Prayer is a bivalve mollusc that lives buried in sandy shell bottoms.
It measures 4.5 to 5 centimeters and its regulation catch size is 4.3 centimeters, which corresponds to a prayer aged around 6-7 years. However, it can live more than 20 years for a size of over 7 centimeters and a weight of over 100 grams, all depending on where it lives, just like the color of its shell, which will vary according to the seabed.
On the Destination Granville Terre et Mer, it is whitish in color, and is nicknamed “sand pirate“.
It feeds on plankton and organic matter suspended in seawater.