By Post of Indonesia - http://www.wnsstamps.ch/en/stamps?page=1&search[authority_id]=143&search[freetext]=&search[month]=&search[order_by]=asc&search[theme_id]=&search[year]=2004, Public Domain, https://commons.wikimedia.org/w/index.php?curid=23156835
https://us.whales.org/whales-dolphins/species-guide/indo-pacific-finless-porpoise/
IUCN Status: Vulnerable
Size: 1.7 meters
Habitat: East China Sea west to the Indo-Malay region