Mass mortality of male Oceanic PufferLagocephalus lagocephalus(Tetraodontidae) at Trindade Island (Brazil), South Atlantic Ocean, with a review of mortalities in Hawaii and the Gulf of Guinea

Autor:	Storrs L. Olson
Rok vydání:	2015
Předmět:	Lagocephalus geography geography.geographical_feature_category biology Atoll biology.organism_classification Pacific ocean West africa Mass mortality Fishery Oceanography Ichthyology General Agricultural and Biological Sciences Oceanic puffer Tetraodontidae
Zdroj:	Proceedings of the Biological Society of Washington. 127:568-571
ISSN:	1943-6327 0006-324X
DOI:	10.2988/0006-324x-127.4.568
Popis:	In a 24 hr period during 23–25 December 1975, I documented a minimum of 282 dead individuals of Oceanic Puffer Lagocephalus lagocephalus that had washed ashore on the remote South Atlantic island of Trindade, 1200 km east of the coast of Brazil. All of the more than 50 individuals for which I determined the sex had been reproductively active males. The locality is much farther south than the species has been previously recorded in the western Atlantic. I present evidence from ephemeral sources that report similar die-offs of Lagocephalus lagocephalus in the Hawaiian Islands and Fanning Atoll in the Pacific, and the Gulf of Guinea and Gabon in the eastern Atlantic for which, unfortunately, no scientific details, such as the sex of the individuals or other information that could explain cause of death, appears to have been published. The Trindade observation suggests that mass mortalities of this puffer may be associated with reproductive swarms.
Databáze:	OpenAIRE
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