Tachypleus tridentatus, male = tri-spine horseshoe crab Tachypleus tridentatus, male
Basis of record drawing/water colour
Scientific name Tachypleus tridentatus
Artist Kawahara Keiga (1786–)
Date artwork between 1823 and 1829
Source: https://commons.wikimedia.org/wiki/File:Naturalis_Biodiversity_Center_-_RMNH.ART.24_-_Tachypleus_tridentatus_-_Kawahara_Keiga_-_1823_-_1829_-_Siebold_Collection_-_pencil_drawing_-_water_colour.jpeg
Tachypleus tridentatus, commonly known as the Chinese horseshoe crab, Japanese horseshoe crab, or tri-spine horseshoe crab, is a species of horseshoe crab found in Southeast and East Asia, with records from China, Indonesia, Japan, South Korea, Malaysia, the Philippines, Taiwan, and Vietnam. It is found in coastal marine and brackish waters, and tolerates colder temperatures than the other Asian horseshoe crabs (Tachypleus gigas and Carcinoscorpius rotundicauda).
Order: Xiphosura
Family: Limulidae
Genus: Tachypleus
Species: Tachypleus tridentatus (Leach, 1819)