Reeflings

Common name: Amboinensis Sponge

Scientific name: Haliclona amboinensis (Lévi, 1961)

General information

The Amboinensis Sponge, scientifically known as Haliclona amboinensis, is a species of sponge found in various reef environments. This sponge is notable for its vibrant colors, which can range from purple to blue, and its intricate, branching structure that adds a unique aesthetic to any reef aquarium.

Details

Recommended minimum tank volume
100 liter (26 gallons)
Salinity
S.G. 1.023 to 1.025
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8.1 to 8.4
Average size
30 cm (1′)
Care level
Moderate to easy Requires stable water conditions.
Diet
Planktonivore Feeds on microplankton in the water.
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Sponges
    Porifera
  3. Class
    Demosponges
    Demospongiae
  4. Order
    Haplosclerida sponges
    Haplosclerida
  5. Family
    Chalinidae Sponges
    Chalinidae
  6. Genus
    Haliclona Sponges
    Haliclona
  7. Species
    Amboinensis Sponge
    Haliclona amboinensis (Lévi, 1961)
  8. Synonyms
    Gellius amboinensis Lévi, 1961
    Sigmadocia amboinensis (Lévi, 1961)

Care

Caring for Haliclona amboinensis requires a stable reef environment with moderate to strong water flow to mimic its natural habitat. It is important to maintain high water quality, as sponges are sensitive to elevated levels of nitrates and phosphates. They are filter feeders, so providing a constant supply of fine particulate organic matter or plankton is essential for their nutrition.

Reproduction

Sponges like Haliclona amboinensis reproduce both sexually and asexually. In the aquarium, they often reproduce asexually through budding, where a part of the sponge breaks off and develops into a new individual. Sexual reproduction involves the release of sperm into the water column, which then fertilizes eggs in other sponges, leading to the development of free-swimming larvae.

Symbiosis

Haliclona amboinensis can host a variety of microorganisms within its tissues, including beneficial bacteria and single-celled algae. These symbionts can help the sponge by processing waste products and contributing to its nutrition through photosynthesis.

Habitat

In the wild, Haliclona amboinensis is typically found in shallow to mid-depth reef environments where it attaches to hard substrates. It thrives in areas with good water circulation, which is crucial for delivering the nutrients it filters from the water.