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
Bibliografia
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Trinchesia cuanensis
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Ballesteros, M., M. Pontes, and E. Madrenas. 2019. Els nudibranquis del mar català. Brau Edicions, Figueres.
Korshunova, T., B. Picton, G. Furfaro, P. Mariottini, M. Pontes, J. Prkić, K. Fletcher, K. Malmberg, K. Lundin, and A. Martynov. 2019. Multilevel fine-scale diversity challenges the ‘cryptic species’ concept. Scientific Reports. 9: 6732.
Rufray, X., P. Girard, S. Le Bris, T. Menut, C. Santarelli, and X. Salvador. 2021. Liste commentée des limaces de mer de la lagune de Thau, Hérault. Les cahiers de la fondation Biotope. 36: 1–189.
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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