Trachyphyllia

Trachyphyllia is a genus of large polyp stony corals (Scleractinia) in the family Euphylliidae. The genus is typically found in the Indo-Pacific region. Species in this genus are characterized by their relatively large, fleshy polyps and their distinctive, often colorful, skeletal structures. Trachyphyllia corals are popular in the aquarium trade due to their unique appearance and relatively easy care requirements.

Common Names

Species in the genus Trachyphyllia are commonly known as "Trachyphyllia corals" or "Brain corals", though the latter term is also used for corals in the genus Diploria.

Characteristics

Trachyphyllia corals are characterized by the following traits:

  • Large Polyps: They have large, fleshy polyps that are often brightly colored and can extend significantly from the coral skeleton.
  • Massive Skeleton: The skeleton is massive and can be quite irregular in shape. The surface of the skeleton is typically covered in ridges and valleys, giving it a brain-like appearance.
  • Coloration: Trachyphyllia corals are known for their vibrant coloration, ranging from shades of green, brown, and orange to red, pink, and purple.
  • Symbiotic Relationship: Like most stony corals, Trachyphyllia corals have a symbiotic relationship with zooxanthellae algae, which live within their tissues and provide them with food through photosynthesis.

Environment

Trachyphyllia corals are found in a variety of environments, including:

  • Reefs: They are often found on coral reefs, where they can grow in a variety of positions, from shallow water to deeper depths.
  • Lagoons: They can also be found in lagoons, where they are typically exposed to calmer water conditions.
  • Rocky Substrates: Trachyphyllia corals can also grow on rocky substrates, such as boulders and cliffs.

References

Wikipedia: Trachyphyllia
World Register of Marine Species: Trachyphyllia