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Caridina gracilirostris
''Caridina gracilirostris'' is an algae-eating species of shrimp native to India. In the wild, it is found in mangroves and marshes.〔(【引用サイトリンク】title=''Caridina gracilirostris'' )〕 It is often kept as a pet in freshwater aquariums due to its unique red rostrum, which gives it an unusual appearance. Its common names include ''mosquito shrimp'', ''rhino shrimp'', ''red-fronted shrimp'', ''Rudolph shrimp'' and ''red-stripe shrimp''.
==Appearance==
''Caridina gracilirostris'' has a nearly transparent body, and with an elongated red rostrum on its head. This red rostrum is the basis for many of the common names given to it, like the rhino shrimp and the mosquito shrimp.〔(【引用サイトリンク】title=Red nose shrimp )〕 On the rostrum, there are clusters small and tight spikes on the ventral side of the rostrum, and the dorsal side is covered with larger and more dispersed spikes.〔 If the shrimp's rostrum is broken off, it will regenerate.〔 Males have red lines running laterally down the body, while females are less colorful and more transparent. Both genders have a distinct hump on their abdomen. An adult can reach .〔(【引用サイトリンク】title=''Caridina gracilirostris'' (red nose / mosquito shrimp) )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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