Cortez Sea Chub

Found singly or in schools, sometimes mixed with Kyphosus analogus, or grazing with Prionurus laticlavius, in shallow waters close to shore. Has the ability to change from plain grey to spots.
They feed mainly on filamentous algae, but ingest benthic invertebrates and plankton.
Eastern Pacific - Gulf of California to Ecuador

Rudderfish are usually found in turbulent high energy zones where food is more abundant.