Olive Rockfish

Olive Rockfish

Sebastes serranoides

Physical Description

The Olive Rockfish, known scientifically as Sebastes serranoides, presents a streamlined profile, measuring between 40 to 61 centimeters in length. Distinguished by its unadorned head lacking spines, this species boasts a dark brown or brownish-green hue above the lateral line, accentuated by large irregular white spots. Its ventral region appears pale, while its fins and tail showcase shades of olive-yellow. Notably, the anal fin features nine soft rays, with the last one bifurcated.


Moderately common along the eastern Pacific coast, the Olive Rockfish often adopts a solitary lifestyle, preferring habitats within the water column situated well above the seabed. Frequently encountered near the peripheries of kelp forests, this species navigates the expansive ocean with finesse, utilizing its streamlined form to move effortlessly through its preferred environment.

Geographical Range

The Olive Rockfish occupies a geographical range spanning from southern Oregon to Baja California. Within this coastal expanse, it establishes its presence in diverse marine habitats characterized by the presence of kelp forests and rocky substrates, where it finds ample opportunities for foraging and shelter.

What They Eat

As a piscivorous predator, the Olive Rockfish preys upon smaller fishes and crustaceans that inhabit the kelp forests and adjacent waters. Its diet reflects the intricate web of marine life along the eastern Pacific coast, contributing to the ecological dynamics of its ecosystem.

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