Need Information on Geoducks?

Eric Gant helped to pioneer the wild Geoduck Clam Fishery in British Columbia, Canada. One of his companies, Manatee Holdings Ltd. also spear headed the Geoduck Clam Culture Industry in British Columbia, Canada. Manatee harvests Geoduck clams and sea cucumbers from the wild fisheries. The market for these species is expanding far beyond the industry’s ability to satisfy.

Geoduck clams are found throughout coastal British Columbia from the intertidal zone to depths of 300 meters. A geoduck grows rapidly for the first 10 to 15 years of its existence and can live to be a 150 years old. They are harvested individually by divers using a directed water jet called a “stinger” which loosens the substrate around the clams and allows them to be lifted out.

Geoducks, sometimes called the “elephant trunk clam” by the Chinese, are among the longest-lived animals in the world. They are unique among clams because of the length of their siphons or necks. It is this feature that enables them to burrow deeply into the substrate on the ocean’s bottom.

In order to preserve the value of their catch, and to ensure consumer safety, the Underwater Harvesters Association has developed a “Market Approved” protocol to reduce the chance of illegally caught geoduck clams from moving into commercial distribution. From point of harvest to delivery to a federally registered shellfish plant, all commercially harvested geoducks must be packed in “cages” that are tagged with the information necessary to track any cage back to its point of harvest.

To learn more information about geoducks, you may visit their website at or email

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