Research Document - 2012/013

Biological synopsises for three exotic molluscs, Manila Clam (Venerupis philippinarum), Pacific Oyster (Crassostrea gigas) and Japanese Scallop (Mizuhopecten yessoensis) licensed for Aquaculture in British Columbia

By G.E. Gillespie, S.M. Bower, K.L. Marcus, and D. Kieser

Abstract

This document provides synopses of biological information on three mollusc species utilized for aquaculture in British Columbia: Manila clam, Pacific oyster and Japanese scallop The synopses are designed to meet the information needs for risk assessment under the National Code on Introductions and Transfers of Aquatic Organisms. Information from the literature on taxonomy, distribution, biology, health and ecology is summarized for each species Where available other information required for assessment under the National Code is provided This information is intended to contribute to the assessment of transfers required for expansion of shellfish aquaculture beyond the current range of these species in British Columbia and to assess the utility of current Introduction and Transfer Zones in light of each species’ distribution and potential for dispersal Recommendations include conducting formal risk assessments for these species to evaluate information needs and identify gaps for future assessments and developing synopses for other non-indigenous culture species and high-priority indigenous species under consideration for aquaculture.

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