280 MARKKTABLE BRITISH MARINE FISHES 



I. Species with three dorsal fins and two ventral, body not 

 much elongated. 



1. The Cod. — Grows to a large size: the upper jaw is the 

 larger, its outer row of teeth enlarged, and there is a 

 barbel on the chin. Colour, greenish yellow or olive, with 

 numerous small dark spots ; lateral line white. 



2. The Haddock. — Smaller, but similar, distinguished by 

 the absence of small spots, by a black blotch on the 

 shoulder, and a black lateral line. Barbel small. 



3. The Bib, Pout, or Whiting Pout. — Smaller, very deep 

 in the body, copper-coloured with broad upright dark 

 bands. Barbel present. 



4. The Poor-cod. — Smaller, not so deep in the body, vent 

 further back : brownish yellow on the back, without bands. 

 Barbel present. 



5. The Whiting. — No barbel. Sides silvery, a dark spot at 

 the root of the pectoral fin. 



6. The Coal-fish. — Differs from the preceding in having the 

 lower jaw longer than the upper : teeth in the upper jaw 

 of equal size. A small barbel. Colour dark slate-blue, 

 almost black on the back and sides ; lateral line white. 



7. The Pollack. — Like the preceding, but has no barbel, 

 and the lower jaw longer. Colour, a dull green. 



8. The Poutassou. — Outer row of teeth in both jaws en- 

 larged, second dorsal fin short ; body narrow, silvery ; 

 lower jaw slightly longer than the upper. 



II. Species with two dorsal fins, the hinder long, the front 

 one short : one ventral fin. 



9. The Ling. — A barbel on the chin. Body elongated, 

 scales minute, fins narrow, very flexible. 



10. The Hake. — No barbel, scales larger, fins broader and 

 stiffer ; teeth larger. 



11. The Fork-beard. — A barbel on the chin. Pelvic fin 

 forms a long forked filament extending behind the vent. 



12. The Burbot. — Closely resembles the ling, but the body 

 is broader behind the head, and the scales are larger. 

 The fish is much smaller, 



13. The Lesser Fork-beard or Tadpole fish. — First dorsal 

 fin very small, rudimentary. Head flattened and fleshy. 



