Lemindidae

Lore & Background

The genus Leminda is named after an adaptation of the describing author's daughter's name. The single species, Leminda millecra, is a large (up to 90 mm) smooth-bodied nudibranch with a frilled appearance, a robust and elevated body, and a velum (anterior veil). Its body may have pink or brown pigmentation depending on the food color in its digestive gland ducts, with the mantle margin having a white or bright bluish edge. The margin is expanded and waving with large sinuous folds, held above the body, and bears an anterior break between its rhinophores, which are pale, smooth, tapering, and do not retract into pockets.

The foot is large and well-developed, and the radula is broad with hook-shaped teeth arranged in multiple series. The digestive gland branches extensively into the mantle margin. The animal has no eyes. A bag used in copulation opens between the male and female reproductive openings. The egg mass consists of fat white convoluted curls with large eggs distinctly visible. It is reported to feed on the soft coral Alcyonium fauri.

Reader's Guide

The family Lemindidae holds significance as a monotypic taxon, containing only the genus Leminda and its single species Leminda millecra. Its restricted distribution, endemic to the South African coast from the Atlantic coast of the Cape Peninsula to Port Elizabeth at depths of 10–40 m, with deeper specimens trawled off the KwaZulu-Natal coast, underscores its localized ecological role. The species' distinctive morphology—a large, smooth-bodied nudibranch with a frilled appearance, a velum, and a mantle margin with white or bright bluish edges—sets it apart within nudibranch diversity. Its feeding on the soft coral Alcyonium fauri links it to specific benthic communities. The absence of eyes and the unique copulatory anatomy further highlight its specialized adaptations. The genus name, derived from the author's daughter's name, adds a personal historical note. As the sole representative of its family, Leminda millecra is a key subject for studies of monotypic lineages and South African marine biodiversity.

Did You Know?

• The frilled nudibranch has no eyes.
• Its body color (pink or brown) depends on the food color in its digestive gland ducts.