Andrés Arias

Universidad de Oviedo

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Nuria Anadón

Universidad de Oviedo

Irene Fernández Rodríguez

Universidad de Oviedo

Hannelore Paxton

Macquarie University

Yaisel J. Borrell

Universidad de Oviedo

Antonio Torralba Burrial

Universidad de Oviedo

Eva García‐Vázquez

Universidad de Oviedo

Hannelore Paxton

Macquarie University

Omar Sánchez

Universidad de Oviedo

Mónica Herrero

Servicio Diabetología Hospital Córdoba

Miguel González Menéndez

Cooperative Institutions

Universidad de Oviedo

Consejo Superior de Investigaciones Científicas

Universidad de Murcia

Estación Biológica de Doñana

Universidad Nacional de Colombia

Universidad de Sevilla

Universidade de Santiago de Compostela

Centre National de la Recherche Scientifique

Universidad Complutense de Madrid

Museo Nacional de Ciencias Naturales

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Unravelling the Extent of Diversity within the Iberian Medicinal Leeches (Hirudinea: Hirudo) Using Molecules and Morphology

Biology (2021)

Andrés Arias Victor Surugiu Rafael Carballeira Oana Paula Popa Luis Ovidiu Popa

Until the beginning of the 21st century, the famous medicinal leech was thought to be represented by only one species, Hirudo medicinalis. However, recent publications have demonstrated that under that name, at least five different species of medicinal leeches were hidden. During the last decade, the biogeography of Western-Palaearctic leeches has begun to unravel, untangling their diversity in practically all of Europe, except for its westernmost peninsula, Iberia. Hirudo medicinalis has been repeatedly reported from Iberia, but those records were considered questionable. We discovered H. verbana in northern Spain, constituting its first record in Iberia. Using an integrative approach (combining morpho-anatomical data and molecular analyses using three genes, COI,12S rRNA, and ITS2), two endemic and geographically separated Iberian lineages have been found. One of them is easily distinguished by its distinctive colour-pattern and is described as H. verbana bilineata ssp. nov. We characterized the new subspecies morphologically, ecologically, and genetically. We also established its phylogenetic relationships with other European Hirudo spp. and confirm the presence of H. troctina in Iberia, occurring as far as 43° lat. N. Iberian H. verbana records constitute its westernmost known distribution to date. The provided distribution pattern of H. verbana contributes to a better understanding of the complexity of Iberia as a glacial refugium/cradle for endemisms, harbouring populations with a high degree of genetic structure that began to settle throughout the Pleistocene. Iberian Hirudo populations are declining in recent decades and there is an urgent need to assess their conservation status and to initiate conservation measures to reverse their decline.

Hirudo medicinalis

Subspecies

Peninsula

10.3390/biology10040315

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Citations (11)

Política y vanguardia. La juventud colombiana en las artes plásticas de los años sesenta y setenta

Boletín cultural y bibliográfico/Boletin cultural y bibliografico (2017)

Andrés Arias

Una mirada a la relacion arte-juventud durante los anos sesenta y setenta en el ambito local colombiano pone de presente la dicotomia en la que los artistas jovenes o emergentes de la epoca, o se les vio mal o se les adjunto a lo que podriamos entender como las vanguardias del mercado.Este articulo se ocupa de despejar los interrogantes de si solo existieron durante esos anos estas dos opciones: la contestataria y la de apego al mercado, o si hubo otras, y cuales fueron los motivos —politicos, economicos y globales— que llevaron a que el arte joven colombiano de la epoca tuviera esa particular disyuntiva.

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Generación de una colección virtual como recurso didáctico para la enseñanza-aprendizaje de la fauna en distintos grados universitarios

Antonio Torralba Burrial Andrés Arias Mónica Herrero

El aprendizaje de la biodiversidad zoologica, desde su perspectiva mas basica, requiere conocer las caracteristicas diagnosticas de los distintos animales con el fin de poder distinguir unas especies de otras, asi como los grupos a los que pertenecen. La competencia de identificacion de fauna caracteristica, a distintos niveles y amplitudes, es necesaria en profesiones que impliquen un conocimiento del medioambiente, y por tanto requerida al alumnado que curse las carreras habilitantes para dichas profesiones. Este aprendizaje puede realizarse por comparacion directa con ejemplares previamente identificados de una coleccion de referencia o indirecta mediante guias, fotografias identificadas, claves y/u otros recursos didacticos. En este sentido, la digitalizacion y puesta a disposicion de colecciones de biodiversidad puede contribuir a facilitar este proceso. El objetivo de este trabajo es presentar un proyecto de innovacion dirigido a disponer de una Coleccion Virtual de fauna asturiana para favorecer el proceso de ensenanza-aprendizaje sobre dichos organismos dentro de la educacion universitaria. Concretamente, en seis asignaturas de cuatro grados distintos (Biologia, Biotecnologia, Maestro en Educacion Infantil, Maestro en Educacion Primaria). Para ello se esta procediendo a la digitalizacion de ejemplares de las especies y/o grupos de especies que debe conocer y diferenciar el alumnado, asi como a mostrar, senalar y destacar las caracteristicas necesarias para su identificacion y para la comprension de su historia natural.

