The Bryde's whale complex (/ˈbruːdə/ BREW-də) comprises two putative species of rorqual: Bryde's whale (Balaenoptera brydei, Olsen, 1913), a larger form that occurs worldwide in warm temperate and tropical waters, and the Sittang or Eden's whale (B. edeni, Anderson, 1878), a smaller form that may be restricted to the Indo-Pacific. There is also a smaller, coastal form of B. brydei off southern Africa, and perhaps another form in the Indo-Pacific which differs in skull morhology, tentatively...