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Ciguatoxic Potential of Brown-Marbled Grouper in Relation to Fish Size and Geographical Origin.

Abstract
To determine the ciguatoxic potential of brown-marbled grouper (Epinephelus fuscoguttatus) in relation to fish size and geographical origin, this review systematically analyzed: 1) reports of large ciguatera outbreaks and outbreaks with description of the fish size; 2) Pacific ciguatoxin (P-CTX) profiles and levels and mouse bioassay results in fish samples from ciguatera incidents; 3) P-CTX profiles and levels and risk of toxicity in relation to fish size and origin; 4) regulatory measures restricting fish trade and fish size preference of the consumers. P-CTX levels in flesh and size dependency of toxicity indicate that the risk of ciguatera after eating E. fuscoguttatus varies with its geographical origin. For a large-sized grouper, it is necessary to establish legal size limits and control measures to protect public health and prevent overfishing. More risk assessment studies are required for E. fuscoguttatus to determine the size threshold above which the risk of ciguatera significantly increases.
AuthorsThomas Y K Chan
JournalThe American journal of tropical medicine and hygiene (Am J Trop Med Hyg) Vol. 93 Issue 5 Pg. 1117-21 (Nov 2015) ISSN: 1476-1645 [Electronic] United States
PMID26324735 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
Copyright© The American Society of Tropical Medicine and Hygiene.
Chemical References
  • Ciguatoxins
Topics
  • Animals
  • Body Size
  • Ciguatera Poisoning (epidemiology)
  • Ciguatoxins (toxicity)
  • Disease Outbreaks
  • Geography
  • Humans
  • Indian Ocean (epidemiology)
  • Pacific Ocean (epidemiology)
  • Perciformes (physiology)
  • Risk Assessment

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