Common name: Pink Sponge

Scientific name: Haliclona rosea (Bowerbank, 1866)
Pink Sponges (Halichondria sp.), Black Sea
Pink Sponges (Halichondria sp.), Black SeaPink Sponges (Halichondria sp.), Black Sea

General Information

The Pink Sponge, scientifically known as Haliclona rosea, is a captivating marine sponge species celebrated for its delicate pink hue and vase-like structure. This sponge is a popular choice among marine aquarists looking to add a touch of elegance and color to their reef tanks. Its intricate structure not only provides aesthetic appeal but also serves as a natural filter, enhancing water quality by removing small particles and detritus.

While not as commonly discussed as some fish or coral species, the Pink Sponge plays a significant role in marine ecosystems and aquariums alike. Its ability to filter water and provide habitat for small marine organisms makes it an important component of reef biodiversity.

Details

Estimated price
Affordable
Recommended minimum tank volume
100 liter (26 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
24 to 26 °C (75 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
30 cm (1′)
Care level
Moderate to difficult
Diet
Planktivore Feeds on small particles, plankton, and bacteria from the water column
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
    Pink Sponge
    Haliclona rosea (Bowerbank, 1866)
  8. Synonyms
    Halichondria mcintoshii Bowerbank, 1874
    Haliclona ferula (Bowerbank, 1866)
    Haliclona fristedti Van Soest & Hooper, 2020
    Haliclona heterofibrosa (Lundbeck, 1902)
    Haliclona obscura (Bowerbank, 1874)
    Haliclona obsura (Bowerbank, 1874)
    Haliclona paupercula Bowerbank, 1882
    Isodictya ferula Bowerbank, 1882
    Isodictya gregorii Bowerbank, 1866
    Isodictya luteosa Bowerbank, 1874
    Isodictya obscura Bowerbank, 1874
    Isodictya paupercula Bowerbank, 1882
    Isodictya rosea Bowerbank, 1866
    Isodictya simplex Bowerbank, 1866
    Reniera ferula (Bowerbank, 1882)
    Reniera heterofibrosa Lundbeck, 1902
    Reniera laxa Lundbeck, 1902
    Reniera obscura (Bowerbank, 1874)
    Reniera rosea (Bowerbank, 1866)
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Caring for the Pink Sponge requires a stable marine environment with excellent water quality. These sponges thrive in aquariums that mimic their natural habitat, with moderate water flow and stable parameters. It's crucial to ensure that the sponge is not exposed to air during handling, as this can cause air to become trapped in its tissues, leading to damage or death.

Lighting should be moderate, as intense lighting can harm the sponge. Placement in shaded areas or under overhangs in the aquarium is often recommended.

Diet and Feeding

The Pink Sponge is a filter feeder, relying on the water column to provide its nutrients. It consumes small particles, plankton, and bacteria, which are abundant in well-established reef tanks. Supplemental feeding is generally not required, but maintaining a nutrient-rich environment will support its health.

Behavior and Compatibility

This species is peaceful and poses no threat to other tank inhabitants, making it an excellent addition to community reef tanks. Its presence can enhance the overall health of the aquarium by contributing to the filtration process.

Symbiosis

While the Pink Sponge does not engage in symbiotic relationships like some other marine species, it often provides a habitat for small invertebrates and microorganisms, which can be considered a form of commensalism.

Health and Common Issues

A healthy Pink Sponge will display vibrant pink coloration and a firm structure. Signs of stress or poor health include discoloration, a mushy texture, or the presence of necrotic tissue. Maintaining optimal water quality and avoiding exposure to air are key to preventing health issues.

Habitat

Naturally found in the shallow marine waters of the Indo-Pacific region, the Pink Sponge prefers coral reefs and rocky substrates where it can attach securely. It thrives in areas with moderate water movement, which aids in its filter-feeding process.