Redbanded rockfish In 1995, 280 tons were caught by longline off British Columbia. Often, though, this fish is taken as bycatch during trawling operations targeting other species, such as the yelloweye rockfish ("S. ruberrimus") and halibut ("Hippoglossus stenolepis"). Bycatch of this species in trawls off the coast of British Columbia well exceeded 1,000 tons in 1992. It has dropped below 300 tons per year since then due to better monitoring. This fish is host to a number of parasitic copepods, including "Chondracanthus pinguis", "C. triventricosus", "Clavella parva", "Colobomatus kyphosus", "Naobranchia occidentalis", "Peniculus asinus", and "Neobrachiella robusta". Redbanded rockfish Sebastes babcocki is a
Fourhorn poacher more commonly reach a TL of . The maximum recorded weight is , and the maximum recorded age is 7 years. The fourhorn poacher is preyed on by "Hippoglossus stenolepis". Its own diet consists of crustaceans including shrimp, crabs, isopods, amphipods, and ostracods, as well as bony fish, gastropods, and polychaetes. Fourhorn poacher The fourhorn poacher ("Hypsagonus quadricornis", also known as the four-horned sea-poacher) is a fish in the family Agonidae (poachers). It was described by Achille Valenciennes in 1829, originally under the genus "Aspidophorus". It is a marine, temperate water-dwelling fish which is known from the northern Pacific Ocean,