Common name: elisabeth's chromodoris

Scientific name: Chromodoris elisabethina Bergh, 1877

General information

Chromodoris elisabethina, commonly known as the Blue and black nudibranch or Elisabeth's chromodoris, is a strikingly colorful sea slug found in the tropical Indo-Pacific region. This species is part of the Chromodorididae family, which is known for its vibrant and diverse color patterns. The body of C. elisabethina is predominantly white with a blue border and black lines, making it a visually appealing addition to any reef aquarium.

Details

Recommended minimum tank volume
75 liter (20 gallons)
Salinity
S.G. 1.023 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
6 cm (2½″)
Care level
Moderate to easy Sensitive to water quality.
Diet
Carnivore Feeds on sponges in the wild.
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Mollusks
    Mollusca
  3. Class
    Gastropods
    Gastropoda
  4. Order
    Nudibranchs
    Nudibranchia
  5. Family
    Chromodorid Nudibranchs
    Chromodorididae
  6. Genus
    Chromodoris Nudibranchs
    Chromodoris
  7. Species
    elisabeth's chromodoris
    Chromodoris elisabethina Bergh, 1877

Care

Caring for Chromodoris elisabethina requires a well-established reef tank with stable water conditions and low to moderate water flow. They feed exclusively on sponges, so it's essential to ensure a continuous supply of their specific dietary needs. Due to their specialized diet, they can be challenging to keep in captivity, and are recommended for more experienced aquarists.

Reproduction

Like many nudibranchs, C. elisabethina is a hermaphrodite, possessing both male and female reproductive organs. They lay spiral ribbons of eggs on the substrate or aquarium glass. In captivity, breeding is rare, and raising the larvae to adulthood is exceptionally challenging due to their specific dietary requirements.

Symbiosis

While not known for any specific symbiotic relationships, nudibranchs like C. elisabethina play a role in controlling sponge populations, which can be beneficial in maintaining the balance of a reef ecosystem.

Habitat

Chromodoris elisabethina is typically found in the coral reef environments of the Indo-Pacific, from the Red Sea to South Africa and east to the central Pacific. They are usually observed at depths ranging from shallow waters to about 30 meters, often seen crawling on or near their sponge prey.