There are also important fisheries for cod, caplin, halibut, red fish (Sebastes) and nepisak (Cyclopterus lumpus); a shark (Somniosus microcephalus) is taken for the oil from its liver; and sea-trout are found in the streams and small lakes of the south.
C, Epibdella hippoglossi (from Halibut); ms, the two adoral suckers with the mouth (m) between them; ps, ventral sucker; ov, ovary, to testes.
Though cod is much the most important fish (in 1905 fresh cod were valued at $991,679, and salted cod at $696,928), haddock (fresh, $1,051,910; salted, $17,194), mackerel (value in 1905, including horse mackerel, $970,876), herring (fresh, $266,699; salted, $114,997), pollock ($267,927), hake ($258,438), halibut ($218,232), and many other varieties are taken in great quantities.
The city is especially important as a salmon fishing and packing centre (cod, halibut and smaller fish also being abundant); it has also an extensive lumber trade, important lumber manufactories, pressed brick and terra-cotta factories, and dairy interests.
The principal fisheries are those on the Atlantic coast, carried on by the inhabitants of Nova Scotia, New Brunswick, Prince Edward Island, and the eastern section of Quebec. Cod, herring, mackerel and lobsters are the fish chiefly caught, though halibut, salmon, anchovies and so-called sardines are also exported.
In British Columbian waters the main catch is of salmon, in addition to which are halibut, oolachan, herring, sturgeon, cod and shellfish.
Agriculture: Industries Middelharnis, Pernis and Zwartewaal are the centres of this branch of fishery, which yields halibut, cod, ling and haddock.
The wonderfully productive halibut fisheries of Hecate Strait, which separates these islands from the mainland and its adjacent islands, have attracted the attention of fishing companies, and great quantities of this fish are taken regularly and shipped across the continent in cold storage.
The take of halibut is increasing steadily.
In the inland waters salmon, trout, togue (Salvelinus namaycush), pickerel and bass abound; along the shore there are lobsters, clams and scallops (Pecten irradians); and off the shore are herring, alewives, mackerel, cod, halibut, haddock, smelts, hake, menhaden, porgies and porpoises.
Maine markets more clams than any other state in the Union, and the catches of cod, hake, haddock, smelt, mackerel, swordfish, shad, pollock, cusk, salmon, alewives, eels and halibut are of importance.
Some catfish, shad, smelt, halibut, herring, perch, sturgeon, flounders, oysters, clams, crabs and crawfish are also obtained from Oregon waters.