Ecological traitswere defined based on species biological and behavioral characteristics such as asymptotic length (L∞), minimumandmaximumdepths, migratory behavior and fecundity. The asymptotic length was provided by the von Bertalanffy growth equation parameters (Bertalanffy, 1938), available in Froese and Pauly (2012). The minimum and maximum depths were found in Lieske and Myers (1994). The migratory behavior was determined using McPherson and Jetz (2007).
Species closely associatedwith their habitat and generally characterized by a narrowspecies range-sizewere classified as sedentary. Conversely,seasonal visitors and species exhibiting local movements within the study areawere treated as nomadic. The species fecunditywas deduced from Froese and Pauly (2012). Species with minimum population doubling time less than 15 months were classified as highly fecund. Others were indistinctly considered as moderately or least fecund.