Darters
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Darter are small, elongated, highly coloured members of the perch family (Percidae) which range throughout the USA and into Canada. Some Darters are widespread while others are endemic to small ranges. There are over 80 species comprising of 3 genera: Crytallaria, Etheostoma & Percina

Etheostoma blennioides
Synonym: Etheostoma blennioides blennioides
Common Name: Greenside Darter
Family:  Percidae
Continent:  Canada & USA 
Distribution:  widespread
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:  4-20°C
FBAS Size:  105mm
FBAS Class:  W
Additional Information: Lays sticky eggs on substrate. This species needs cool, well oxygenated water thrive.

Etheostoma caerulum
Common Name: Rainbow Darter
Family:  Percidae
Continent:  Canada & USA 
Distribution:  widespread
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:  4-20°C
FBAS Size:  60mm
FBAS Class:  W
Additional Information:  Egg burier. This species needs cool, well oxygenated water thrive.

Etheostoma fragi
Synonym: Etheostoma spectabile fragi
Common Name: Orangethroat Darter
Family:  Percidae
Continent:  USA 
Distribution:  Arkansas
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:  4-20°C
FBAS Size:  60mm
FBAS Class:  W
Additional Information:  This species needs cool, well oxygenated water thrive.

Etheostoma nigrum
Synonym: Etheostoma nigrum nigrum
Common Name: Johnny Darter
Family:  Percidae
Continent:  Canada & USA 
Distribution:   widespread
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:   4-20°C
FBAS Size:  65mm
FBAS Class:  W
Additional Information:  Eggs are laid under stones and guarded by the males. This species needs cool, well oxygenated water thrive.

Etheostoma  rupestre
Common Name: Rock Darter
Family:  Percidae
Continent:  USA 
Distribution:  Alabama & Georgia 
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:   4-20°C
Size:  85mm in wild
FBAS Class:  W
Additional Information:  This species needs cool, well oxygenated water thrive.

Percina caprodes
Synonym: Sciaena caprodes
Common Name: Log Perch, Manitou Darter, Zebra Fish
Family:  Percidae
Continent:  Canada & USA 
Distribution:  widespread
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:   4-20°C
Size:  120mm in wild
FBAS Class:  W
Additional Information:  Eggs buried in gravel substrate. This species needs cool, well oxygenated water thrive.

Percina crassa
Synonym: Alvordius crassus
Common Name: Piedmont Darter
Family:  Percidae
Continent:  USA 
Distribution:  Carolina & Virginia
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:   4-20°C
Size:  90mm in wild
FBAS Class:  W
Additional Information:  This species needs cool, well oxygenated water thrive.

Percina maculata
Synonym: Alvordius maculatus
Common Name: Blackside Darter 
Family:  Percidae
Continent:  Canada & USA 
Distribution:  widespread
Habitat:  lives in rocky, fast flowing streams.
Food:  small invertebrates.
Water Temperature:   4-20°C
FBAS Size:  75mm
FBAS Class:  W
Additional Information:  Eggs buried in substrate. This species needs cool, well oxygenated water thrive.