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2026 · Photo: Boaz Liebes
Jolly Green Giant
Philippines · Indo Pacific - South China Sea
A chromodorid nudibranch with a strikingly sculpted back: a raised midline keel with side ridges running out to a scalloped mantle edge. Its blue eye-spots and green-gold colouring may mimic the ocelli of some sea hares, such as Stylocheilus striatus.
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Ground colour highly variable: usually vivid green with yellow-orange blotches, but also reddish-purple or whitish. A median dorsal ridge with transverse lateral ridges gives a lobed mantle margin with 6–7 sinuses, and the front of the mantle is three-lobed, the middle lobe longest. Bright blue spots, sometimes ringed with brown, run around the notum. The rhinophores and gills are covered in fine white dots.
Miamira flavicostata has a similar ridged body but lacks the fine white dots on the rhinophores and gills.
Moderately to highly exposed rocky reefs and rubble, from tide pools to about 27 m.
Sponges; in Hawaii recorded feeding on a red sponge with a grey-violet interior.