Figure 1 in The first investigation record of threatened horseshoe crabs in the Banyuasin estuarine, South Sumatra, Indonesia

Figure 1. Tachypleus gigas from Banyuasin Estuarine Waters, South Sumatra, Indonesia. This species has a triangular telson shape and only one spine (yellow arrow) on the rear part of the opisthosoma. Female has a chelate clasper like scissors (red oval) while the male has a hemichelate clasper like hooks on the first and second walking legs (yellow oval).