None of them permanently reside in the sea, though some can venture into it, and several species can tolerate the brackish water of estuaries, mangrove swamps, and the extreme salinity of hypersaline lakes.
Ningún deles reside permanentemente no mar, aínda que algún pode avenurarse nel, e varias especies poden tolerar as augas salobres dos estuarios, mangleirais, e a salinidade extrema de lagos hipersalinos.