 Others found in relatively deep waters include species such as "Alticorpus macrocleithrum" and "Pallidochromis tokolosh" down to below the surface in Lake Malawi, and the whitish (nonpigmented) and blind "Lamprologus lethops", which is believed to live as deep as below the surface in the Congo River.Cichlids are less commonly found in brackish and saltwater habitats, though many species tolerate brackish water for extended periods; "Mayaheros urophthalmus", for example, is equally at home in freshwater marshes and mangrove swamps, and lives and breeds in saltwater environments such as the mangrove belts around barrier islands.Several species of "Tilapia", "Sarotherodon", and "Oreochromis" are euryhaline and can disperse along brackish coastlines between rivers.