Resident Killer Whale (Orcinus ater) is the catalogue name used here for the fish-eating resident killer-whale lineage. Current Society for Marine Mammalogy treatment places it within Orcinus orca rather than accepting it as a separate species (SMM 2026 taxonomy).
Description: Wildlife of Japan guide, Wildlife of Everywhere (wildlifeofeverywhere.com)
PUBLIC DOMAIN — Killer_whale_(Old_Tom)_and_whalers_-_original.jpeg: Charles Eden Wellings (1881-1952)
derivative work: Avenue (talk) — via Wikimedia Commons (source)
Mammals of the World