SLURPING OYSTERS from their shells may be a rare indulgence for humans, but these bivalve molluscs and their relatives, such as clams and mussels, slurp for a living. Most are filter feeders, ...
Cichlids build nests from abandoned snail shells. A new study shows that while this behavior is instinctive, the fish become increasingly skilled at it with practice. We associate nests with shelter, ...
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