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Protected Marine Species (5th)
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information on Korean stamp
Date of Issue : 2022.04.20
Types : 4
Denomination : 430 won
Design :
Stamp No. : 3591
Printing Process
& Colors
: null
Size of Stamp : 35 × 35
: 4 × 4
Image Area : 35 × 35
Paper : null
Perforation : 13⅓ x 13⅓
Printer : POSA
Designer : Park,Eun-kyung
Quantity : 640,000
In accordance with the Conservation and Management of Marine Ecosystems Act, the Korean government is managing 83 designated marine species that require special protection by the nation. Since 2018, Korea Post has been issuing the commemorative stamp series Protected Marine Species to spread awareness on the conservation of habitats and restoration of the population of protected marine species. This year`s commemorative stamp Protected Marine Species (5th) depicts four crab species that live in seashores and estuaries. Chasmagnathus convexus, a common mudflat crab of the family Varunidae, is commonly referred to as “cleaners of mudflats” because it consumes corpses of other organisms and organic matter as if cleaning up the mudflats. It lives in piled stones in the upper areas of tidal flats or in holes near coastal grasslands. It typically measures 40 mm in length and 50 mm in width with shells that have vertical grooves in the middle. Most are usually brown in color, but may appear purple during breeding season. While it has been confirmed to inhabit southern coastal regions, it was also observed in parts of Jeju and the western coast. It was designated as a class II endangered species by the Ministry of Environment (ME) in 2005, and has been managed by the Ministry of Oceans and Fisheries (MOF) since 2007 as a protected marine species. Ocypode stimpsoni lives in 50 to 70 cm burrows that it digs in upper tidal flats in sandy shores, and shake its pincers to eat food. It features a rectangular carapace, a narrow forehead, and a shell that curves inward with distinctively large eyestalks. It used to inhabit the sandy eastern and western coasts as well as Jeju, but due to the recent development of beaches, its habitats have been destroyed. Consequently, its population rapidly declined, and it was designated as a protected marine species by MOF since 2016. Sesarmops intermedius typically breeds in stones along small rivers, hills or meadows. Its Korean name derives from its red legs and many claiming that its body smells like horse feces. Its carapace measures 30 mm long and 35 mm wide with two clear yet thin grooves. It also has one distinct tooth behind the orbital tooth, making it easily distinguishable from other crabs. It mostly lives in the western and southern coasts of Korea or in estuaries in Jeju; however, due to the rapid decrease in population caused by restricted breeding conditions, it was classified as a class II endangered species by ME in 2005, and it was designated as a protected marine species by MOF in 2006. Austruca lactea got its name from its pincers that are milky white in color. Males have unusually bigger pincers, which distinguishes them from their female counterparts. Its carapace measures 9 mm long and 14 mm wide, appearing broad in the front and narrow in the back, similar to a trapezoid. The color is gray with some blue patterns. It is scattered along the western and southern coasts of Korea, but have been declining in population due to coastal development. It was classified as a class II endangered species by ME in 2012, and it was designated as a protected marine species by MOF in 2016. This commemorative stamp series illustrates four crab species that are both small and big but are difficult to distinguish. These close-up photographs of crabs capture them in their natural habitat, giving a closer look at the protected marine species that we don’t see every day. We hope that this commemorative stamp series serves as an opportunity to enjoy and observe marine species that must be protected, and foster awareness to conserve them.