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The Collaborative International Dictionary
Lates

Lates \La"tes\, n. [NL., fr. Gr. ? a fish of the Nile.] (Zo["o]l.) A genus of large percoid fishes, of which one species ( Lates Niloticus) inhabits the Nile, and another ( Lates calcarifer) is found in the Ganges and other Indian rivers. They are valued as food fishes.

Wiktionary
lates

Etymology 1 n. Any of various large fish of the genus Lates, especially the Nile perch, (spelink: Lates niloticus) and the barramundi, (spelink: Lates calcarifer). Etymology 2

n. (plural of late English)

Wikipedia
Lates

Lates is a genus of lates perches belonging to the family Latidae. The generic name is also used as a common name, lates, for many of the species.

The Nile perch has become infamous as an invasive species in the east African Lake Victoria, where many native cichlids now are extinct. In contrast to the Nile perch, several smaller members of the genus Lates with relatively restricted African distributions are themselves considered threatened.