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Caridina spongicola

Caridina spongicola is a small species of freshwater shrimp from Sulawesi (Indonesia) that reaches 0.64 to 1.27 cm in length. In the wild it strictly lives on an undescribed species of freshwater sponge, making it one of only two known commensal species of freshwater shrimp. It is popularly known as the harlequin shrimp, and also sometimes Celebes beauty shrimp or sponge shrimp in the aquarium trade. It is often confused with Caridina woltereckae, a larger and more contrastingly colored species found in the same region as C. spongicola.

Description
The species has a red- and white-patterned body that has made it popular in the tropical fish industry. Legs and feelers have bands of both red and white along their lengths, eye stalks are red, and the eyes themselves are black and fairly large in size (0.8-0.9 x 0.4-0.6 mm). The carapace of the species has three red stripes running along it, the final one at the base of the tail, with red coloration running halfway along the top of the head, from the tip. The tail is red along the top and bottom, with a white band along each side. ==Distribution and ecology==
Distribution and ecology
Caridina spongicola is endemic to Lake Towuti, They are known to be intolerant of temperatures lower than 25.5 °C, which can kill them, to require hard water, and also to require water pH levels no less than 7.0. ==Breeding==
Breeding
Caridina spongicola is a "complex breeder", meaning that young are hatched as miniature adults with the same coloration (although not as intense), with no need to transfer from salt and/or brackish water to freshwater as they develop through larval stages. Eggs are black in color, are roughly 10-15 in number, 0.8-0.9 x 0.4-0.6 mm in size, and are carried by the female for 20–30 days before hatching. When not carrying eggs, there is no known, proven way to distinguish females of this species from the males. ==See also==
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