Common name: Knob coral

Scientific name: Favia marshae Veron, 2002
Stony coral Knob coral (Goniastrea stelligera. Previously called Favia stelligera) undersea, Red Sea, Egypt, Sharm El Sheikh, Nabq Bayfavia stelligera
Closeup of hard coral, Favia stelligera, Raja Ampat Indonesia.Knob coral (Favites rotundata), undersea macro photography

General information

Favia marsha's Brain Coral, commonly known as Marsha's Favia, is a species of stony coral that is highly appreciated in the reefkeeping hobby for its robustness and vibrant colors. This coral is part of the family Faviidae and is known for its dome-shaped colonies and polyps that extend during the night to feed.

Details

Lighting
50 to 150 PAR
Salinity
S.G. 1.023 to 1.026
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 7.8 to 8.4
Care level
Moderate to easy Calcium and alkalinity levels are crucial.
Flow
Moderate Mimics natural moderate currents.
Aggression
Semi aggresive May extend sweeper tentacles at night.

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Cnidarians
    Cnidaria
  3. Class
    Anthozoans
    Anthozoa
  4. Order
    Stony Corals
    Scleractinia
  5. Family
    Brain Corals
    Faviidae
  6. Genus
    Brain Coral
    Favia
  7. Species
    Knob coral
    Favia marshae Veron, 2002

Care

Marsha's Favia is relatively easy to maintain, making it suitable for both novice and experienced aquarists. It thrives in moderate lighting conditions and benefits from moderate water flow, which helps to keep the polyps free of debris and aids in feeding. Supplemental feeding with microplankton or finely minced seafood can promote growth and enhance coloration.

Symbiosis

While Favia corals do not have the same type of symbiotic relationships as clownfish and anemones, they do host a variety of small invertebrates and microorganisms within their structure. These relationships are generally commensal, where the organisms find shelter within the coral's crevices without harming the coral.

Habitat

Favia marsha's Brain Coral is found in the Indo-Pacific region, typically in shallow reef environments. They are often located on reef slopes or in lagoons, where they contribute to the complex structure of the reef ecosystem.