Trinchesia cuanensis Korshunova, Picton, Furfaro, Mariottini, Pontes, Prkić, Fletcher, Malmberg, Lundin & Martynov, 2019
Trinchesia cuanensis @ L'Escala, Girona per Enric Madrenas
Taxonomia | Superdomain | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Heterobranchia |
| Infraclass | Euthyneura |
| Subterclass | Ringipleura |
| Superorder | Nudipleura |
| Order | Nudibranchia |
| Suborder | Cladobranchia |
| Superfamily | Fionoidea |
| Family | Trinchesiidae |
| Genus | Trinchesia |
| Species | Trinchesia cuanensis Korshunova, Picton, Furfaro, Mariottini, Pontes, Prkić, Fletcher, Malmberg, Lundin & Martynov, 2019 |
| |
| Classificació segons Bouchet et al. (2017) Font taxonòmica: World Register of Marine Species (AphiaID: 1343993). |
Descripció
Cos estret, de fins a 15 mm de longitud, color de base blanquinós o verdós clar, de vegades amb un pigment difús del mateix color repartit pel cos, però mai formant cap banda blanca dorsal contínua. Rinòfors llisos, aproximadament 2 vegades més llargs que els tentacles orals, tots dos amb un pigmentat blanc difús, de vegades groguenc, però mai d’un color ataronjat intens. Fins a 10 files de cerata, normalment amb quatre fileres ceratals anteriors. Cerata amb color de base de negre a grisenc fosc (no de color verd) amb una banda estreta de punts taronja o groguenca, seguida d’una banda ampla de color blau fosc, seguida d’una banda estreta fosca, i cap a la part superior dels cerata, una banda ampla de color taronja o groc. Les puntes dels cerata són transparents amb un cnidosac translúcid. Anus situat entre la quarta i cinquena filera de cerata del costat dret. Peu estret amb processos angulars curts.
Biologia
Viu en zones rocoses, relativament poc profundes, a uns 10-20 m de profunditat. S’alimenta de hidrozous Sertularella polyzonias, i possiblement d’altres espècies de Sertularella. La posta està formada per un cordó en espiral amb un mínim de 2 voltes, o un cordó irregular, amb més de 300 ous de color blanc.
Etimologia
- Trinchesia. En honor del Profesor Salvatore Trinchese (1836-1897), opistobranquiòleg italià, Professor de Zoologia a la Universitat de Bolonya i successor de Paolo Panceri com a Professor d’Anatomia Comparada a la Universitat de Nàpols.
-
Distribució
Registres confirmats a Irlanda, Regne Unit i la costa occidental de Suècia. A la Mediterrània s’ha trobat a la costa espanyola (a Granada i a la Costa Brava de Girona) així com a Croàcia. A causa de la seva recent descripció i del fet que tradicionalment s’havia confós amb T. caerulea, s’ha de revisar el rang de distribució (per exemple, Moro et al. (1995) identifiquen aquesta espècie a les Canàries -com a Cuthona caerulea– ja que esmenten específicament les bases ceratals negroses, típiques de T.cuanensis).
Espècies semblants
Trinchesia caerulea, més gran, els extrems de tentacles orals i rinòfors groc pàl·lid, cerata amb només banda blava i groga. Peu amb tentacles propodials evidents.
Abundància
Mediterrània occidental: | ★☆☆☆☆ |
Mediterrània oriental: | ☆☆☆☆☆ |
Oceà Atlàntic: | ★★☆☆☆ |
MesAquesta gràfica mostra la probabilitat d´observació mensual de Trinchesia cuanensis basada en els nostres propis registres.
Vídeo
Altres fotos
Trinchesia cuanensis @ Granada, Spain
Trinchesia cuanensis @ L’Escala, Girona by Enric Madrenas
Trinchesia cuanensis @ L’Escala, Girona by Enric Madrenas
Trinchesia cuanensis @ L’Escala, Girona by Enric Madrenas
Trinchesia cuanensis @ L’Escala, Girona
Trinchesia cuanensis @ L’Escala, Girona by Enric Madrenas
Trinchesia cuanensis @ L’Escala, Girona by Enric Madrenas
Trinchesia cuanensis @ France by Pascal Girard
Trinchesia cuanensis @ Granada por Luis Sánchez Tocino
Trinchesia cuanensis @ Granada by Luis Sánchez Tocino
Bibliografia
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Trinchesia cuanensis
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Ballesteros M, Pontes M, Madrenas E. 2019. Els nudibranquis del mar català. Figueres: Brau Edicions. 192 p.
Korshunova T, Picton B, Furfaro G, et al. 2019. Multilevel fine-scale diversity challenges the ‘cryptic species’ concept. Scientific Reports. 9(1):6732.
https://doi.org/10.1038/s41598-019-42297-5.
Rufray X, Girard P, Le Bris S, et al. 2021. Liste commentée des limaces de mer de la lagune de Thau, Hérault. Les cahiers de la fondation Biotope. 36:1–189. Available from
https://www.biotope.fr/download/230907/.
Bibliografia basada en els treballs de Steve Long, 2006. Bibliography of Opisthobranchia 1554-2000 i Gary McDonald, 2009. Bibliographia Nudibranchia, amb actualitzacions posteriors procedents d´altres fonts.
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