Neritina canalis(Sowerby,1825)
Shell:Brown-black,aperture orange-red
Operculum:Pale orange with black radial striation,red horn border.
Habitat:Rivers and streams on stones.
Area:New Guinea,Solomon Islands,Fiji,Samoa,French Polynesia,
New Caledonia,Vanuatu
Image:Baroque cabinet
Neritina macgilliuvraji(Reeve,1855) Shell:Brown-balck,aperture white-blue. Operculum:Orange-pink,with a very wide red orange horn border. Habitat:Stones and rocks in fast flowing streams. Area:South-East Asia,New Caledonia,Solomon Islands,Fiji,Samoa.
Neritina petitii(Recluz,1841)
Shell:Brown,aperture dark pink purple.
Operculum:pink,with dark radial stripes,dark red horn border.
Habitat:Streams and rivers on stones and boulders.
Area:South-East Asia,Solomon Islands,Vanuatu,Fiji,Samoa,Guam,Ponape.
F
Neritina porcata(Gould,1847) Shell:Olive-brown,aperture orange. Operculum:cream with dark radial stripes and a wide dark red horn border. Habitat:Stones in streams near the sea. Area:Solomon Islands,Vanuatu,New Caledonia,Fiji,Samoa.
Neritina pulligera(Linnaeus,1767) Shell:Brown,aperture yellow orange. Operculum:cream with black radial stripes and a red horn border. Habitat:Stones or dead leaves in fast flowing streams or deep ponds. Area:Madagascar,Andoman Islands,South-East Asia,Taiwan, North- and South Pacific Islands.
Neritina squamaepicta(Récluz,,1843)
Shell:Yellow-green with dark lines,aperture white grey.
Operculum:black with a narrow red horn border.
Habitat:Stones in streams not far from the sea.
Area:South-East Asia,Solomon Islands,New Caledonia,Vanuatu,Fiji.
F
Neritina tahitiensis(Lesson,1830) Shell:Brown with red or black lines,aperture white blue. Operculum:cream with red brown horn border. Habitat:Stones in mouth of streams often in brackish water. Area:Philippines,Solomon Islands,Fiji,New Caldonia,Vanuatu,Samoa, French Polynesia.
Neritina turrita(Gmelin,1791)
Shell:Black with brown-yellow stripes,aperture cream yellow.
Operculum:cream pink with a narrow red horn border.
Habitat:In mud or on stones near the mouth of streams and rivers often in
brackish water.
Area:South-East Asia,Taiwan,Solomon Islands,Fiji,Samoa,French Polynesia,
Guam.
Image:Mike's shells
Neritina turtoni((Récluz,,1843) Shell:Shiny,black with yellow-orange zig-zag stripes,aperture orange-red. Operculum:smooth whitish with a narrow orange horn border. Habitat:Near the mouth of rivers,often in mud in brackish water. Area:South-East Asia,New Guinea,Vanuatu,Fiji.
Neritina variegata(Lesson,1831)
Shell:Variable,olive,yellow-orange with black markings,aperture white.
Operculum:white black,no horn border.
Habitat:Stones and rocks in rivesr and streams in slow and fast water.
Area:South-East Asia,Solomon Islands,Vanuatu,Samoa,Guam,Ponape,Truk.
Image:Guido Poppe