Gang of Southern periwinkles hiding in a rock crack. Port Alfred, Eastern Cape (2024) - iNaturalist Aperture rounded and closed by a transparent, horny operculum. Shell smooth, with a short conical spire. Colour from flecked brown with a dark ring around each coil to almost pure black. Usually under 10 mm. Congregates in crevices, or… Continue reading Southern periwinkle (Afrolittorina knysnaensis)
Tag: Caenogastropoda
Common dogwhelk (Nucella dubia)
Details of the yellow speckled foot of the common dogwhelk. Doringbaai, Western Cape (2020). Extraordinarily variable (hence, dubia). Aperture usually large. Body whorl weakly ridged. Colour variable, from grey with black flames, to red-brown with dotted bands, plain grey or brown. Aperture usually dark, often purple. About 20 mm. Extends almost to the high-tide mark… Continue reading Common dogwhelk (Nucella dubia)
Scaly dogwhelk (Nucella squamosa)
Details of the operculum and the foot of the scaly dogwhelk. Unknown location, South Africa (2021). About 15 spiral ridges overlies longitudinal ridges, giving the shell a scaly (squamous) appearance.Operculum horny, brown-orange. Foot light orange, speckled white. About 35 mm. Occurs low on the shore or subtidally. Lays egg capsules resembling flat clubs. Shell usually… Continue reading Scaly dogwhelk (Nucella squamosa)
F*CK FISH 