Decline and local extinction of Caribbean eusocial shrimp.

The tropical shrimp genus Synalpheus includes the only eusocial marine animals. In much of the Caribbean, eusocial species have dominated the diverse fauna of sponge-dwelling shrimp in coral rubble for at least the past two decades. Here we document a recent, dramatic decline and apparent local exti...

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Autores principales:	J Emmett Duffy, Kenneth S Macdonald, Kristin M Hultgren, Tin Chi Solomon Chak, Dustin R Rubenstein
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c584a49e713a483c945e63c8ae0ac84e
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spelling	oai:doaj.org-article:c584a49e713a483c945e63c8ae0ac84e2021-11-18T07:57:52ZDecline and local extinction of Caribbean eusocial shrimp.1932-620310.1371/journal.pone.0054637https://doaj.org/article/c584a49e713a483c945e63c8ae0ac84e2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23418429/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The tropical shrimp genus Synalpheus includes the only eusocial marine animals. In much of the Caribbean, eusocial species have dominated the diverse fauna of sponge-dwelling shrimp in coral rubble for at least the past two decades. Here we document a recent, dramatic decline and apparent local extinction of eusocial shrimp species on the Belize Barrier Reef. Our collections from shallow reefs in central Belize in 2012 failed to locate three of the four eusocial species formerly abundant in the area, and showed steep declines in colony size and increases in frequency of queenless colonies prior to their disappearance. Concordant with these declines, several nonsocial, pair-forming Synalpheus species increased in frequency. The decline in eusocial shrimp is explained in part by disappearance of two sponge species on which they specialize. Eusocial shrimp collections from Jamaica in 2012 showed similar patterns of decline in colony size and increased queenlessness compared with prior Jamaican collections. The decline and local extinction of eusocial shrimp happened against a backdrop of changes in coral assemblages during recent decades, and may reflect changes in abundance and quality of dead coral substratum and succession of the diverse cryptic organisms living within it. These changes document potentially worrisome declines in a unique taxon of eusocial marine animals.J Emmett DuffyKenneth S MacdonaldKristin M HultgrenTin Chi Solomon ChakDustin R RubensteinPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 2, p e54637 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q J Emmett Duffy Kenneth S Macdonald Kristin M Hultgren Tin Chi Solomon Chak Dustin R Rubenstein Decline and local extinction of Caribbean eusocial shrimp.
description	The tropical shrimp genus Synalpheus includes the only eusocial marine animals. In much of the Caribbean, eusocial species have dominated the diverse fauna of sponge-dwelling shrimp in coral rubble for at least the past two decades. Here we document a recent, dramatic decline and apparent local extinction of eusocial shrimp species on the Belize Barrier Reef. Our collections from shallow reefs in central Belize in 2012 failed to locate three of the four eusocial species formerly abundant in the area, and showed steep declines in colony size and increases in frequency of queenless colonies prior to their disappearance. Concordant with these declines, several nonsocial, pair-forming Synalpheus species increased in frequency. The decline in eusocial shrimp is explained in part by disappearance of two sponge species on which they specialize. Eusocial shrimp collections from Jamaica in 2012 showed similar patterns of decline in colony size and increased queenlessness compared with prior Jamaican collections. The decline and local extinction of eusocial shrimp happened against a backdrop of changes in coral assemblages during recent decades, and may reflect changes in abundance and quality of dead coral substratum and succession of the diverse cryptic organisms living within it. These changes document potentially worrisome declines in a unique taxon of eusocial marine animals.
format	article
author	J Emmett Duffy Kenneth S Macdonald Kristin M Hultgren Tin Chi Solomon Chak Dustin R Rubenstein
author_facet	J Emmett Duffy Kenneth S Macdonald Kristin M Hultgren Tin Chi Solomon Chak Dustin R Rubenstein
author_sort	J Emmett Duffy
title	Decline and local extinction of Caribbean eusocial shrimp.
title_short	Decline and local extinction of Caribbean eusocial shrimp.
title_full	Decline and local extinction of Caribbean eusocial shrimp.
title_fullStr	Decline and local extinction of Caribbean eusocial shrimp.
title_full_unstemmed	Decline and local extinction of Caribbean eusocial shrimp.
title_sort	decline and local extinction of caribbean eusocial shrimp.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/c584a49e713a483c945e63c8ae0ac84e
work_keys_str_mv	AT jemmettduffy declineandlocalextinctionofcaribbeaneusocialshrimp AT kennethsmacdonald declineandlocalextinctionofcaribbeaneusocialshrimp AT kristinmhultgren declineandlocalextinctionofcaribbeaneusocialshrimp AT tinchisolomonchak declineandlocalextinctionofcaribbeaneusocialshrimp AT dustinrrubenstein declineandlocalextinctionofcaribbeaneusocialshrimp
_version_	1718422756282859520

Decline and local extinction of Caribbean eusocial shrimp.

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