Circeaster americanus

Circeaster americanus (A.H. Clark 1916) Figure 7 A–C Circeaster americanus is a widely occurring species throughout the western North Atlantic, with occurrence recorded throughout the tropical Atlantic to the mid-Atlantic Ridge (Mah 2015). Most Circeaster diversity is known primarily in the Indo-Pac...

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Main Author: Mah, Christopher L.
Format: Other/Unknown Material
Language:unknown
Published: 2020
Subjects:
Online Access:https://zenodo.org/record/3803731
https://doi.org/10.5281/zenodo.3803731
id ftzenodo:oai:zenodo.org:3803731
record_format openpolar
spelling ftzenodo:oai:zenodo.org:3803731 2023-05-15T17:32:06+02:00 Circeaster americanus Mah, Christopher L. 2020-04-20 https://zenodo.org/record/3803731 https://doi.org/10.5281/zenodo.3803731 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03AE8786FFACD552FF40218EFCBA5F84 doi:10.11646/zootaxa.4766.2.1 http://zenodo.org/record/3764018 http://publication.plazi.org/id/FF97FFFEFFBDD540FFD72117FFDE5D28 doi:10.5281/zenodo.3764032 http://zoobank.org/urn:lsid:zoobank.org:pub:B47DC09C-181A-4DFE-B415-770AFFC11BD3 doi:10.5281/zenodo.3803730 https://zenodo.org/communities/biosyslit https://zenodo.org/record/3803731 https://doi.org/10.5281/zenodo.3803731 oai:zenodo.org:3803731 info:eu-repo/semantics/openAccess New species, occurrence records and observations of predation by deep-sea Asteroidea (Echinodermata) from the North Atlantic by NOAA ship Okeanos Explorer, pp. 201-260 in Zootaxa 4766(2) 218-219 Biodiversity Taxonomy Animalia Echinodermata Asteroidea Valvatida Goniasteridae Circeaster Circeaster americanus info:eu-repo/semantics/other publication-taxonomictreatment 2020 ftzenodo https://doi.org/10.5281/zenodo.380373110.11646/zootaxa.4766.2.110.5281/zenodo.376403210.5281/zenodo.3803730 2023-03-10T18:22:45Z Circeaster americanus (A.H. Clark 1916) Figure 7 A–C Circeaster americanus is a widely occurring species throughout the western North Atlantic, with occurrence recorded throughout the tropical Atlantic to the mid-Atlantic Ridge (Mah 2015). Most Circeaster diversity is known primarily in the Indo-Pacific where it is represented by eight species. Two of the most closely related species to C. americanus, Circeaster pullus Mah 2006 and Circaster sandrae Mah 2006 occur in the north and south Pacific, respectively. Morphological variation was observed in this species across its range. The Caribbean form (Fig. 7A, 721 m) showed slender arms and demonstrated a closer resemblance to the Pacific species, such as C. pullus and C. sandrae. In contrast, two individuals from the Gulf of Mexico (694-1133 m) displayed massive and strongly developed marginal plate series with thicker and more broadly triangular arms. Feeding Observations This species was observed feeding on three occasions. Observations showed predation on two different types of octocoral species. One observation (721 m) showed an individual with an arm upturned adjacent to a denuded Chrysogorgia colony. The other two observations (693 m and 1133 m) showed an individual slightly askew on a rock with a denuded isidid stalk emerging from below its oral region with the deeper observation (1133 m) showing an individual perched upon the upper branches of a denuded isidid coral skeleton. Circeaster americanus has previously been reported feeding on a fallen soft coral colony in the genus Paragorgia from Manning Seamount in the North Atlantic (Mah 2015). The diversity of prey items suggests this species displays broad variation with regard to its feeding preferences. Alternatively, it is possible that different cryptic lineages may have different feeding preferences but no data is available for the population phylogeography of this species. Occurrence Tropical Atlantic, Florida, Louisiana, Gulf of Mexico, North Carolina and the Caribbean, including Columbia, the ... Other/Unknown Material North Atlantic Zenodo Mid-Atlantic Ridge Pacific
institution Open Polar
collection Zenodo
op_collection_id ftzenodo
language unknown
topic Biodiversity
Taxonomy
Animalia
Echinodermata
Asteroidea
Valvatida
Goniasteridae
Circeaster
Circeaster americanus
spellingShingle Biodiversity
Taxonomy
Animalia
Echinodermata
Asteroidea
Valvatida
Goniasteridae
Circeaster
Circeaster americanus
Mah, Christopher L.
