Catostomus commersoni
Size
to 25"
Suckers live in any kind of water, from fast-flowing streams to large lakes. They vacuum up invertebrates from lake and stream beds.
Redhorse Suckers are similar, but sport colorful fins, like some kind of tropical aquarium fish.
Gasterosteus aculeatus
( Threespine, right )
Apeltes quadracus
( Fourspine, below )
Size:
to 4" (threespine)
to 2" (fourspine)
Habitat:
Weedy shore waters, occasionally at sea or even in freshwater.
Notes:
Sticklebacks are related to Pipefish and Seahorses. Three- and four-spined varieties are common in our area. A Ninespine variety is also possible.
More: Sticklebacks ...
