Collins Guide to the Sea Fishes of Britain and North-Western EuropeCollins, 1974 - 244 pagine |
Sommario
Portrait of a fish | 5 |
Biology of fishes 11 | 11 |
Identification keys | 20 |
Copyright | |
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Parole e frasi comuni
1st dorsal fin anal fin Atlantic Baltic barbel Barents Sea become sexually mature body bony fishes bottom-living fishes bottoms in depths capelin caudal fin caught Characteristics cm b larva cm long coast coastal waters crustaceans Distinctive features dorsal fin drift nets economic importance eels eggs diameter eyes feed mainly Feeds on small female lays fillets fish meal fisheries flatfishes fresh fish front gill cover goby Greenland hatch hook Iceland larvae lateral line liver Lives in depths long line mackerel male marketed Maximum length Mediterranean migrations molluscs mouth move nets North Sea Norway pectoral fins pelagic pelagic eggs pipefish plaice plankton prawns principal fishing methods principal food reach a length salmon salted sand-eels scales seaweed shallow water sharks shoaling fishes skin small crustaceans small fishes smoked snout Spawning takes place species spines spiny rays sprats swim swimbladder temperature tons trawl tunny utilisation ventral fins winter worms young fish