The group argues the National Oceanic and Atmospheric Administration isn't looking at how many of the small -- or "forage" -- fish are needed to maintain a healthy ocean ecosystem.  One key role of the small fish is to give bigger fish something to eat.

Ben Enticknap is the Pacific projects manager for Oceana. He said the law requires federal fishery managers to look at the effect of fishing on the entire ocean ecosystem.  And he says the rule approved last month didn't do that.

"Although our national laws call for protection of the ecosystem, in this case the agency chose to ignore those laws," Enticknap says.

Read the complete story from Oregon Public Broadcasting.