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2026 · Photo: Boaz Liebes

Nembrotha kubaryana Bergh, 1877

Dusky nembrotha

Philippines · Indo Pacific - South China Sea

Size
⁦40–100⁩ mm · max 120 mm
Depth
to 30 m
Native range
Tropical Indo-West Pacific.

Description

One of the largest and most familiar Nembrotha, sometimes exceeding 120 mm. It feeds on ascidians and sequesters their chemicals for its own defence, advertising this with bold warning colours.

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Identification

Essentially black with green pustules or green longitudinal ridges, and a bright orange to red border around the foot, rhinophore sheaths and oral lappets. Rhinophores and gills may be marked with orange or pink. Striped, red-spotted and green-spotted forms occur.

Similar species

Nembrotha cristata lacks the orange border and has a green foot edge.

Habitat & diet

Habitat

Coral reefs, slopes and rubble; recorded to at least 30 m.

Food

Ascidians, including Sigillina signifera and Atapozoa species.

Sources (1)

More observations (1)

This species in other areas (2)

Nembrotha kubaryana