Close-up of a tulip chiton on a bed of coralline algae. Port Alfred, Eastern Cape (2023) - iNaturalist Previously Chiton tulipa. An attractive chiton with smooth pink valves streaked and flecked with a wide range of brown patches and zigzags. Girdle striped, covered with large, smooth overlapping scales. Typically 30 - 40 mm. A well-known… Continue reading Tulip chiton (Rhyssoplax polita)
Tag: Freshwater Molluscs
Brooding chiton (Radsia nigrovirescens)
Eroding adult chiton with the scale details on the girdle. Jacobsbaai, Western Cape (2020) - iNaturalist Previously Chiton nigrovirescens. Shell valves brownish-black with vague radiating ridges, girdle dark with large smooth scales, sometimes with a coppery sheen. 10 - 25 mm A small species found in groups under stones from the mid-intertidal downwards. Unusual in… Continue reading Brooding chiton (Radsia nigrovirescens)
Spiny chiton (Acanthochitona garnoti)
Unfouled chiton on a rock, spines out. Fishhoek, Western Cape (2020) - iNaturalist Shell valves dull brown with oblique pale stripes, largely buried by the wide girdle. Girdle dotted with small spicules and with a series of nine pairs of characteristic tufts of long glassy spines. 30 - 45 mm. Unusual in that it is… Continue reading Spiny chiton (Acanthochitona garnoti)
Giant chiton (Dinoplax gigas)
Adult chiton, with badly eroded valves, found in a rock crevice. Port Alfred, Eastern Cape (2021) - iNaturalist Also called 'armadillo'. Shell large with steeply arched grey or brown valves, usually badly eroded. Girdle brown and dotted with distinct tufts of small brown hairs. 70 to 100 mm in length. Usually found partially or totally… Continue reading Giant chiton (Dinoplax gigas)
Black chiton (Onithochiton literatus)
Adult chiton leaving a crevice. Port Edward, Kawzulu-Natal (2021) - iNaturalist Shell valves usually brownish-black, sculptured with wavy radiating lines, often badly eroded in larger specimens. Girdle broad, brown to black, velvety with minute embedded spicules. 25 - 50 mm in length. One of the few common chitons in Natal. Found in the open on… Continue reading Black chiton (Onithochiton literatus)
Pear limpet (Scutellastra cochlear)
Eroded adult limpet surrounded by its garden. Fishhoek, Western Cape (2020) - iNaturalist Previously known as Patella cochlear, or cochlear limpet. Distinctively pear-shaped, often encrusted by coralline algae. Inner surface white, tinged blue and often mottled with black. Muscle scar is U-shaped and black. Around 50 mm. Large specimens may exceed 70 mm. Lives in… Continue reading Pear limpet (Scutellastra cochlear)
Granite limpet (Cymbula granatina)
Eroded limpet carrying smaller limpets on its shell. Hondeklipbaai, Northern Cape (2020). Previously known as Patella granatina. Similar in shape to the goat's eye limpet (Cymbula oculus), but taller, with about 15 major ribs. Distinctive granite-like chevron pattern on the upper surface, although this is often eroded away. Interior pale, with a narrow edging that… Continue reading Granite limpet (Cymbula granatina)
Granular limpet (Scutellastra granularis)
An eroded limpet next to a younger limpet with its 'tentacles' out. Jacobsbaai, Western Cape (2020). Previously known as Patella granularis. Roughly oval, with approximately 50 fine ribs textured with white granules. Often eroded, smoothing the ribs and revealing a brown cap. Interior blue-white with a central brown patch and a dark border that is… Continue reading Granular limpet (Scutellastra granularis)
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