1) Fish genus 2) Genus decapterus 
Decapterus is a genus of marine fishes in the family in the jack family, Carangidae, commonly known as mackerel scads, round scads, or horse mackerel. They are found throughout the world. Currently, 12 recognized species are found in this genus: ...
[n] - scads especially mackerel scad
genus Decapterus noun scads especially mackerel scad; cosmopolitan in distribution