Discover and read the best of Twitter Threads about #slugs
Most recents (1)
Time for a mini thread about #slugs! Compared to their externally shelled snail relatives, there’s a preservation bias in natural history museums against slugs. 
But what are slugs you might ask? It’s a handy name for grouping together gastropod molluscs that have fully or partially lost their shells through evolution but “slugs” have evolved many times.
It’s an artificial grouping of animals. The same is true also of “sea slugs” numerous groups of gastropods that have reduced or lost their shell but live in marine environments.
