Examination of the potential relationship between boring sponges and pea crabs and their effects on eastern oyster condition

Diseases of Aquatic Organisms
Jessica C WattsChristopher M Finelli

Abstract

The eastern oyster Crassostrea virginica provides a number of ecosystem services and is an important commercial fishery species along the US East and Gulf Coasts. Oyster populations have declined dramatically due to overharvesting, habitat loss, and disease. As restoration efforts and aquaculture of oysters continue to increase throughout their range, it is important to consider the impacts of a number of potential oyster pests, including the boring sponge Cliona spp. and the pea crab Zaops (Pinnotheres) ostreum, on oyster populations. Both of these have been demonstrated to reduce oyster growth, condition, and in some instances, reproductive output. Boring sponges in particular are a major concern for oyster growers and managers. Our monitoring efforts have suggested that pea crabs might be more prevalent in sponge-infested oysters; we therefore conducted an observational study to determine if there was any relationship between pea crab prevalence and sponge presence, and to examine whether the presence of both pests had synergistic effects on oyster condition. At 2 very different sample sites, North Carolina and New Jersey, oysters with 1 pest (i.e. boring sponge) were significantly more likely to have the second pest (i.e. p...Continue Reading

References

Feb 15, 1992·Proceedings of the National Academy of Sciences of the United States of America·A R Palmer
Aug 25, 2004·Proceedings of the National Academy of Sciences of the United States of America·Michael Xavier Kirby
Mar 4, 2005·The American Naturalist·Spencer R HallCarla E Cáceres
Oct 17, 2006·Ecology Letters·Geoffrey C TrussellCatherine M Matassa
Jul 20, 2013·Ecological Applications : a Publication of the Ecological Society of America·Michael J WilbergJason M Robinson
Nov 7, 2013·Oecologia·James E ByersDavid L Kimbro
Nov 18, 2015·Diseases of Aquatic Organisms·John M CarrollChristopher M Finelli

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