Volume 69

Repeated Surveys of Queen Conch (Lobatus gigas) in The Bahamas Show Population Declines and a Morphometric Shift Towards Smaller Sizes

Kough, A.S., and A.W. Stoner
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Date: November, 2016

Pages: 260 - 262

Event: Proceedings of the Sixty eigth Annual Gulf and Caribbean Fisheries Institute

City: Grand Cayman

Country: Cayman Islands


The queen conch is a valuable and easy to harvest denizen of Caribbean benthic marine ecosystems, leading to population declines in many locations. In response, fishery regulations have been instituted in some nations, often designed to temper harvest by ensuring that only mature adults are harvested. Conch aggregate in shallow water sites during the reproductive season and shell lip thickness is a relative indicator of age (Appeldoorn 1988, Stoner et al. 2012a). Predictable shell growth and aggregation patterns facilitate the assessment of population density, size, and age structure in tandem over large areas.

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