Traceable Species

Shortraker Rockfish


Black-throated Rockfish, Rock Cod, Thornyhead, Pacific Ocean perch, Hireguromenuke (sushi)

Shortraker Rockfish

Shortraker rockfish are among the longest-lived marine species on Earth, having been recorded as old as 157 years. The largest of all Sebastes rockfish, Shortraker can be difficult to distinguish from several other species, especially its close cousin, the Rougheye rockfish. Indeed, there are more than 70 rockfish species in the eastern Pacific. The Shortraker gets its name from its most distinguishing feature: knob-tipped stubby gill rakers, which are used for filter feeding tiny prey.

When viewed underwater, Shortrakers appear white with pinkish-orange to red blotches. Out of water, they take on a pink to orange-pink colour with reddish fins typically edged in black (like its Rougheye cousin). This deepwater species ranges from northern Japan and the Bering Sea down the North American coast to southern California. Often marketed as “Pacific Ocean perch,” their fillets are bright white with a delicate flavour.

Shortraker Rockfish

Shortraker rockfish are not only the largest of the Sebastes, they are also one of the longest lived. Adults are believed to reach maturity at somewhere between nine and 12 years of age. Once mature, mating occurs in the fall with females generally spawning between March and July of the following year. Live larvae are released at depths of between 1,000 to 1,600 feet (300 to 500 m). As they mature, Shortrakers move deeper and deeper into the ocean: older shortrakers are found in deeper water than younger ones. They tend to live alone or in small groups in rocky areas along the continental slope, near boulder fields and on silted or cobbled bottoms, at depths of up to 4,000 feet (1,200 m). They can grow to over a metre in length and upwards of 51 lbs. (23 kg).

Food Info Shortraker Rockfish


TASTING NOTES

  • Colour: Glistening bright white with a pinkish sheen. 
  • Texture: Very lean fillets with medium to firm texture and medium-sized flakes.
  • Flavour: Very mild, slightly sweet flavour.
  • Perfect serve: Since rockfish tends to flake easily, grilling is not the ideal preparation method. Take advantage of its sweet, delicate flavour by steaming it whole Asian-style and serving with sesame-soy stir-fried greens; or crispy-fry the whole fish in olive oil to make the most of its firm texture.
HOW TO CHOOSE A QUALITY SHORTRAKER ROCKFISH
Species Range
Shortraker Rockfish range Source: Fishbase.org
COMMON NAMES
Black-throated Rockfish
Rock Cod
Thornyhead
Pacific Ocean perch
Hireguromenuke (sushi)
These crabs mate at the time of maturity, which is approximately 3 years of age. Females are smaller than males; this is because the development of reproductive tissues required more energy for females, leaving less energy available for continued body growth. They grow through a process known as molting—regularly shedding their shell and growing a new, larger one. They continue to molt and grow after they have reached sexual maturity. During the breeding season, the crabs leave their borrows in a phenomenon characterized by mass mate-searching events. Once mating/fertilization has occurred, females spawns in the water. The larvae released during the rainy season develop in offshore waters and return to coastal waters five to eight weeks after larval release.
Mangrove crabs are important fishery resources in all Brazilian coast, mainly in the north and northeast where many fishermen depend upon their catch. In addition to its social and economic importance, the mangrove crab is a “keystone” species in ecosystem, they playing an important role in the processes of nutrient cycling and energy transfer.

Fishing Methods

{'fisheries': [<License: Californian Groundfish by Bottom Trawl>], 'gear': <Gear: Bottom Trawl>}

Bottom Trawl

This fishery uses a large cone-shaped net that is dragged along the seafloor to catch fish. As the net is towed at low speed, hydrodynamic forces push two "otter boards" outwards opening the mouth of the net and capturing fish in its path.

FISHERIES:

Featured Harvester Bernie Berry

Mangrove Crab Harvester

Canavieiras, Brazil

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