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Macrobrachium formosense
Palaemonidae
Taiwan river prawn
台灣沼蝦
© Jeffery C.F. Chan
Size
Typically, 5 – 13cm (excluding chelae).
Identification
Usually with a semi-translucent body with a single vertical bar approx. the 2-3 segment of the dorsal side of the abdomen. Mature males can be dark brown to almost black in colour throughout. Chelae usually brown to dark green but can vary. In semi-translucent individuals, there will be three irregular vertical stripes on both sides of the lateral side of the carapace.
Description
Amphidromous species, with juveniles entering streams and large rivers to reside and reproduce. The most widespread and dominant diadromous species in Hong Kong. A very strong climber and can be found in headwaters above dams and waterfalls alike.
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