WHY FISH ARE SLIPPERY
The .slipperiness of fish is due to a kind of mucus exuded through the scales. It is of importance in protecting the fish from fungus—a skin disease to which they are liable. If a fish is so injured that a spot becomes uncovered by the protective mucus, a barely visible fungus will probably lodge there; and thereafter it spreads very rapidly, finally extending over the gills and killing the fish. Another use of the mucus is to diminish friction when the fish is in motion through the water, and so increase its speed.
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Bibliographic details
Star (Christchurch), Volume XLIV, Issue 301, 19 December 1931, Page 29 (Supplement)
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97WHY FISH ARE SLIPPERY Star (Christchurch), Volume XLIV, Issue 301, 19 December 1931, Page 29 (Supplement)
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