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      Cataphryxus zapoteca sp. nov. (Isopoda, Bopyridae) and new hosts and records of bopyrid isopods from the Mexican Eastern Pacific

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      Systematic Parasitology
      Springer Netherlands

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          Abstract

          Based on the examination of diverse crustacean taxa collected along the Mexican Pacific and deposited in the Colección Nacional de Crustáceos of the Instituto de Biología, UNAM, six species of bopyrid isopods were detected. New hosts and localities are reported for Munidion pleuroncodis Markham, 1975, Probopyrus pacificensis Román-Contreras, 1993, Probopyrus markhami Román-Contreras, 1996, Progebiophilus bruscai Salazar-Vallejo & Leija-Tristán, 1990 and Schizobopyrina striata (Nierstrasz & Brender à Brandis, 1929). Cataphryxus zapoteca sp. nov., is described as abdominal parasite of the shrimp Lysmata galapagensis Schmitt; this bopyrid is the second species described in the genus Cataphryxus Shiino, 1936 and the first registered on the American continent. Taxonomic characters, distribution and some reproductive data for five of the six species examined are provided in order to update the knowledge of this parasite group in this Eastern Pacific region.

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          The Global Diversity of Parasitic Isopods Associated with Crustacean Hosts (Isopoda: Bopyroidea and Cryptoniscoidea)

          Parasitic isopods of Bopyroidea and Cryptoniscoidea (commonly referred to as epicarideans) are unique in using crustaceans as both intermediate and definitive hosts. In total, 795 epicarideans are known, representing ∼7.7% of described isopods. The rate of description of parasitic species has not matched that of free-living isopods and this disparity will likely continue due to the more cryptic nature of these parasites. Distribution patterns of epicarideans are influenced by a combination of their definitive (both benthic and pelagic species) and intermediate (pelagic copepod) host distributions, although host specificity is poorly known for most species. Among epicarideans, nearly all species in Bopyroidea are ectoparasitic on decapod hosts. Bopyrids are the most diverse taxon (605 species), with their highest diversity in the North West Pacific (139 species), East Asian Sea (120 species), and Central Indian Ocean (44 species). The diversity patterns of Cryptoniscoidea (99 species, endoparasites of a diverse assemblage of crustacean hosts) are distinct from bopyrids, with the greatest diversity of cryptoniscoids in the North East Atlantic (18 species) followed by the Antarctic, Mediterranean, and Arctic regions (13, 12, and 8 species, respectively). Dajidae (54 species, ectoparasites of shrimp, mysids, and euphausids) exhibits highest diversity in the Antarctic (7 species) with 14 species in the Arctic and North East Atlantic regions combined. Entoniscidae (37 species, endoparasites within anomuran, brachyuran and shrimp hosts) show highest diversity in the North West Pacific (10 species) and North East Atlantic (8 species). Most epicarideans are known from relatively shallow waters, although some bopyrids are known from depths below 4000 m. Lack of parasitic groups in certain geographic areas is likely a sampling artifact and we predict that the Central Indian Ocean and East Asian Sea (in particular, the Indo-Malay-Philippines Archipelago) hold a wealth of undescribed species, reflecting our knowledge of host diversity patterns.
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            A monograph on the isopods of North America

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              A molecular phylogeny of Bopyroidea and Cryptoniscoidea (Crustacea: Isopoda)

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                Author and article information

                Contributors
                falvarez@ib.unam.mx
                Journal
                Syst Parasitol
                Syst Parasitol
                Systematic Parasitology
                Springer Netherlands (Dordrecht )
                0165-5752
                1573-5192
                17 October 2023
                17 October 2023
                2023
                : 100
                : 6
                : 697-714
                Affiliations
                Colección Nacional de Crustáceos, Instituto de Biología, Universidad Nacional Autónoma de México (UNAM), ( https://ror.org/01tmp8f25) Apartado Postal 70–153, 04510 Mexico City, Mexico
                Author information
                http://orcid.org/0000-0002-5034-8115
                http://orcid.org/0000-0002-7347-5483
                Article
                10118
                10.1007/s11230-023-10118-z
                10613140
                37847453
                75cfaf09-5888-4b28-9d37-3c18fd3a8d81
                © The Author(s) 2023

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 19 August 2023
                : 13 September 2023
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                © Springer Nature B.V. 2023

                Parasitology
                Parasitology

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