Circeaster americanus
topic_facet Biodiversity
Taxonomy
Animalia
Echinodermata
Asteroidea
Valvatida
Goniasteridae
Circeaster
Circeaster americanus
description Circeaster americanus (A.H. Clark 1916) Figure 7 A–C Circeaster americanus is a widely occurring species throughout the western North Atlantic, with occurrence recorded throughout the tropical Atlantic to the mid-Atlantic Ridge (Mah 2015). Most Circeaster diversity is known primarily in the Indo-Pacific where it is represented by eight species. Two of the most closely related species to C. americanus, Circeaster pullus Mah 2006 and Circaster sandrae Mah 2006 occur in the north and south Pacific, respectively. Morphological variation was observed in this species across its range. The Caribbean form (Fig. 7A, 721 m) showed slender arms and demonstrated a closer resemblance to the Pacific species, such as C. pullus and C. sandrae. In contrast, two individuals from the Gulf of Mexico (694-1133 m) displayed massive and strongly developed marginal plate series with thicker and more broadly triangular arms. Feeding Observations This species was observed feeding on three occasions. Observations showed predation on two different types of octocoral species. One observation (721 m) showed an individual with an arm upturned adjacent to a denuded Chrysogorgia colony. The other two observations (693 m and 1133 m) showed an individual slightly askew on a rock with a denuded isidid stalk emerging from below its oral region with the deeper observation (1133 m) showing an individual perched upon the upper branches of a denuded isidid coral skeleton. Circeaster americanus has previously been reported feeding on a fallen soft coral colony in the genus Paragorgia from Manning Seamount in the North Atlantic (Mah 2015). The diversity of prey items suggests this species displays broad variation with regard to its feeding preferences. Alternatively, it is possible that different cryptic lineages may have different feeding preferences but no data is available for the population phylogeography of this species. Occurrence Tropical Atlantic, Florida, Louisiana, Gulf of Mexico, North Carolina and the Caribbean, including Columbia, the ...
format Other/Unknown Material
author Mah, Christopher L.
author_facet Mah, Christopher L.
author_sort Mah, Christopher L.
title Circeaster americanus
title_short Circeaster americanus
title_full Circeaster americanus
title_fullStr Circeaster americanus
title_full_unstemmed Circeaster americanus
title_sort circeaster americanus
publishDate 2020
url https://zenodo.org/record/3803731
https://doi.org/10.5281/zenodo.3803731
geographic Mid-Atlantic Ridge
Pacific
geographic_facet Mid-Atlantic Ridge
Pacific
genre North Atlantic
genre_facet North Atlantic
op_source New species, occurrence records and observations of predation by deep-sea Asteroidea (Echinodermata) from the North Atlantic by NOAA ship Okeanos Explorer, pp. 201-260 in Zootaxa 4766(2) 218-219
op_relation info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03AE8786FFACD552FF40218EFCBA5F84
doi:10.11646/zootaxa.4766.2.1
http://zenodo.org/record/3764018
http://publication.plazi.org/id/FF97FFFEFFBDD540FFD72117FFDE5D28
doi:10.5281/zenodo.3764032
http://zoobank.org/urn:lsid:zoobank.org:pub:B47DC09C-181A-4DFE-B415-770AFFC11BD3
doi:10.5281/zenodo.3803730
https://zenodo.org/communities/biosyslit
https://zenodo.org/record/3803731
https://doi.org/10.5281/zenodo.3803731
oai:zenodo.org:3803731
op_rights info:eu-repo/semantics/openAccess
op_doi https://doi.org/10.5281/zenodo.380373110.11646/zootaxa.4766.2.110.5281/zenodo.376403210.5281/zenodo.3803730
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