Spanish Dancer
Hexabranchus sanguineus
Hexabranchidaemacro60cm / 24inLeast Concern
About Spanish Dancer.
Largest known nudibranch — up to 60 cm, scarlet to crimson, swims by undulating its mantle margins like a flamenco skirt. Active on night dives across the Indo-Pacific.
Where it lives.
Tropical reefs, sand flats, night-active
How it behaves.
Free-swims at night by mantle undulation