Monday, May 4, 2009

Unknown Fish I.D.

Cottus bairdi "Mottled Sculpin": seperated dorsal fins, not specifically divided bars on sides, chin spotted like 5 o'clock shadow but not mottled as in carolinae












Percina caprodes "Logperch": large slender darter, tiger stripe pattern on a logperch body









Notoris insignis "Margined Madtom": black margins at edges of caudal, dorsal, and anal; madtom build (small, skinny, adipose runs into caudal fin)





Enneacanthus obesus "Banded Sunfish": rounded pectoral fin with 11 fin rays, black tear drop, enlarged 2nd dorsal and anal, dark opercale spot, 4-6 lateral bars











Luxilis cerasinus "Crescent Shiner":many crescents on side, large shiner with football shaped scales, pointed nose unlike common or white

Sinking Creek Fish

Group: Tyler Y, David B, Pat K , Ross A, Travis J


Northern Hog Sucker (Hypentelium nigricans)-concave between eyes
-dark saddles on back
-larger than Roanoke hog sucker














Rock Bass (Ambloplites rupestris)
-compressed body
-red eye
-dark edge on anal fin

Telescope Shiner (Notropis telescopus)
-large eye
-dark stripe on side
-large terminal mouth










Stoneroller (Campostoma anomalum)
-stocky body
-hard ridge on lower jaw
-inferior mouth















Rosyside Dace (Clinostomus funduloides)
-large upturned mouth
-dark line on side
-red/pink color on side














Crescent Shiner (Luxilus cerasinus)
-several dark crescents on side of body
-terminal mouth
-rounded snout
















Rosefin Shiner (Lythrurus ardens)
-large terminal mouth
-dark spot on anterior base of dorsal
-rosy patterns on tips of fins







Mottled Sculpin (Cottus bairdi)
-large broad head
-light colored chin
-orange band on first dorsal fin
















Blacknose Dace (Rhinichthys atratulus)
-snout overhangs mouth
-dark stripe down side
-speckled back

Unkown Fish I.D.

These are the five fish that were in my jar.

White sucker
Catostomus commersoni
downward turned mouth with bumps on lips
scales get smaller as you go anterior










Redline darter
Etheostoma rufilineatum
checkered pattern on sides
white tip at base of caudal fin










Mottled sculpin
Cottus bairdi
unmottled chin
dorsal fins slightly connected

















Flier
Centrarchus machropterus
black band through eye
Compressed body(more than most other sunfishes)
large fins
black operculum spot







Blacknose dace
Rhinichthys atratulus
black line goes all the way around snout
long snout that overhangs mouth

Craig Creek Fish

Group: Travis, Ryan, Don, Justin, Sean, Tyler, Ross, and Pat

Mountain redbelly dace
Phoxinus oreas
blotched pattern on dorsal side of back
disconnected lateral line











Rosyside dace
Clinostomus funduloides
large terminal mouth
reddish behind gills









White sucker
Catostomus commersoni
large to small scales as going anterior
downward turned mouth with bumps on it













Rosyface shiner
Notropis rubellus
large eye
stitched lateral line
silvery operculum













Blacknose dace
Rhinichthys atratulus
black band going all the way around snout

















Mottled sculpin
Cottus bairdi
unmottled chin
d.f. slightly connected




Fantail darter
Etheostoma flabellare
Fan-like tail







Central stoneroller
Campostoma anomalum
horseshoe mouth that is subterminal
tubercles during breeding

Sunday, May 3, 2009

Unknown Fish Identification



Blacknose dace (Rhinichthys atratulus)
-noticeable dark lateral bar extends to mouth
-small mouth/eye
-small barbels present at corners of mouth





Yellow Bullhead (Ameiurus natalis)

-yellow barbels
-rounded caudal fin













Green Sunfish (Lepomis cyanellus)

-big mouth
-black spots on dorsal and anal fins
-more elongate than other Lepomis











Mottled Sculpin (Cottus bairdi)

-two dorsal fins slightly connected
-mottled pattern on sides
-noticeably clear underside (mouth clean)




Gilt darter (Percina evides)

-dark bands down sides
-slightly stubby nose
-dark eyebar in preserved specimen

















Thursday, April 30, 2009

Sinking Creek Fish

Group: Jon, Jessica, Caitlin, Christian, Vicki, Claire


Telescope Shiner
Notropis telescopes
· Dark stitched lateral line
· Big eye
· Large belly












Rosefin Shiner
Lythrurus ardens
· dark triangular spot at dorsal fin origin













Crescent Shiner
Luxilus cerasinus
· Dark crescents
· Tall scales












Longnose Dace
Rhinichthys cartaractae
· Snout extends far in front of mouth
· Deep caudal peduncle












Mottled Sculpin
Cottus bairdi
· Color only a little lighter than bands
· Orange marking on dorsum











Stoneroller
Campostoma anomalum
· Large tubercles on head
· Horseshoe shaped mouth












Rosyside Dace
Clinostomus funduloides
· Mismatched scales
· Red markings












Blacknose dace
Rhinichthys atratulus
· Black stripe continues to snout












Fantail darter
Etheostoma flabellare
· Caudal fin “fan” shaped