X-Nico

unusual facts about river capture



Brisbane River cod

All naturally occurring Maccullochella cod in east coast drainages ultimately originate from Murray cod, Maccullochella peelii that entered an east coast river system, likely the Clarence, via a natural river capture event somewhere between 0.62 and 1.62 million years ago (mean estimate 1.1 million years ago), as estimated by DNA divergence rates.

Eel-tailed catfish

It is also present in speciated but undescribed forms in several east coast systems in northern New South Wales due to natural river capture events.


see also