IUCN threat status:

Not evaluated

Comprehensive Description

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Description

 Diaphorodoris luteocincta is an oval sea slug up to 1.1 cm in length. It is conspicuous compared to other onchidorids due to its colour; being white and having a bright to dark red blotching on its tuberculate, upper mantle and a yellow submarginal band around the mantle edge. The mantle tubercules (papilla) are white and sharply conical. The rear most part of foot (metapodium) of this species is crenulated, extends beyond the mantle and has a distinct keel. The tip of the metapodium may often be yellow in colour. The mantle bears a pair of lamellate rhinophores, and at the posterior edge; a rosette of up to seven branched gills encircling the anal papilla.Diaphorodoris luteocincta feeds on heavily calcified bryzoans, primarily: Smittoidea reticulata; Cellepora pumicosa, and Crisia spp. It lays its eggs in a flattened, coiled white mass. The eggs later hatch into planktonic larvae.  

A distinct variety of this species, Diaphorodoris luteocincta var. alba, lacks the red pigmentation on its upper mantle and occurs from the Mediterranean, north to the south coast of Britain. Thompson & Brown (1976) noted that the characteristic red pigmentation of Diaphorodoris luteocincta was very superficial and tended to rub off.

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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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