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Type: Journal article
Title: Established populations of Paracerceis sculpta (isopoda) in the Northern Gulf of Mexico
Author: Munguia Matute, P.
Shuster, S.
Citation: Journal of Crustacean Biology, 2013; 33(1):137-139
Publisher: Brill Academic Publishers
Issue Date: 2013
ISSN: 0278-0372
Statement of
Pablo Munguia and Stephen M. Shuster
Abstract: A population of the isopod Paracerceis sculpta Holmes, 1904 was found in Port Aransas, Texas in Northern Gulf of Mexico in 2009, the first report of the species in the Gulf of Mexico. The last large isopod survey in the area was conducted in 1981 implying that P. sculpta invaded some time in the last 28 years. Here, we show size frequency distributions of 858 individuals, alpha males (mean length = 5.48 mm ± 0.09 SE), pre-alpha males (3.94 mm ± 0.15), females (2.76 mm ± 0.03) and juveniles (1.24 mm ± 0.02). Beta and gamma males are absent in Texas, a major contrasting difference between the invasive and native populations.
Keywords: alternative mating strategies
invasive species
range expansion
Rights: © The Crustacean Society, 2013
DOI: 10.1163/1937240X-00002112
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Appears in Collections:Aurora harvest 7
Ecology, Evolution and Landscape Science publications

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