Cocos (Keeling) Islands released the WWF stamps that feature the species Blacktip Reef sharks or Carcharhinus melanopterus on June 21 , 2003. The issue presented in 4 single stamps and one local FDC which has big image of species and a special shaped of cancellation post mark.
The blacktip reef shark (Carcharhinus melanopterus) is a species of requiem shark, family Carcharhinidae, and easily identified by the prominent black tips on its fins. Among the most abundant sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, this species prefers shallow, inshore waters, and its exposed first dorsal fin is a common sight in the region.