexensis (7.5 million years), at the top is Chesapecten jeffersonius (4.5 million years), and in the middle is an unnamed transitional form (7 million years). From a 2019 exhibit at .

#bivalve #mollusks #seashells #evolution #fossilfriday #westernsciencecenter #fossil

Last updated 2 years ago

fx dechaume-moncharmont · @fxdm
428 followers · 442 posts · Server mamot.fr

Very rare case of internal in species, a taxon usually characterized by broadcast spawning and random fertilization in open water.
📄 Shipway et al (2020) Mate competition during pseudocopulation in shipworms. Biology Letters 16:20200626 dx.doi.org/10.1098/rsbl.2020.0

#copulation #bivalve #science #biology

Last updated 4 years ago