''Varuna litterata'', also known as the river swimming crab or the peregrine crab, is a
euryhaline
Euryhaline organisms are able to adapt to a wide range of salinities. An example of a euryhaline fish is the short-finned molly, '' Poecilia sphenops'', which can live in fresh water, brackish water, or salt water.
The green crab ('' Carcinus m ...
species of crab native to the
Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
. It is commonly found in slow-moving or almost stagnant
fresh
Fresh may refer to:
Arts, entertainment, and media Films and television
* ''Fresh'' (1994 film), a crime film
* ''Fresh'' (2009 film), a documentary film on sustainable agriculture
* ''Fresh'' (2022 film), a thriller film
*''Fresh with the Aust ...
or
brackish water
Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuary ...
s in
estuarine
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...
habitats.
References
Grapsoidea
Crustaceans described in 1798
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