Crystal Black Shrimp Care Guide
Caridina cantonensis · Freshwater Invert

What Crystal Black Shrimp look like
Caridina cantonensis, commonly known as the Crystal Black Shrimp, exhibits a distinct and striking morphology characterized by its elongated, laterally compressed body shape, which can reach a maximum adult size of approximately 4 centimeters. This species displays pronounced sexual dimorphism, with females typically being larger and possessing a more rounded abdomen compared to the slimmer males. The shrimp's exoskeleton is a brilliant porcelain white adorned with deep jet-black thick horizontal bands, creating a stark contrast that enhances its visual appeal. Notably, the shrimp lacks transparency, which is critical for identification, and features well-defined antennae and compound eyes that aid in navigation and foraging. Defensive adaptations include the ability to blend into the substrate and utilize crevices for shelter, while the presence of a robust carapace provides additional protection against predators.
Behavior & temperament
In terms of behavior, Caridina cantonensis is a social species that thrives in small groups, exhibiting a non-aggressive temperament. They are primarily benthic dwellers, often found foraging among leaf litter and substrate in the lower strata of their aquatic environment. During breeding, females exhibit egg scattering behavior, releasing fertilized eggs into the water column, which then adhere to surfaces until hatching. The social hierarchy is relatively flat, with no strict dominance among individuals, allowing for a peaceful community setup in captivity. Their active foraging behavior and tendency to interact with conspecifics make them engaging inhabitants of aquaria.
Diet & feeding
In the wild, Crystal Black Shrimp are omnivorous, feeding on biofilm, detritus, and decaying plant matter. In captivity, they require a varied diet that includes high-quality shrimp pellets, blanched vegetables, and occasional protein sources such as spirulina and crushed fish flakes to ensure optimal health and coloration.
Behind the name
The genus name 'Caridina' is derived from the Greek word 'karis' meaning 'shrimp', while 'cantonensis' refers to the region of Canton (Guangzhou) in China, indicating the species' geographic origin.
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Crystal Black Shrimp?
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