tomcod


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tomcod:

see codcod,
member of the large family Gadidae, comprising commercially important food fishes. The family, whose members are found in the N Atlantic and Pacific, includes the tomcods, the haddock, and the pollacks (or pollocks).
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nawaga) collected in the Barents Sea in 2013, Pacific tomcod (Microgadus proximus) collected in Puget Sound in 1997-1999 and in Prince William Sound in 2012, Pacific cod (Gadus macrocephalus) collected in Puget Sound and Unimak Pass in 2013, walleye pollock (G.
2013 in Esker Creek and Grand Wash River, and 2012 salmon run data, coho salmon, Pacific tomcod, snake prickleback, northern rock sole, crangon shrimp, pink shrimp, mysids, and dungeness crab were identified as potential prey species for Yakutat beluga.
This allows the tomcod to survive, "but they still accumulate PCBs in their bodies and pass them on to whatever eats them," Hahn said.
Of the total of 21 extensively coastal species, 12 forms (i.e., the shortnose sturgeon, Atlantic sturgeon, American eel, blueback herring, hickory shad, alewife, American shad, rainbow smelt, Atlantic tomcod, white perch, striped bass; and white catfish, Figure 43) are or have been commercially and/or recreationally important, primarily as food for humans.
Number Species number length length of (mm) (mm) years English Sole 10,427 11 470 20 (Parophrys vetulus) Spotted Ratfish 4067 80 550 20 (Hydrolagus colliei) Blackbelly Eelpout 3398 33 997 20 (Lycodes pacificus) Pacific Tomcod 2677 16 480 20 (Microgadus proximus) Slender Sole 2242 20 340 20 (Lyopsetta exilis) Flathead Sole 1665 60 342 20 (Hippoglossoideselassodon) Shiner Perch 1139 10 * 16 (Cymatogaster aggregata) Pacific Hake 958 69 565 19 (Merluccius productus) Speckled Sanddab 853 55 340 19 (Citharichthys stigmaeus) Rock soles (Lepidopsetta 773 74 415 20 bilineata and L.
Life history characteristics of Atlantic tomcod. Atlantic tomcod, Microgadus tomcod, is a common anadromous species in many estuaries along the Atlantic Coast of North America from the Hudson River to Labrador, Canada (Bigelow and Schroeder 1953).
Examples include mummichog (91% of the total 1987 catch), white perch (1.4%), Atlantic silverside (2.6%), gizzard shad (0.2%), striped killifish (0.2%), striped bass (0.1%), and Atlantic tomcod (0.6% during 1987, none collected during the current study).
Primarily marine species (northern anchovy, whitebait smelt, Pacific sardine, lingcod [Ophiodon elongatus], and Pacific tomcod [Microgadus proximus]) were caught less consistently in the estuary, likely a reflection of seasonal patterns of estuarine use, offshore abundances, and whether conditions in the Columbia River estuary were favorable for occupation (Bottom and Jones, 1990).
There were many species of fish that were unique to SAG including the American eel (Anguilla rostrata), oyster toadfish (Opsanus tau), rock gunnel (Pholis gunnellus), and Atlantic tomcod (Microgadus tomcod).
"Atlantic tomcod from the Hudson have 100-fold higher levels of PCBs than fish caught in cleaner rivers," he says.
ABSTRACT: The effects of a large, municipal pier on the growth of young-of the-year (TOY) Atlantic tomcod (Microgadus tomcod) was investigated in two 10-d experiments conducted in the Hudson River estuary.