Abstract
The west coast of Sumatra is a water area with a high potential for fishery products. One of the areas, (i.e., Sibolga City) is a national fishery center in Indonesia. The high productivity of these waters is supported by the presence of keystone species in nature, one of which is the crab (infraorder Brachyura). This study aims to record brachyuran species on the west coast of Sumatra that are still unknown. Sampling was conducted in Central Tapanuli Regency and Sibolga City using convenience sampling. The samples obtained were 50 individuals. Based on the identification, the sample consisted of 22 species belong to 6 families. Fourteen species is first recorded in this region, and five species are new records in Indonesia.
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