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See also:PERCH (through Fr. from See also:Lat. perca, Gr. 7rEpKo; the last word is connected with 2repev6r, dark-coloured, spotted)
, a fresh-See also:water See also:fish (Perca fluviatilis), generally distributed over See also:Europe, See also:northern See also:Asia and See also:North See also:America, and so well known as to have been selected for the type of an entire See also:family of spiny-rayed fishes, the Percidae, which is represented in See also:European fresh-See also:waters by several other fishes such as the See also:pope (Acerina cernua) and the See also:pike-See also:perch (Lucioperca)
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It inhabits See also:rivers as well as lakes, but thrives best in waters with a See also:depth of not less than 3 ft.; in large deep lakes it frequently descends to depths of 30 fathoms arid more
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It occurs in Scandinavia as far north as the 69th parallel, but does not extend to See also:Iceland or any of the islands north of Europe
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In the See also:Alps it ascends to an See also:altitude of 4000 ft
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The shape of its See also:body is well proportioned, but many See also:variations occur, some specimens being singularly high-backed, others See also:low and See also:long-bodied; sometimes such variations are See also:local, and See also:Agassiz and other naturalists at one See also:time thought it possible to distinguish two See also:species of the See also:common perch of Europe; there are not even sufficient grounds, however, for separating specifically the North-See also:American See also:form, which in the See also:majority of ichthyological See also:works is described as Perca fiavescens
.
The brilliant and striking See also:colours of the perch render it easily recognizable even at a distance
.
A See also:rich greenish-See also: Perch are See also:good, wholesome See also:food, and highly esteemed in inland countries where marine fish can be obtained only with difficulty . The nearly allied pike-perch is one of the best European food-fishes . The perch is exceedingly prolific; it begins to spawn when three years old, in See also:April or in the first See also:half of May, depositing the ova, which are See also:united by a viscid See also:matter in lengthened or See also:net-shaped bands, on water See also:plants . |
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