signaalkreeft

Signaalkreeft refers to a group of species within the genus Cherax, which are freshwater crayfish native to Australia and New Guinea. These crayfish are often characterized by their vibrant colors, with species like Cherax destructor (common yabby) and Cherax quadricarinatus (Australian red-claw crayfish) being prominent examples. Their common names, such as "yabby" or "red-claw," often reflect their distinctive features or geographical origin.

These crustaceans are popular in aquariums due to their striking appearances and relatively hardy nature. They are omnivores and scavengers, feeding on a varied diet that can include sinking pellets, blanched vegetables, and small pieces of fish. In their natural habitats, signaalkreeften play a role in aquatic ecosystems as detritivores, helping to clean up organic matter.

The term "signaalkreeft" is not a strictly scientific classification but rather a descriptive term often used in some regions, particularly in German-speaking countries, to refer to these noticeable crayfish species. Their management and conservation in Australia are important considerations, as some species can be invasive if introduced outside their native range. Aquaculture of certain signaalkreeft species is also practiced for food consumption and the ornamental pet trade.