Sea slug night fever: 39 new records of elusive heterobranchs in the western Mediterranean (Mollusca: Gastropoda)
Salvador, Xavier
Fernández-Vilert, Robert
Moles, Juan
Journal of Natural History
2022
2022-05-18
56
5 - 8
265
310
4G6BQ
(Montagu, 1803)
Montagu
1803
[432,804,1234,1259]
Gastropoda
Philinidae
Philine
Animalia
Cephalaspidea
5
270
Mollusca
species
catena
( Figure 2(d))
Material examined Cala Masetcaves, Sant Feliu de Guíxols( Spain), 41°47 ʹ10”N, 3°2 ʹ44”E, 13 December 2017, 1.3 mdepth, 1 spc., adults, L = 5 mm; Punta del Romaní, L’Escala( Spain), 42°6 ʹ54”N, 3°10 ʹ9”E, 30 December 2017, 2.5 mdepth, 2 spcs, adults, L = 3–7 mm; Cala d’Aiguafreda, Begur ( Spain), 41°57 ʹ49”N, 3°13 ʹ41”E, 31 January 2018, 1.2 mdepth, 1 spc., adult, L = 5 mm.
External morphology Body elongate, narrow, white-beige or brown, with a discontinuous dark brown band over cephalic shield. Cephalic shield longer than shell. Parapodia short, not overlapping. Shell completely covered by mantle. Individuals likely hide in the sediment during the day and are active at night.
Ecology Specimens were found crawling at night on rocks with algae and sediment between rocky outcrops.
Distribution North Sea (GBIF.org 2021); Azores( Cervera et al. 2004); Portugal( Cervera et al. 2004); Italyand Croatia( Zenetos et al. 2016); Greece( Crocetta et al. 2015); Atlantic Spanish coast: Galicia and Cantabria ( Cervera et al. 2004); Mediterranean Spanish coast: Catalonia (this study).
Remarks Molecular and morphological data indicate that this species may not belong to the genus Philine(J. Moles unpubl. data).
3819588348
2017-12-13
2018-01-31
2017-12-30
Spain
1
41.78611
Cala Maset
19
3.0455556
Sant Feliu de Guixols
5
270
1
3819588339
2017-12-30
2018-01-31
2017-12-30
Spain
3
41.96361
Punta del Romani
19
3.2280555
L'Escala
5
270
1
3819588381
2017-12-30
2018-01-31
2017-12-30
Spain
3
41.96361
Punta del Romani
19
3.2280555
L'Escala
5
270
1