Staghorn Coral (Acropora formosa)

Staghorn Coral

Technical Data

Stamp Set Corals of India
Date of Issue July 22, 2001
Denomination Rs. 45
Quantity 3,000,000
Perforation comb 13
Printer Calcutta Security Printers Ltd
Watermark No Watermark
Colors Multicolor
Catalog Codes

Michel IN 1845

Stamp Number IN 1904

Yvert et Tellier IN 1611

Stanley Gibbons IN 2011

Themes

Staghorn Coral

The Staghorn Coral (Acropora formosa) is a well-known species in the coral reef ecosystem, appreciated for its distinctive appearance and ecological role. Here’s a detailed look at this coral:

Key Characteristics:

  • Growth Form: Acropora formosa is renowned for its staghorn-like appearance. It features branching structures that resemble antlers or stag horns, with the branches often spreading outward in a tree-like formation.
  • Branch Structure: The branches are typically cylindrical and may taper to a point. They can be quite slender and exhibit a thick, bushy growth that contributes to the reef structure.
  • Color: This coral is commonly found in colors ranging from tan and brown to green and blue. The vibrant hues can often become more pronounced under certain lighting conditions.

Habitat and Distribution:

  • Acropora formosa is found in shallow reef environments across the Indo-Pacific region. It thrives in tropical waters and is commonly seen in reef flats, reef slopes, and lagoons.
  • Its distribution includes areas around the Great Barrier Reef, Philippines, Indonesia, and parts of the Pacific Ocean.

Feeding and Symbiosis:

  • Similar to other corals, Acropora formosa relies heavily on a symbiotic relationship with zooxanthellae, microscopic algae that live within its tissues. These algae perform photosynthesis, producing energy that supports coral growth.
  • In addition to its photosynthetic symbiosis, Acropora formosa captures plankton and small particles from the water using its polyps, which extend to feed during the night.

Ecological Importance:

  • The branching structure of Acropora formosa creates complex habitats for a wide variety of marine life, including small fish, crustaceans, and other reef-dwelling organisms.
  • It plays a critical role in reef building by contributing to the physical structure of the reef, providing shelter and breeding grounds for numerous species.
  • Its growth contributes to reef resilience and helps maintain the overall health of the coral reef ecosystem.

Conservation Status:

  • Acropora formosa, like many corals, is under threat from climate change, coral bleaching, ocean acidification, and pollution. Conservation efforts are crucial to protect this species and the broader reef ecosystems.
  • Preserving coral reefs involves addressing global climate issues, reducing pollution, and implementing sustainable fishing practices to mitigate stress on coral populations.

The Staghorn Coral’s intricate and dynamic growth patterns make it a vital component of the coral reef system, contributing both to biodiversity and reef structure.