Deep-Sea Echinoderms of the European Seas

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Marine Diversity".

Deadline for manuscript submissions: 15 May 2025 | Viewed by 912

Special Issue Editors


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Guest Editor
1. DISTAV, Dipartimento di Scienze della Terra dell’Ambiente e della Vita Università degli Studi di Genova, corso Europa 26, 16132 Genova, Italy
2. CONISMA, Consorzio Nazionale Interuniversitario per le Scienze del Mare, Piazzale Flaminio, 9, 00196 Roma, Italy
3. NBFC (National Biodiversity Future Center), Palermo, Italia
Interests: marine zoology; diversity; conservation; deep-sea

E-Mail Website
Guest Editor
ISPRA (Italian Institute for Environmental Protection and Research), via Vitaliano Brancati 48, 00144 Rome, Italy
Interests: marine zoology; diversity; conservation; deep-sea; ROV-imaging

Special Issue Information

Dear Colleagues,

The phylum Echinodermata consists of five extant classes: Crinoidea, Asteroidea, Ophiuroidea, Echinoidea and Holothuroidea. They are almost exclusive marine benthic organisms, with an incredible variety of colours, sizes and body forms. Echinoderms display different feeding habits and have an important ecological role since they are primary consumers in the food chain cycle, acting as top predators and benthic grazers. Finally, in some countries they offer important benefits to human beings, being an important nutritional and medicinal source.

At present, about 7600 living species are known worldwide, from shallow-water habitats to mesophotic and bathyal depths. However, the majority of the remote and deepest areas of the oceans remain largely unexplored, hinting at the potential for new discoveries. Moreover, although some of the most charismatic and represented echinoderms taxa are found in deep waters, the information on their ecology is still highly fragmentary. The advancement of underwater equipment in the 21st century has made access to these environments easier and more cost-effective, sparking a growing interest in deep-sea creatures, including echinoderms.

This Special Issue aims to collect any interesting contributions useful to advancing knowledge regarding the diversity, distribution, and ecology of echinoderms inhabiting the deepest parts of the European Sea. Both original manuscripts and reviews are welcome.

Dr. Francesco Enrichetti
Dr. Margherita Toma
Guest Editors

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Keywords

  • Echinodermata
  • marine benthic organisms
  • deep-sea creature

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Published Papers (1 paper)

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Research

21 pages, 5790 KiB  
Article
Deep-Sea Ophiuroids (Echinodermata; Ophiuroidea) from the Avilés Canyon System: Seven New Records for the Spanish North Atlantic Marine Subdivision
by Aurora Macías-Ramírez, Laura M. García-Guillén and M. Eugenia Manjón-Cabeza
Diversity 2024, 16(7), 407; https://doi.org/10.3390/d16070407 - 14 Jul 2024
Viewed by 691
Abstract
The Avilés Canyon System (ACS) is located in the southern Bay of Biscay (northern Spain, Cantabrian Sea). It has been declared a Site of Community Importance (SCI: C ESZZ12003) within the Natura 2000 Network and recognized as a Vulnerable Marine Ecosystem (VME). This [...] Read more.
The Avilés Canyon System (ACS) is located in the southern Bay of Biscay (northern Spain, Cantabrian Sea). It has been declared a Site of Community Importance (SCI: C ESZZ12003) within the Natura 2000 Network and recognized as a Vulnerable Marine Ecosystem (VME). This area is included in the North Atlantic Marine Subdivision (NAMD). The present study reviews ophiuroid fauna collected during the INDEMARES–ACS project and compares the new findings with previous studies using the Official Spanish Checklist (“Inventario Español de Especies Marinas”) to update our knowledge on the diversity and distribution of these species. During the surveys carried out within the LIFE + INDEMARES–Avilés Canyon System project (2010–2012), a total of 7413 specimens belonging to 45 ophiuroid species were collected from 50 stations in a depth range between 266 and 2291 m. The most frequent species was Ophiactis abyssicola (M. Sars, 1861). Comparing the identified species with public datasets, seven species should be considered as new records for NAMD: Ophiocten centobi Paterson, Tyler & Gage, 1982, Amphiura borealis (G.O. Sars, 1872), Amphiura fragilis Verrill, 1885, Ophiochondrus armatus (Koehler, 1907), Ophiosabine parcita (Koehler, 1906), Ophiophrixus spinosus (Storm, 1881), Ophiotreta valenciennesi (Lyman, 1879). Furthermore, one species has expanded its bathymetric range: Ophiosabine parcita (Koehler, 1906). Full article
(This article belongs to the Special Issue Deep-Sea Echinoderms of the European Seas)
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