rocky bottom
Riverbed with rocks
Rocky bottom refers to the floor of a body of water composed of rocks rather than sand, mud, or vegetation.
Fishermen and divers use it to describe underwater terrain: Bass tend to gather around rocky bottom structures.
The phrase also appears in aquarium contexts to describe substrate.
Distinct from rock bottom, meaning the lowest possible point.
- stonyRocky or emotionless
- gravelLoose small rock fragments
- riverbedFloor beneath flowing water
- substrateUnderlying supporting material
- cobblesRounded paving stones
boulders · sediment · creek · shallow · pebbles · algae · crevice · streambed · rough · uneven · aquatic · fish habitat · cold · clear · clear water · current · slippery · moss