Threespine Stickleback can be found in virtually every environment you can imagine.

Species: Threespine Stickleback (Gasterosteus aculeatus)
Location: Undisclosed Creek, Southern California
Date: August 8, 2018

When you think of the most naturally widespread freshwater fish on earth, you probably think of bass, carp, or trout. That’s a reasonable assumption, but it’s wrong. Those three fish have been introduced worldwide to become the most prevalent, but the fish with the largest natural range is a diminutive little fish capable of living in freshwater, saltwater, brackish water and adapting its life history to fill in all the blanks.

I already wrote about this fascinating little fish. Read about it here.

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#SpeciesQuest // #CaughtOvgard

Read the next entry in #SpeciesQuest here: Species #179 — Desert Pupfish.

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