The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific
ABSTRACT The genus TrischizostomaBoeck, 1861 is a cosmopolitan group of parasitic and symbiotic aristoidean amphipods whose distribution is poorly known, with scarce specimens reported principally from pelagic environments until 3655 m depth. In this note, Trischizostoma crosnieriLowry & Stoddar...
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Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
2021
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oai:scielo:S0718-560X20210002003652021-06-10The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern PacificPérez-Schultheiss,JorgeSellanes,Javier Trischizostoma parasitic amphipod methane seep Chile ABSTRACT The genus TrischizostomaBoeck, 1861 is a cosmopolitan group of parasitic and symbiotic aristoidean amphipods whose distribution is poorly known, with scarce specimens reported principally from pelagic environments until 3655 m depth. In this note, Trischizostoma crosnieriLowry & Stoddart, 1993, a species described for the southwest Pacific, is recorded for the first time in the southeast Pacific. The species was known previously only from a female specimen, described from the Philippines, with two additional unpublished records from the east coast of Australia and Tasmania. The specimens studied herein were obtained at 874 m depth, 36 nm to the northwest of Concepción, Biobío Region, in a methane seep site. However, the relationship between this species with this particular habitat is still uncertain. The genus Trischizostoma has been cited for the Nazca and Salas y Gómez ridges; nevertheless, our finding constitutes the first record of a species at the continental margin off Chile, raising to four the known species of the genus for Chilean waters.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.49 n.2 20212021-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000200365en10.3856/vol49-issue2-fulltext-2536 |
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Scielo Chile |
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Scielo Chile |
| language |
English |
| topic |
Trischizostoma parasitic amphipod methane seep Chile |
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Trischizostoma parasitic amphipod methane seep Chile Pérez-Schultheiss,Jorge Sellanes,Javier The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| description |
ABSTRACT The genus TrischizostomaBoeck, 1861 is a cosmopolitan group of parasitic and symbiotic aristoidean amphipods whose distribution is poorly known, with scarce specimens reported principally from pelagic environments until 3655 m depth. In this note, Trischizostoma crosnieriLowry & Stoddart, 1993, a species described for the southwest Pacific, is recorded for the first time in the southeast Pacific. The species was known previously only from a female specimen, described from the Philippines, with two additional unpublished records from the east coast of Australia and Tasmania. The specimens studied herein were obtained at 874 m depth, 36 nm to the northwest of Concepción, Biobío Region, in a methane seep site. However, the relationship between this species with this particular habitat is still uncertain. The genus Trischizostoma has been cited for the Nazca and Salas y Gómez ridges; nevertheless, our finding constitutes the first record of a species at the continental margin off Chile, raising to four the known species of the genus for Chilean waters. |
| author |
Pérez-Schultheiss,Jorge Sellanes,Javier |
| author_facet |
Pérez-Schultheiss,Jorge Sellanes,Javier |
| author_sort |
Pérez-Schultheiss,Jorge |
| title |
The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| title_short |
The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| title_full |
The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| title_fullStr |
The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| title_full_unstemmed |
The occurrence of the parasitic amphipod Trischizostoma crosnieri (Amphipoda: Amphilochidea: Lysianassida) in a methane seep site in the southeastern Pacific |
| title_sort |
occurrence of the parasitic amphipod trischizostoma crosnieri (amphipoda: amphilochidea: lysianassida) in a methane seep site in the southeastern pacific |
| publisher |
Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar |
| publishDate |
2021 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000200365 |
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