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Thorunna furtiva

2026 · Photo: Boaz Liebes

Thorunna furtiva Bergh, 1878

Philippines · Indo Pacific - South China Sea

Size
⁦10–17⁩ mm
Native range
Tropical western Pacific, from Malaysia and the Philippines to Japan, Guam, Australia and New Caledonia.

Description

A small chromodorid nudibranch described from the Philippines (Camiguin Island, north of Luzon). Like other Thorunna it externally resembles a small Chromodoris, but differs in buccal and radular anatomy.

Share link: https://seaslugs.org.il/species/thorunna-furtiva-phillipines-indo-pacific-south-china-sea/

Identification

Yellowish-white body with a contrasting white line at the mantle margin. Orange or brownish-yellow colour around the mantle border and on the gills and rhinophores. Gill of 9–10 simply pinnate leaves.

Similar species

Thorunna africana is similar in shape but lacks the orange to brownish-yellow border and gill/rhinophore colour.

Habitat & diet

Habitat

Coral reefs; recorded around 5 m.

Food

Not recorded; like other chromodorids, presumably sponges.

Sources (2)
Thorunna furtiva