egg casing of a ray fish also known as mermaids purse.

beachcombing beaches capsule case cases casing chimaeras coast coasts egg eggs embryo embryos fish marine mermaids mottled natural nature natures ocean oceans oviparity oviparous pebble pebbles purse ray sea seafront seafronts sealife seas seashore seashores seaweed seaweeds sharks shoreline shorelines skate skates squalomorphii stone stones wildlife