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First record of Anadara transversa (Say, 1822) (Bivalvia: Arcidae) in the Bay of Biscay

Cahiers de biologie marine (2016)

Irene Fernández Rodríguez Rafael Bañón María Nuria Anadón Álvarez Andrés Arias

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Hidden diversity within the polychaete Onuphis eremita sensu lato (Annelida: Onuphidae)—redescription of O. eremita Audouin & Milne-Edwards, 1833 and reinstatement of Onuphis pancerii Claparède, 1868

Zootaxa (2014)

Andrés Arias Hannelore Paxton

Onuphis eremita, type species of the genus, and Onuphis pancerii, originally from La Rochelle (France) and Gulf of Naples (Italy) respectively, are two of the earliest described species of the family Onuphidae. Yet, the definition of the former was extremely confused, the latter was considered its synonym for nearly a century, and types do not exist. We have examined a large amount of material, old museum collections and newly collected specimens from the European Atlantic and Mediterranean and conclude that both, O. eremita and O. pancerii, are valid species. The most obvious differences are that O. eremita is a slender species with only tridentate pseudocompound hooks while O. pancerii is much more robust and has pseudocompound hooks with bi- and tridentate (or even multidentate) tips. Neotypes have been designated for both species and the two taxa are redescribed and illustrated. We regard O. eremita sensu stricto, as redefined on the neotype here, to be restricted to the European Atlantic and western and central Mediterranean; other records need to be re-evaluated. Some specimens of both species were collected with eggs (~ 200 µm diameter) protruding through openings in the body wall, and some O. eremita had ect-aquasperm, suggesting that reproduction is by broadcast spawning and indirect development.

Sensu

Synonym (taxonomy)

Annelid

Sensu stricto

10.11646/zootaxa.3861.2.3

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HANNELORE PAXTON & ANDRES ARIAS (2017) Unveiling a surprising diversity of the genus Diopatra Audouin & Milne Edwards, 1833 (Annelida: Onuphidae) in the Macaronesian region (eastern North Atlantic) with the description of four new species . Zootaxa, 4300: 505–535.

Zootaxa (2017)

Hannelore Paxton Andrés Arias

10.11646/zootaxa.4337.4.11

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Genetic diversity and connectivity patterns of harvested and aquacultured molluscs in estuaries from Asturias (northern Spain). Implications for management strategies

Aquaculture Research (2015)

Alexia Semeraro Khaled Mohammed-Geba Andrés Arias Nuria Anadón Eva García‐Vázquez

Estuaries are among the most important habitats of coastal areas. However, they are significantly affected by human activities worldwide, threatening their resources and the commercial uses depending on them. Fisheries and aquaculture are some of the main factors affecting the estuarine ecosystems today. In this work, we pursue the aims of genetically identifying the cultured and harvested oyster and razor clam species inhabiting Asturian estuaries (Eo, Ribadesella and Villaviciosa) and describing the genetic diversity and patterns of genetic connectivity between those species in these estuaries. The results revealed the almost complete dominance of the introduced Crassostrea gigas as the species that supports the oyster's production in Asturias with a striking diversity of gene pools in wild environments (Ría de Villaviciosa and Ribadesella) which significantly exceeds the diversity found in the hatcheries seeds commonly used for culturing. Moreover, we detected two different species of Ensis sp. inhabiting the Asturian estuaries: Ensis ensis inside Ría del Eo and Ensis directus, an invasive species, in Ría de Villaviciosa. Significant genetic differentiation between estuaries for the exotic oyster C. gigas and also for the native razor clam Solen marginatus were found. These results suggest Asturian estuaries are not a single management unit for some species and thus prevention must be taken for avoiding intentional or human-mediated translocations among them. Biodiversity monitoring for discovering newcomer invasive species, measures for environmental recovery of these ecosystems and strict controls to avoid increasing of harvesting pressures are also a necessity to improve the management of these relevant ecosystems.

