Prior to 1988, T. acutirostris occurred in upland streams throughout the World Heritage Area.
Most species typically inhabit clear swift-flowing upland streams with sandy or rocky substrates.
The upland streams of the Rye and its tributaries have powered water mills for many centuries.
At a bend in the river, an upland stream fell into the Middle Mother, which itself came from higher ground.
Pseudobagarius species typically inhabit clear, swiftly flowing upland streams with sandy or rocky substrates.
On many upland streams a large boulder will often be the chosen perching spot of the dipper.
Among upland streams in the Midwest, the smallmouth bass is king, the green sunfish a mere commoner.
The gilt darter was found to prefer upland cool-water streams.
Alviso Slough was historically not fed by any upland streams, but simply carried tidewater in and out of the extensive salt marshes.
It is also found in clear upland streams with predominantly gravel substrates.