Girish Mahajan (Editor)


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Kingdom  Animalia
Family  Hexagrammidae
Scientific name  Ophiodon elongatus
Higher classification  Ophiodon
Order  Scorpaeniformes
Superclass  Osteichthyes
Genus  Ophiodon Girard, 1854
Phylum  Chordata
Rank  Species
Subclass  Neopterygii
Lingcod wwwcrackerjackcharterscomwpcontentgalleryala
Similar  Rockfish, Cabezon, Kelp greenling, Yelloweye rockfish, Sablefish

Alaska yellow eye lingcod fishing

The lingcod or ling cod (Ophiodon elongatus), also known as the buffalo cod or cultus cod, is a fish of the greenling family Hexagrammidae. It is the only extant member of the genus Ophiodon. A slightly larger, extinct species, Ophiodon ozymandias, is known from fossils from the Late Miocene of Southern California.


Lingcod Lingcod Fish Washington Washington Department of Fish amp Wildlife

Ophiodon elongatus is native to the North American west coast from Shumagin Islands in the Gulf of Alaska to Baja California, Mexico. It has been observed up to a size of 152 centimetres (60 in) and a weight of 59 kilograms (130 lb). It is spotted in various shades of grey. The lingcod is a popular eating fish, and is thus prized by anglers. Though not closely related to either ling or cod, the name "lingcod" originated because it somewhat resembles those fish. Around 20% of lingcods have blue-green to turquoise flesh.p.298 The colour is destroyed by cooking. The colour may be due to biliverdin, but this has not been established beyond doubt.

Lingcod CNLingcod5601jpg

Spearfishing giant lingcod

Distribution and lifecycle

Lingcod Ling Cod Fishing the Channel Islands

Lingcod are endemic to the west coast of North America, with the center of abundance off the coast of British Columbia. They are found on the bottom, with most individuals occupying rocky areas at depths of 10 to 100 m (32 to 328 ft). Tagging studies have shown lingcod are a largely nonmigratory species, with colonization and recruitment occurring in localized areas only.

Lingcod Catch California Lingcod with Supersized Lures Salt Water Sportsman

Starting in October, lingcod migrate to nearshore spawning grounds. The males migrate first, and establish nest sites in strong current areas in rock crevices or on ledges. Spawning takes place between December and March, and females leave the nest site immediately after depositing eggs. Males actively defend the nest from predators until the eggs hatch in early March through late April.

Lingcod Bottomfish Identification Guide Lingcod Ophiodon elongatus

The larvae are pelagic until late May or early June, when they settle to the bottom as juveniles. Initially they inhabit eelgrass beds, then move to flat, sandy areas that are not the typical habitat of older lingcod. They eventually settle in habitats of similar relief and substrate as older lingcod, but remain at shallower depths for several years.

Lingcod Rock Cod and Ling Cod Fishing Tips Scalz Fishing

Females and males mature at age three to five years (61–75 centimetres (24–30 in)) and two years of age (45 centimetres (18 in)), respectively. An adult male can be distinguished externally from a female by the presence of a small, conical papilla behind the anal vent. Up to age two, males and females grow at similar rates, with both reaching an average length of 45 centimetres (18 in). After age two, females grow faster than males, with the growth of males tapering off at about age eight, and females continuing to grow until about age 12 to 14. Lingcod live a maximum of about 14 years for males and 20 years for females, reaching a maximum size around 90 centimetres (35 in) and 120 centimetres (47 in), respectively. Off the coast of Alaska, many reach 70 pounds (32 kg).

Lingcod are voracious predators, feeding on nearly anything they can fit in their mouths , including invertebrates and many species of fish, such as herring (Clupea pallasii), salmon, and Pacific hake (Merluccius productus). One of their favorite foods is smaller octopuses, and they also readily devour large rockfish. Lingcod that survive the larval stages have few predators themselves, and are vulnerable mainly to marine mammals, such as sea lions and harbor seals.

Age determination

In 1977, Dr. Dick Beamish and Doris Chilton of the Pacific Biological Station published an article showing that cross sections of the fourth to eighth fin rays from the second dorsal fin provided a method for estimating the age of lingcod. This method has since been validated by a mark-recapture study in which lingcod received an injection of oxytetracycline. Other methods of aging, such as those using scales and otoliths, were found to underestimate ages for older fish.

Ages are determined from fins in much the same manner as for other aging structures: sections of varying thickness are examined under a microscope, and the annuli, or rings, that are formed for each year of growth are counted and used to estimate the age. The cross sections must be made at right angles to the length of the fin ray, and it is therefore important that fins be dried flat, with the cut surface at right angles to the fin rays. In addition, the distance the section is cut from the fin ray base is important, so all fins should be collected with the bases intact.

One problem associated with using fin rays to age older fish is the center may be resorbed, resulting in the loss of the first two annuli. It is therefore necessary to determine an average width for the first two annuli by examining the fins from juvenile fish. This measurement can then be used to estimate the position of the third annulus on older fish.


Lingcod Wikipedia

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