There is no information on mating in pygmy killer whales.
Little is known about the reproduction of Feresa attenuata. It is believed that males are sexually mature when they are greater than 2.16m in length and females when they are greater than 2.21m in length. The summer months are probably when most of the calves are born. Generally one calf is born. (Ridgway, 1994; Tinker, 1988; http://www.anca.gov.au/plants/threaten/plans/action_plans/cetaceans/whaleap5p.htm, 1999).
Breeding interval: Breeding occurs once yearly, although individual females may give birth less frequently.
Breeding season: The breeding season is unknown.
Average number of offspring: 1.
Key Reproductive Features: iteroparous ; seasonal breeding ; gonochoric/gonochoristic/dioecious (sexes separate); viviparous
Females care for and nurse their young until they reach independence. Little is known about the details of parentl care in these whales.
Parental Investment: no parental involvement; precocial ; pre-fertilization (Protecting: Female); pre-hatching/birth (Provisioning: Female, Protecting: Female); pre-weaning/fledging (Provisioning: Female, Protecting: Female); pre-independence (Provisioning: Female, Protecting: Female)