European green crabs first reached the Pacific coast in 1989, but it wasn’t until 2022 that they showed up in Alaska.
"Alaska invasive species"
Unalaska readies to deploy traps for invasive European green crabs
The crabs destroy habitat and outcompete native species.
Invasive pike can use Cook Inlet to travel between freshwater systems, research finds
Pike dominate any system they’re in, eating salmon and degrading local fish populations.
Grubby’s son captured as Homer faces growing opossum oproblem
It turns out that Grubby the opossum — who hitched a ride to Alaska in a shipping container in March — had babies.
An invasive parasite is taking over Alaska blue mud shrimp. Researchers want to kill it
Orthione griffenis, or O. griffenis, eventually kills its host shrimp, and soon the remaining shrimp can’t find each other to reproduce, rendering a blue mud shrimp population extinct.