| PHYLUM:
Chordata; CLASS: Osteichthyes; SUPERORDER: Teleostei
FAMILY: Percidae; SUB-FAMILY:
Etheostomatinae
GENUS: Percina SPECIES:
caprodes DESCRIBER: (Rafinesque)
Position
of Percina
caprodes in worldwide
arrangement of fish species.
What
are LOGPERCH?
Logperch are small,
elongate, 7-10 cm (3-4 in) in length, laterally compressed,
minnow-like fish of the family Percidae,
sub-family Etheostomatinae.
Their heads are conical and pointed; body coloration
is yellowish green with dark olive or black markings;
8-10 saddle-shaped marks occur on their sides separated
by yellowish patches. They are found in sandy areas
in lakes and rivers from Saskatchewan eastward to western
Québec. Logperch eat midge larvae, sideswimmers
(amphipods), sow bugs (isopods), and insect larvae
and nymphs.
EARLY
LIFE HISTORY of LOGPERCH:
Spawning Season of Adult LOGPERCH: Late
spring, early summer, late April to early July.
Where LOGPERCH Eggs are Found: Adult LOGPERCH
move into shallow sandy and mud shoals, 10 cm to 200
cm deep. They gather in schools and aggregations and
randomly sew eggs on the shoals while vibrating
and trying to bury them in the sandy substrate.
Characteristics
of Eggs: Demersal, adhesive, transparent or amber,
yolk globule diameter 0.77 mm, single oil globule with
diameter of ca. 0.43 mm or numerous small oil globules.
Diameter of eggs 1.09 mm to 1.15 mm.
Size
of Babies at Hatching: ca.
4.5 mm at 5 days to 8 days of incubation.
Movements of LOGPERCH Babies after hatching: Baby
LOGPERCH hatch from eggs in shallow sandy and mud
shoals and swim around in lakes in both shallow and
deep water in small numbers, not in schools.
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