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A description of Neoechinorhynchus (Neoechinorhynchus) veropesoi n. sp. (Acanthocephala: Neoechinorhynchidae) from the intestine of the silver croaker fish Plagioscion squamosissimus (Heckel, 1840) (Osteichthyes: Sciaenidae) off the east coast of Brazil

Published online by Cambridge University Press:  09 September 2013

F.T.V. Melo ,
P.A.F.B. Costa ,
E.G. Giese ,
S.L. Gardner  and
J.N. Santos
F.T.V. Melo*
Affiliation:
CAPES Foundation, Ministry of Education of Brazil, Brasília–DF70040-020, Brazil Laboratório de Biologia Celular e Helmintologia ‘Profa. Dra. Reinalda Marisa Lanfredi’, Universidade Federal do Pará, Instituto de Ciências Biológicas, Rua Augusto Corrêa 01, Guamá, Belém, Pará66075-110, Brazil
P.A.F.B. Costa
Affiliation:
Laboratório de Biologia Celular e Helmintologia ‘Profa. Dra. Reinalda Marisa Lanfredi’, Universidade Federal do Pará, Instituto de Ciências Biológicas, Rua Augusto Corrêa 01, Guamá, Belém, Pará66075-110, Brazil
E.G. Giese
Affiliation:
Laboratório de Biologia Celular e Helmintologia ‘Profa. Dra. Reinalda Marisa Lanfredi’, Universidade Federal do Pará, Instituto de Ciências Biológicas, Rua Augusto Corrêa 01, Guamá, Belém, Pará66075-110, Brazil Laboratório de Histologia e Embriologia Animal, Instituto de Saúde e Produção Animal, Universidade Federal Rural da Amazônia, Av. Perimetral, 2501, Montese, Belém, Pará66077-901, Brazil
S.L. Gardner
Affiliation:
The Harold W. Manter Laboratory of Parasitology, W-529 Nebraska Hall, University of Nebraska State Museum and School of Biological Sciences University of Nebraska, Lincoln, Nebraska68588-0514, USA
J.N. Santos
Affiliation:
Laboratório de Biologia Celular e Helmintologia ‘Profa. Dra. Reinalda Marisa Lanfredi’, Universidade Federal do Pará, Instituto de Ciências Biológicas, Rua Augusto Corrêa 01, Guamá, Belém, Pará66075-110, Brazil
*
*Fax: +55 91 32017601 E-mail: ftiago@ufpa.br
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Abstract

Plagioscion squamosissimus (Heckel, 1840) (Osteichthyes: Sciaenidae) is considered piscivorous and is a generalist species endemic to the Amazon region. This fish is an important part of the natural ecosystems in which it occurs and provides basic functional components in the food web. The genus Neoechinorhynchus Stiles & Hassall, 1905 is distributed worldwide and parasitizes fish and turtles, but there are few reports of parasites of this genus in South America, due to the high diversity of fish that can be found in this region. A new species of thorny-headed worm (Acanthocephala: Neoechinorhynchidae) is described from P. squamosissimus from Guajará Bay, Belém, Pará, Brazil. In general, the unique characteristics of the hooks on the anterior end of the proboscis and the length-to-width ratio relationship separate this new species from other described species in the genus Neoechinorhynchus. Although the species in this genus are mostly found in North America, the dearth of species known from the neotropics may be due to the lack of studies in this region.

Type
Research Papers
Information
Journal of Helminthology , Volume 89 , Issue 1 , January 2015 , pp. 34 - 41
Copyright
Copyright © Cambridge University Press 2013 

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