| PHYLUM:
Chordata; CLASS: Osteichthyes; SUPERORDER: Teleostei
FAMILY: Cyprinidae
GENUS: Notropis SPECIES: atherinoides DESCRIBER:
Rafinesque
Position
of Notropis
atherinoides in
worldwide arrangement of fish species.
What
are EMERALD
SHINERS?
Emerald
Shiners are slender, elongate 50 to 75 mm (2 to 3 in)
in length, laterally compressed, minnow-like fishes of
the family Cyprinidae. Their heads are generally triangular
with an overall silvery coloration; blue-green or green
iridescence on the back; silvery coloration on sides;
and silvery white on their bellies. They are limnetic
or open water fish, living in large lakes and rivers
from British Columbia eastward to Québec. Emerald
Shiners eat daphnids, copepods, leptodorans, planktonic
algae and midge larvae.
EARLY
LIFE HISTORY of EMERALD
SHINERS:
Spawning Season of Adult EMERALD SHINER:
Early spring to summer, early April to mid-August.
Where EMERALD SHINER Eggs are Found: Eggs are randomly
broadcast over open sand and mud areas usually swept free
of bits of aquatic plants and other debris.
Characteristics
of Eggs: Perhaps semi-boyant, yolk colorless, yolk
diameter 0.8 mm to 1.0 mm, perivitiline space large, diameter
of eggs 3.0 mm to 3.3 mm.
Size
of Babies at Hatching: ca.
4 mm at 24 to 36 hours of incubation.
Movements of EMERALD SHINER Babies after hatching: Baby
emerald shiners hatch on sand and mud areas in shallow
areas and swim out and around in lakes in open limnetic
areas in large numbers, probably in schools.
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