
The Caatinga is a semi-arid biome endemic to north-eastern Brazil, where precipitation is very seasonal and most aquatic systems dry up for some period of the year ( Barbosa et al.

2003 Humphries and Baldwin 2003 Willson et al.


Freshwater organisms are vulnerable to occasional droughts or time periods with low precipitation which results in the demand for strategies to deal with these harsh conditions ( Brock et al.
