You can determine if mussels are bad by checking for a strong, unpleasant odor, slimy texture, or any visible signs of mold or discoloration. Additionally, mussels that are open and do not close when tapped should be discarded as they may be spoiled.
It is difficult to determine if the floating mussels are dead without further information or observation.
The easiest indication is odor. Anything that smells bad should not be eaten. Cracked or broken mussels should not be eaten, as well as mussels that remain open when submerged in water, (an indication that they have unfortunately already died).
24 hours in the 'fridge is pushing it.
Eating anything can cause nightmares, if it is not fresh, or over-spiced. I doubt that there's anything about mussels that makes them more prone to produce bad dreams.
Mussels are shellfish, not rabbits. I would suggest not feeding mussels leaves.
Zebra mussels have stripes.
Freshwater mussels live in rivers, while saltwater mussels live in oceans. Even though it is mussels, it differs a lot. Freshwater mussel and saltwater mussels hunt different things, because they live in different places.
I was recently on holiday in France and 4 of us ate mussels with 'pea crabs' inside them and we are all still alive and well! The only thing that was bad was the 'whose got crabs?' jokes that followed!
The collective noun is a bed of mussels.
Bears can inhale freshwater mussels when they want.
G. Thomas Watters has written: 'A guide to the freshwater mussels of Ohio' -- subject(s): Freshwater mussels, Identification, Mussels 'The freshwater mussels of Ohio' -- subject(s): Identification, Margaritiferidae, Freshwater mussels, Unionidae
No, mussels have no brain, as with all bivalves.