''Caridina tetrazona'' is a species of freshwater shrimp native to the Wanshan islands in

Guangdong Province ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...

, southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. It was described from specimens collected on Dawanshan Island, where it is found alongside '' Caridina serrata''. The name 'tetrazona' refers to the four banded color patter found in this species.

Taxonomy

A phylogenetic analysis conducted by Chen, Chen, and Guo (2020) found ''Caridina Tetrazona'' to be sister to '' C. serrata'', with both of these species closely related to '' C. trifasciata''. The tree below is summarized from their analysis:

References

Atyidae Freshwater crustaceans of Asia Crustaceans described in 2020 {{Caridea-stub