A devil ray, Mobula mobular, was introduced in 2003 and lives there still.
From the en.wikipedia.org
The devil ray symbol, however, is still used on the sleeve of their jerseys, and there is still a tank of cownose rays in the outfield.
From the en.wikipedia.org
The teams'primary colors, formerly black, green, and blue, were changed to navy blue, Columbia blue, and gold, and the team's symbol was changed from a devil ray to a ray of sunlight.