Linked from
The 8 pages that link to Thunniform locomotion, each with the reason it gives.
Caudal finBroader topic: Tunas use this tail-driven mode for sustained, high-speed swimming.
TunaRelated: Tuna use this efficient propulsion pattern for sustained high-speed swimming.
ScombridaeRelated: This efficient propulsion helps tunas sustain high speeds over long distances.
Skipjack tunaRelated: Skipjack's stiff body and powerful tail support sustained high-speed movement.
BillfishRelated: Billfish use this efficient swimming style to pursue prey across open water.
OphthalmosaurusRelated: Its streamlined form and tail suggest efficient, sustained swimming.