Abstract--We used scuba over fixed-width strip transects to monitor seasonal abundances of brown rockfish (Sebastes auriculatus) and copper rockfish (S.
In this study, we seasonally monitored the abundance of 2 demersal rockfish species, brown rockfish (Sebastes auriculatus) and copper rockfish (S.
Although tagging studies involving brown or copper rockfish have occurred throughout much of the range of these species and have encompassed a variety of investigative objectives (Miller et al.
Species such as Copper Rockfish (Sebastes caurinus) and larval smelts (Osmeridae) numerically dominated catches for some months (Fig.
Copper Rockfish were also seasonally abundant, with peak occurrences a month earlier than Black Rockfish in May through July (Fig.
In general, influxes of YOY fishes were observed from May through August and included large numbers of YOY Black Rockfish, Copper Rockfish, Shiner Surfperch, and Striped Surfperch (Fig.
Species Common Name Species Code Lingcod Ophiodon elongatus OELO Mexican rockfish Sebastes macdonaldi SMAC Greenblotched rockfish Sebastes rosenblatti SGBL Brown rockfish Sebastes auriculatus SAUR Vermilion rockfish Sebastes miniatus SMIN Copper rockfish
Sebastes caurinus SCAU Widow rockfish Sebastes entomelas SENT Squarespot rockfish Sebastes hopkinsi SHOP Blue rockfish Sebastes mystinus SMYS Bocaccio Sebastes paucispinis SPAU Flag rockfish Sebastes rubrivinctus SRUB Starry rockfish Sebastes constellatus SCON Platform (# of fish) Size Range Common Name (TL in cm) Gail Gilda Grace Lingcod 66.
All together, the freedivers shot black sea bass, kelp greenling, purple perch, a China rockfish and one copper rockfish
- "all in 10 to 50 feet of water right off Port Orford, near the kelp beds and offshore rocks and reefs," Cheesman said.
The catch rate declined for most large species including bocaccio and chilipepper, and the mean size declined for several large species including chilipepper, vermilion rockfish, copper rockfish
, and greenspotted rockfish.
The composition of the catch from the Ano Nuevo subarea, available for 1960-71 and 1977, is dominated by blue rockfish (49%), lingcod, copper rockfish, and black rockfish (Table 2) and is quite different from the composition from any other area.
Canary rockfish and copper rockfish from the "other rockfish" category were both consistent components of the Ano Nuevo catch, reaching highest proportions when blue rockfish were scarce.
Calico and copper rockfish
, along with sharpnose seaperch, tended to avoid both sea floors with no beam present and sea floors where the beam structure was completely exposed (and the gap was significant).