Seychelles Sea Cucumber Fishery

Haruko Koike and Alan Friedlander

This study assesses the ecology and the fishery of sea cucumbers in the Seychelles to aid future management decisions

 

Thelanota ananas

Holothuria fuscogilva

Background

Sea cucumbers have been fished as a delicacy for many years, but recent increases in demand have led some species to become overfished and even endangered. To compensate for the decline in catch, fishing grounds have expanded. Seychelles sea cucumber fishery has grown since the 1990s and the Seychelles Fishing Authority (SFA) has noticed a decline in their population. This project aims to further understand the ecology of sea cucumbers in Seychelles, assess their stock  status, and simulate management scenarios.

Seacucumber Fishermen in the Seychelles

Seacucumber Fisherman in the Seychelles

Project Goals

  • Assess current stock status and its response to fishing activities and habitat
  • Describe the fishery pattern
  • Create recommendations for management

Methods

Ecological

  • Conduct underwater visual survey to estimate current stock size and habitat associated

Fishery Analysis

  • Analyze fishery trend from log books
  • Combine conventional stock assessment with ecological data collected

Economical

  • Conduct bioeconomic analysis to provide management option through market control

NMDS graph showing the relationship between ecological variable, fishing effort,  and size

NMDS graph showing the relationship between ecological variable, fishing effort, and size

For more information please contact Haruko Koike: hkoike@hawaii.edu

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