Marine ecosystem

Dominance (genetics)

10.1111/are.12745

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Citations (18)

Detection and prevention of biological invasions in marinas and ports: Epibionts and associated fauna of Mytilus galloprovincialis revisited

Estuarine Coastal and Shelf Science (2022)

Irene Fernández Rodríguez Ricardo López-Alonso Omar Sánchez Isaac Suárez-Turienzo Rocío Gutiérrez-Martínez

Ports and marinas are gateways for introduction of non-indigenous species through ‘shipping’ worldwide. These anthropogenic environments concentrate a variety of artificial structures and substrates that are colonized by different types of organisms, being prone to biological invasions. One the most outstanding taxa in European marinas and ports are the mussels of the genus Mytilus . Mussels live in patches forming a three-dimensional, multi-layered and permanent biosubstrate that favours the settlement of sessile and mobile fauna, creating a perfect environment for the establishment and development of different species. In this study we characterized the biodiversity associated to the mussel patches of M. galloprovincialis in the Marina of Gijón (northern Spain, Cantabrian Sea), according to their status (i.e., native, introduced or alien, invasive and cryptogenic). The samples were collected from different areas of the marina: the outer dock (with national and international traffic), the middle dock and the inner one (both with local and national transit). We identified a total of 102 species associated to M. galloprovincialis , from which 13 and 4 species were invasive and alien respectively. The exotic fanworm Branchiomma luctusoum is reported for the first time in the Bay of Biscay and the Cantabrian Sea. The inner dock was the area with the highest number of non-indigenous taxa. Most of the alien and invasive species belonged to the groups Ascidiacea and Bryozoa, all of them filter feeders with great plasticity and ecological tolerance. Furthermore, the elemental composition microanalysis of the invasive bryozoan Watersipora subatra showed high levels of aluminium (a common element in marinas, being present in the fuel and in ship paintings), which may imply a risk of aluminium bioaccumulation in the environment. From these results we can conclude that mussel patches may facilitate the settlement and development of non-indigenous species in marinas, highlighting the importance of monitoring these mussel aggregations as a management tool for the early control and prevention of marine bioinvasions. • The 12% of epibionts of Mytilus galloprovincialis were invasive. • Mussel aggregations may facilitate the settlement and development of exotic species in marinas and ports. • The exotic fanworm Branchiomma luctuosum is reported for the first time in the Bay of Biscay. • The high levels of aluminium found in the exotic bryozoan Watersipora subatra may imply an environmental risk.

Epibiont

10.1016/j.ecss.2022.107943

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First European record of the giant ramshorn snail Marisa cornuarietis (Linnaeus, 1758) (Gastropoda: Ampullariidae)

Limnetica (2014)

Andrés Arias Antonio Torralba Burrial

The South American giant ramshorn snail Marisa cornuarietis is reported for the first time in Europe, inhabiting a freshwater natural ecosystem in northern Spain. We present a diagnosis of the species in order to facilitate the recognition of this new European alien species and its differentiation from other native freshwater snails. We also include brief notes on its biology and ecology at its new locality. Finally, we discuss its invasive potential and the possible impacts that it may cause in the native ecosystems if it becomes invasive.

Alien species

Freshwater snail

Achatina

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Psolus rufus, a new species of sea cucumber (Holothuroidea: Psolidae) from northern Spain (Bay of Biscay)

Journal of the Marine Biological Association of the United Kingdom (2017)

Irene Fernández Rodríguez Andrés Arias Yaisel J. Borrell Nuria Anadón Claude Massin

A new species of holothurian of the genus Psolus Oken, 1815 is described. Psolus rufus sp. nov. was found in the central Cantabrian slope (Bay of Biscay) at 1500 m depth. The new species is characterized by having: ovoid body, reddish colour in vivo ; dorsal area enclosed in a complete test composed of imbricating scales; 10 triangular plates of the same size surrounding mouth; 10 oral tentacles; no dorsal papillae; tube feet in two rows in the ventrolateral radii but one single row in the medial third or the body; ossicles are big dorsal plates and small plates in the sole, which are smooth, irregular and perforated. The molecular study of the COI gene supports the morphological results, grouping P. rufus sp. nov. together with other members of the genus. However, the new species is genetically distinct from the two groups (Antarctic and Canadian) of the available sequenced Psolus species. Furthermore, a key to the Psolus species of the north-eastern Atlantic Ocean is provided.

10.1017/s0025315417001138

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Citations (3)