Lomanotus marmoratus (Alder & Hancock, 1845)
Superdomain | Biota | |
Kingdom | Animalia | |
Phylum | Mollusca | |
Class | Gastropoda | |
Subclass | Heterobranchia | |
Infraclass | Euthyneura | |
Subterclass | Ringipleura | |
Superorder | Nudipleura | |
Order | Nudibranchia | |
Suborder | Cladobranchia | |
Superfamily | Dendronotoidea | |
Family | Lomanotidae | |
Genus | Lomanotus | |
Species | Lomanotus marmoratus (Alder & Hancock, 1845) | |
| Classificació segons Bouchet et al. (2017) Font taxonòmica: World Register of Marine Species (AphiaID: 140274). | ||
- Eumenis marmoratus Alder & Hancock, 1845
- Lomanotus eisigii Trinchese, 1883
Descripció
Longitud fins a 34 mm però normalment de 15 a 20 mm. Cos grisós amb taques marrons i blanques que li proporcionen el seu aspecte marmori. El vel oral té 4 digitacions curtes. Els rinòfors tenen làmines molt fines i tenen una beina rinofòrica que els envolta, gruixuda i digitada en el seu marge superior. Els marges del mantell són sinuosos des de la zona dels rinòfors fins a la cua i estan proveïts de papil·les de forma irregular. La glàndula digestiva, de color marró, es pot veure al dors per transparència. El peu forma a la seva zona anterior dos palps propodials ben desenvolupats.
Biologia
Viu des de escassa profunditat fins a més de 100 metres sobre colònies del hidrozou tecat Nemertesia antenina, del qual s’alimenta i sobre el qual diposita les seves postes en forma d’un cordó, amb ous disposats en ziga-zaga. Per la seva forma i coloració és molt críptica sobre les colònies d’hidrozous en què viu.
Etimologia
- Lomanotus. Del Grec “loma”, vora, riba + “noton”, dors.
- Marmoratus. Del verb Llatí “marmoro”, revestir de marbre.
Distribució
És una espècie que habita les costes del nord d’Europa, també citada en les costes gallegues. A Catalunya és una espècie molt rara que només s’ha recol·lectat en els caladors d’arrossegament comercial enfront de Blanes, essent l’única cita existent de l’espècie per a la Mediterrània (Domènech et al., 2006).
| Fonts: | |
 : OBIS : GROC 2010-2011 : Enric Madrenas : João Pedro Silva : Bernard Picton : GBIF.ORG |  : OPK : VIMAR : Manuel Ballesteros. : M@re Nostrum : Altres fonts : Marine Regions |
Abundància
| Mediterrània occidental: | ★☆☆☆☆ |
| Mediterrània oriental: | ☆☆☆☆☆ |
| Oceà Atlàntic: | ★☆☆☆☆ |
Altres fotos
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Més informació
Citeu aquest article com:
Ballesteros, M., Madrenas, E. & Pontes, M. (2023) "Lomanotus marmoratus" a OPK-Opistobranquis. Publicat: 13/08/2014. Accedit: 30/03/2023. Disponible a (https://opistobranquis.info/ca/p8fvs)
