Nerita undata Linnaeus, 1758

Zvonareva, Sofya & Kantor, Yuri, 2016, Cheсklist of gastropod molluscs in mangroves of Khanh Hoa province, Vietnam, Zootaxa 4162 (3), pp. 401-437 : 408

Nerita undata Linnaeus, 1758

Figs 3 G–H

Nerita undata Linnaeus, 1758: 779 .

Nerita (Nerita) undata: Okutani 2000: 102 –103, pl. 51, fig. 5; Thach 2005: 36, pl. 6, figs 33–34. Nerita undata: Poppe 2008a: 274 –275, pl. 82, fig. 10; Tan & Clements 2008: 487, figs 3-21, 3-22; Zvonareva et al. 2015: 8.

Material examined. Dam Bay, natural mangrove, about 10 specimens.

Abundance. Uncommon.

Measurements. Up to 33 mm ( Tan & Clements 2008).

Ecological notes. Development with free swimming veliger ( Fukumori & Kano 2014).

Found in crevices and under rocks of breakwaters and rocky shores of middle to upper intertidal zones. Nocturnal, emerging from their hiding places at dusk ( Tan & Clements 2008).

In studied sites it was found on rocks in the lower intertidal zone.

Relation to mangroves. Eurybiotic.

Distribution in Vietnam. From northern-east coast to southern delta ( Thach 2005).

General distribution. IWP: northeastern South Africa to Kenya, ranging through central region, including Indonesia and the Philippines, to Melanesia and Micronesia, southern Japan to northern Australia ( Frey 2010).

Figures

FIGURE 3. A – B. Nerita albicilla (14 mm). C – D. Nerita histrio (18 mm). E – F. Nerita planospira (26 mm). G – H. Nerita undata (21 mm). I – J. Neripteron siquijorense (4 mm). K – L. Neripteron subauriculatum (10 mm). M – N. Clithon oualaniense (7 mm). O – P. Clithon faba (10 mm). Q – R. Clithon faba (6 mm).