Appearance Length at maturity (m): Male 12.8–13.1 13.7
Female 13.7–14.0 14.3–14.6
Scarring: Oval pits Few or none Extensive over body
Ventral scratches Common Absent
Baleen shape Narrow Broad
Distribution Habitat Coastal Pelagic
Distance from coast 50 nautical miles
Life history Prey Small schooling fish (e.g. sardine,
anchovy)
Mostly euphausiids; some mesopelagic
fish
Reproductive season Aseasonal Year-round, peaks in autumn
Ovulation rate (y–1) 2.35 0.42
Migrations Local, longshore movements North–south movements, towards the
equator in winter and to 34° S in summer