“Mussel Shell Study” 2012, blown glass cylinders, hot sculpted and cold worked glass mussel shells and found mussel shells 14”x13”x5.5”
“Mytilus Edulis” (Blue Mussel shell with barnacle) 2011, Hot sculpted and cold-worked blown glass 14”x7.5”x7”
n478_w1150 by BioDivLibrary on Flickr.
Various freshwater mussels
Note that the female of Unio radiatus resembles a fish. This is because the young are parasites of fish gills so this fish shaped lure acts to attract predatory fish that attack it and get infected with mussel larva.
See this post at Scrubmuncher’s Blog for more info
Evolution of active host-attraction strategies in the freshwater mussel tribe Lampsilini (Bivalvia: Unionidae) (pdf)
Transactions of the American Philosophical Society. v.6.
Philadelphia :The Society, 1839.