Common name: Black-margined Doriprismatica

General information

Doriprismatica atromarginata, commonly known as the Black-margined Glossodoris, is a striking species of nudibranch, a group of soft-bodied, marine gastropod mollusks. This species is known for its beautiful and distinct coloration, typically featuring a creamy or white body with a broad black margin and yellow or orange gills and rhinophores. Nudibranchs are often prized by underwater photographers and marine enthusiasts for their vivid appearances and unique behaviors.

Care

Black-margined Glossodoris are not commonly kept in home aquariums due to their specialized dietary needs. They feed exclusively on certain types of sponges, which can be difficult to provide in captivity. For advanced hobbyists who wish to attempt keeping this nudibranch, a species-specific setup with a consistent supply of its natural food source is essential. Stable water quality and parameters are also crucial for their well-being.

Reproduction

Like many nudibranchs, Doriprismatica atromarginata is a hermaphrodite, possessing both male and female reproductive organs. They can engage in reciprocal mating, where both individuals exchange sperm to fertilize their eggs. The eggs are laid in a gelatinous spiral ribbon, which is often attached to the substrate or another surface in the aquarium.

Symbiosis

While not known for any specific symbiotic relationships, nudibranchs like Doriprismatica atromarginata play a role in the ecosystem by controlling sponge populations and providing a food source for other marine animals.

Habitat

The Black-margined Glossodoris is found in the Indo-Pacific region, from the Red Sea to South Africa and east to the central Pacific. They are typically observed on coral reefs or rocky substrates where their sponge prey is abundant. They are benthic creatures, meaning they live on the bottom of the sea, often at depths where recreational diving is common.