Which large ancient fish is a long-lived bottom dweller in Great Lakes tributaries?

Lake Sturgeon | Paddlefish | Carp | Trout

Which habitat do lake sturgeon prefer?

Large rivers and Great Lakes bottoms with gravel | Small ponds | Alpine streams | Desert pools

What do adult sturgeon commonly eat?

Benthic invertebrates and small fish | plants | algae | insects

Which conservation concern affects lake sturgeon?

Overharvest, habitat loss, and barriers to migration | pollution | noise | light

Which sign indicates sturgeon presence?

Large bottom feeding fish and occasional spawning runs | Large hoof prints | Shells on shore | Bird nests

Quiz Answers

Lake Sturgeon. Lake sturgeon are large ancient bottom dwelling fish found in Great Lakes tributaries and large rivers.

Large rivers and Great Lakes bottoms with gravel. Lake sturgeon prefer large rivers and Great Lakes bottoms with gravel for spawning.

Benthic invertebrates and small fish. Adult sturgeon feed on benthic invertebrates and small fish.

Overharvest, habitat loss, and barriers to migration have reduced lake sturgeon populations.

Large bottom feeding fish and occasional spawning runs indicate sturgeon presence.

Quiz Level Rated Hard for Super Brains about Fish