Cherax pulcher

Cherax pulcher is a freshwater crayfish species native to West Papua, Indonesia. Its vivid blue and purple coloration made it popular in the aquarium trade.

Connect

Cherax: Cherax is a genus of freshwater crayfish native to Australia and parts of New Guinea. This species belongs to the genus Cherax, whose members include many traded aquarium crayfish.
Holthuis: Lipke Holthuis was a Dutch carcinologist whose work established modern classifications of decapod crustaceans. Holthuis described Cherax pulcher in the scientific account that formally named the species.
Aquarium trade: The aquarium trade is the commercial breeding, sale, and exchange of organisms kept in aquariums. Its unusual colors helped C. pulcher attract attention in the ornamental crayfish market.
Conservation biology: Conservation biology studies biodiversity and develops ways to protect species and ecosystems. A narrowly distributed species in trade raises concerns about long-term population protection.
Decapoda: Decapoda is the crustacean order containing shrimps, crabs, lobsters, and crayfish. Its ten walking legs place Cherax pulcher within this major crustacean order.
Taxonomy: Taxonomy is the practice of describing, naming, and classifying organisms. The species’ placement and scientific name depend on taxonomic description.
Freshwater aquarium: A freshwater aquarium is a contained aquatic habitat maintained for freshwater organisms. Captive keeping is the main setting in which the species is encountered outside its native range.
Endemism: Endemism is the restriction of a species or other taxon to a particular geographic area. C. pulcher’s known origin in West Papua makes the extent of its range consequential.
Crayfish: Crayfish are freshwater decapod crustaceans resembling small lobsters. The species is one of the freshwater crayfish distinguished by its vivid coloration.
Scientific naming: Binomial nomenclature names each species with a two-part Latinized name. Cherax pulcher follows this system, combining its genus name with a species epithet meaning beautiful.