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CHAP. xx.J FISHES. 425
Family 3.—PERCID^. (61 Genera, 476 Species.)
" Marine or fresh-water carnivorous fishes, with oblong bodies
covered with toothed scales."
Distribution.—Seas, rivers and lakes, of all regions.
The seuera which inhabit fresh-waters are the following :
Perca (3 sp.), inhabits the Nearctic and Palsearctic regions as
far south as Ohio and Switzerland ; one species, the common
perch, is British. Pcrcichthys (5 sp.), Chili and Patagonia, with
one species in Java; Paralabrax (2 sp.), California; Labrax
(8 sp.), six species are marine, inhabiting the shores of Europe
and North America, one being British, two species inhabit the
rivers of the northern United States ; Lates (2 sp.), Nile and
large rivers of India and China ; Acerina (3 sp.), Europe, from
England to Eussia and Siberia ;
—
Percarina (1 sp.). River Dniester
Lucioperca (6 sp.). North America and Europe ; Pihoma (2 sp.),
Boleosoma (3 sp.), Texas to
North America, Texas to Lake Erie ;
Lake Superior ; Aspro (2 sp.), Central Europe Huro ; (1 sp.), Lake
Huron ; Percilia, (1 sp.), Rio de Maypu in Chili ; Centrarchus (10
sp.), North America and Cuba ; Bryttus (8 sp.). South Carolina
to Texas ; Pomotis (8 sp.). North America, Lake Erie to Texas.
Of the exclusively marine genera a species of Polyprion
and one of Serranics are British. The latter genus has nearly
150 species spread over the globe, but is most abundant in the
Tropics. Mesoprion is another extensive genus confined to the
Tropics. Apocjon abounds from the Red Sea to the Pacific, but
has one species in the Mediterranean and one in the coast of
Brazil.
Family 4—APHREDODERID^. (1 Genus, 1 Species.)
"Fresh-water fish, with oblong body covered with toothed
scales, and wide cleft mouth."
Distribution.—Atlantic States of North America.
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