All this makes skates especially vulnerable to a population decline from bycatch. Telling your whelk egg case strings apart, Southern New England to Mid-Atlantic division: This is the egg case of the channeled whelk, Busycotypus canaliculatus. Some of these egg cases may even have embryonic creatures still inside. Sellers looking to grow their business and reach more interested buyers can use Etsys advertising platform to promote their items. We also created 2.6 million jobs in the U.S.enough to employ the entire city of Houston, TX! Whelks lay their eggs in a long, spiral-shaped casing that can reach up to 33 inches in length. By recording your finds, you're helping us to discover more about egg-laying species in our waters. A soft green blob of eggs about the size of a penny. Her expertise extends from weddings and animals to every pop culture moment in between. Conservation efforts that began in the 1990s have succeeded in increasing numbers, but scientists still consider this species to be endangered. The native habitat of these whelks includes waters in the western Pacific Ocean including the Sea of Japan, Yellow Sea, East China Sea, and the Bohai Sea. Growth: These snails grow rapidly to their adult size of two to four inches in length. The fine example about was found by by Claire Richardson on the west coast of Scotland and has her size 5 foot for scale. Thanks for the photo Lee! TheWildlife Trusts is a movement made up of 46 Wildlife Trusts: independent charities with a shared mission. This is the egg case string of the knobbed whelk, Busycon carica. (Ask) Lightning whelks (Busycon contrarium) eat mostly bi-valves (shells with 2 halves) and especially love clams which they pry open using their strong "foot". Happy hunting! Dont see this option? //