Karucia sublacustrina Gloeer & Pesic

Pesic, Vladimir & Gloeer, Peter, 2013, A new freshwater snail genus (Hydrobiidae, Gastropoda) from Montenegro, with a discussion on gastropod diversity and endemism in Skadar Lake, ZooKeys 281, pp. 69-90 : 71-72

Karucia sublacustrina Gloeer & Pesic sp. n. Fig. 2 a–d, 2k

Type series.

Holotype (ZMH 79651): Shell height 3.6 mm, shell width 2.3 mm; MONTENEGRO, Skadar Lake, sublacustrine spring Karuč, 42°21'30.84"N, 19°06'23.03"E, 15.xi.2012 Pešić. Paratypes: 8 ex. ZMH 79652; 20 ex. in coll. Glöer; same data and locality as holotype.

Distribution.

Montenegro, Skadar Lake, sublacustrine spring Karuč (Fig. 7a).

Further records

(data taken from Zoltán Fehér, Budapest; all material in the collection of the Hungarian Natural History Museum). ALBANIA: Malësi e Madhe district, Bajzë, Syri i Sheganit Spring by the Shkodër (Skadar) Lake, 42°16.360"N, 19°23.757'E, 15 m asl., 17.vi.2012 Fehér, Kovács & Murányi; Malësi e Madhe district, Bajzë, Syri i Hurdan spring lakes near Shkodër (Skadar) Lake, 10 m asl., 42°16.299'N, 19°23.941'E, 17.vi.2012 Fehér, Kovács & Murányi. MONTENEGRO: Cetinje mu nicipality, Karuč, Karuč Spring by the Skadar Lake, 42°21.521'N, 19°06.375'E, 10 m asl., 15.vi.2012 Fehér, Karanović, Kovács, Murányi & Pešić.

Etymology.

Named after its occurence in sublacustrine spring.

Description.

The ovate-conical shell consists of 4.5-5.5 slightly convex whorls (Figs. 2 a–b). The solid shell is yellowish and silky. The umbilicus is closed. The peristome is sharp and thickened at the columella (Fig. 2a). The aperture is ovoid, somewhat angled at the top. The operculum is orange (Fig. 2a). Body whorl relatively slim but prominent, a little shouldered. Shell height 3.2-4.1 mm, width 2.1-2.6 mm, aperture height 1.7 mm, width 1.4 mm.

The snout and the distal part of the tentacles are dark brown (Fig. 1c). Above the eyes the tentacles at their basis are orange. The penis is tapered at the distal end and bears a bi-lobed outgrowth on the left side (Fig. 2d, arrow).

Differentiating features.

As for the genus.

Distribution.

Skadar Lake basin (Montenegro and Albania).