fish guide carp - nps.gov · asian carp identification = invasive fish a field guide to fish...

• Broad, blunt head with slight downturned mouth, no barbels • No keel • Pointed dorsal fin with 7–8 soft rays • Dark-edged scales, give a cross-hatched effect, 39-46 in lateral line Mylopharyngodon piceus Length: Up to 48 in. (122 cm) Coloring: Blackish-brown to dark olive body; blackish-gray fins; white belly Black Carp • Two barbels on each side of the upper jaw • No keel • Single serrated spine on long dorsal fin with more than 16 soft rays • Large scales, 32–41 in lateral line Cyprinus carpio Length: Up to 48 in. (122 cm) Coloring: Bronze to golden-yellow body; yellowish-white belly Common Carp • Bro Grass Carp ad, blunt head with slight downturned mouth, no barbels • No keel • Pointed dorsal fin with 8–10 soft rays • Scales are silver to gray with a prominent dark edge, giving a cross- hatched effect, 34–45 in lateral line Ctenopharyngodon idella Length: Up to 49 in. (125 cm) Coloring: Body has dark olive shading with brownish-yellow sides; white belly • Large scaleless head with upturned mouth, no barbels • Eyes forward, below midline and project downward • Scaleless keel extends only from anal fin to pelvic fin • Single dorsal spine is moderately stiff but not serrated, followed by 8 soft rays • Very tiny scales (trout- like), 91–120 in lateral line • Long and comb-like gill rakers Aristichthys nobilis Length: Up to 44 in. (112 cm) Coloring: Body is dark gray dorsally to silver white on sides. Many dark irregularly shaped blotches are scattered over body Bighead Carp Hypophthalmichthys molitrix Length: Up to 41 in. (104 cm) Coloring: Body is olive green dorsally; silver but sometimes bronze to red sides • Scaleless head with large upturned mouth, no barbels • Eyes forward, below midline and project downward • Scaleless keel extends all the way from anal fin to base of gills • Dorsal spine moderately stiff but not serrated, followed by 8 soft rays • Very tiny scales (trout- like), 91–124 in lateral line • Gill rakers appear spongy Silver Carp = Invasive Fish Asian Carp Identification A Field Guide to Fish Invaders of the Great Lakes Region: Non-Native Fish and Native Look-a-Likes Page 10 and 11 from Jesse Anderson, Doug Jensen, Jeff Gunderson, and Marie Zhuikov. 2008. A Field Guide to Fish Invaders of the Great Lakes Region. University of Minnesota Sea Grant Program, Duluth, MN, USA. Full document: http://files.dnr.state.mn.us/eco/invasives/fish_guide_final.pdf

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Page 1: fish guide carp - nps.gov · Asian Carp Identification = Invasive Fish A Field Guide to Fish Invaders of the Great Lakes Region: Non-Native Fish and Native Look-a-Likes Page 10 and

• Broad, blunt head withslight downturnedmouth, no barbels

• No keel

• Pointed dorsal fin with7–8 soft rays

• Dark-edged scales, givea cross-hatched effect,39-46 in lateral line

Mylopharyngodon piceus

Length: Up to 48 in. (122 cm)Coloring: Blackish-brown to dark olive body;

blackish-gray fins; white belly

Black Carp

• Two barbels on eachside of the upper jaw

• No keel

• Single serrated spineon long dorsal finwith more than 16soft rays

• Large scales, 32–41 inlateral line

Cyprinus carpio

Length: Up to 48 in. (122 cm)Coloring: Bronze to golden-yellow body;

yellowish-white belly

Common Carp

• Bro

Grass Carpad, blunt head with

slight downturnedmouth, no barbels

• No keel

• Pointed dorsal fin with8–10 soft rays

• Scales are silver to graywith a prominent darkedge, giving a cross-hatched effect, 34–45 inlateral line

Ctenopharyngodon idella

Length: Up to 49 in. (125 cm)Coloring: Body has dark olive shading with

brownish-yellow sides; white belly

• Large scaleless headwith upturned mouth,no barbels

• Eyes forward, belowmidline and projectdownward

• Scaleless keel extendsonly from anal fin topelvic fin

• Single dorsal spine ismoderately stiff but notserrated, followed by 8soft rays

• Very tiny scales (trout-like), 91–120 in lateral line

• Long and comb-like gillrakers

Aristichthys nobilis

Length: Up to 44 in. (112 cm)Coloring: Body is dark gray dorsally to silver white

on sides. Many dark irregularly shapedblotches are scattered over body

Bighead Carp

Hypophthalmichthys molitrix

Length: Up to 41 in. (104 cm)Coloring: Body is olive green dorsally; silver but

sometimes bronze to red sides

• Scaleless head with largeupturned mouth, nobarbels

• Eyes forward, belowmidline and projectdownward

• Scaleless keel extends allthe way from anal fin tobase of gills

• Dorsal spine moderatelystiff but not serrated,followed by 8 soft rays

• Very tiny scales (trout-like), 91–124 in lateral line

• Gill rakers appearspongy

Silver Carp

= Invasive FishAsian Carp IdentificationA Field Guide to Fish Invaders of the Great Lakes Region: Non-Native Fish and Native Look-a-Likes

Page 10 and 11 from Jesse Anderson, Doug Jensen, Jeff Gunderson, and Marie Zhuikov. 2008. A Field Guide to Fish Invaders of the Great Lakes Region. University of Minnesota Sea Grant Program, Duluth, MN, USA.Full document: http://files.dnr.state.mn.us/eco/invasives/fish_guide_final.pdf

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