Brown rockfish – Sebastes auriculatus

Brown rockfish, Brown Rockfish, Sebastes auriculatus
Size: 56 cm
Depth: 0 - 128 m
Water Type: Marine
Toxicity: Toxic
Red List Status: Not evaluated (NE)
Temperature: ~ 59 °F (15°C)

The Brown Rockfish, scientifically known as Sebastes auriculatus, is a species of marine fish belonging to the rockfish family, Sebastidae. This species is a common inhabitant of the Northeast Pacific Ocean, exhibiting a distinctive appearance and unique ecological characteristics.

Description & Characteristics

The Brown Rockfish, Sebastes auriculatus, can reach a maximum size of 56.0 cm, and is distinguished by its brown to reddish-brown coloration. This species possesses a robust body and is characterized by a relatively large head and prominent eyes. Its fins are generally reddish-brown, with a slight tinge of orange. The Brown Rockfish is a relatively long-lived species, with individuals known to survive for several decades.

Habitat and Occurrence

The Brown Rockfish, Sebastes auriculatus, exhibits a wide depth range, occurring from the surface down to 128.0 meters. This species inhabits rocky reefs, kelp forests, and other hard-bottom habitats. It is a common inhabitant of the Northeast Pacific Ocean, including the waters off the coast of California and Oregon. This species is typically found in both the Neritic and Oceanic marine zones, indicating its adaptability to different environments.

Taxonomy

The species Sebastes auriculatus belongs to the Class: Teleostei, Order: Perciformes, and Family: Sebastidae. This classification places the Brown Rockfish among the ray-finned fishes, a diverse group with a wide range of adaptations for aquatic life. Within the Perciformes, or perch-like fishes, Sebastes auriculatus is further categorized within the Sebastidae family, a group known for their relatively sedentary lifestyles and their tendency to inhabit rocky bottom environments.

Feeding

The Brown Rockfish, Sebastes auriculatus, is a predatory fish with a diverse diet. Its feeding habits include consuming a wide range of prey items, including amphipods, crabs, crustaceans, fish (little fishes), invertebrates, krill, mysis, rock shrimps, shrimps, starfishs, worms, zoobenthos, and zooplankton. It also scavenges carrion and detritus. This opportunistic feeding strategy allows Sebastes auriculatus to thrive in various environments and take advantage of available food sources.

Associated Species

Image References

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