Common name: Red spotted transluscent slug

General information

Gymnodoris ceylonica, commonly known as the Ceylon Gymnodoris or Orange-spotted nudibranch, is a striking species of nudibranch, a group of colorful sea slugs. This species is known for its bright orange spots and translucent body, which can make it a visually appealing addition to the reef aquarium. Nudibranchs are known for their extraordinary diversity in color and form.

Care

Caring for Gymnodoris ceylonica requires an established reef tank with stable water conditions and low nitrate levels. They are sensitive to water quality and can be used as indicators of the tank's health. This species feeds primarily on other smaller sea slugs and sessile invertebrates, so it's important to ensure a proper food source is available. They are not suitable for reef tanks with a diverse population of small invertebrates, as they may deplete these populations.

Reproduction

Like many nudibranchs, Gymnodoris ceylonica is a hermaphrodite, possessing both male and female reproductive organs. They can lay ribbons of eggs, which hatch into free-swimming larvae. These larvae will eventually settle and metamorphose into the adult form. Breeding them in captivity can be challenging due to the specific requirements of the larvae.

Habitat

Gymnodoris ceylonica is typically found in the tropical Indo-Pacific region, from the shallow waters to depths of around 30 meters. They are often observed on or near coral reefs, where they can find their prey and shelter.