What is the biggest seashell ever found?
The three largest species in the registry are the bivalves Kuphus polythalamia, Tridacna gigas and Pinna nobilis, with maximum recorded shell sizes of 1,532.0 mm (5 ft 0.31 in), 1,368.7 mm (4 ft 5.89 in) and 970.0 mm (3 ft 2.19 in), respectively.
Are there any seashells worth money?
Some shells are quite valuable, worth tens of thousands even hundreds of thousands of dollars. Arguably the rarest shell today is the Sphaerocypraea incomparabilis , a kind of snail with a dark shiny shell and an unusual boxy-oval shape and a row of fine teeth on one edge.
Is it illegal to take a conch shell?
Conch shells and shell jewelry are sold to tourists and the live animals are used for the aquarium trade. … Queen conch was once found in high numbers in the Florida Keys but, due to a collapse in conch fisheries in the 1970s, it is now illegal to commercially or recreationally harvest queen conch in that state.