Dorsal Fin
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Transcript of Dorsal Fin
![Page 1: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/1.jpg)
Dorsal Fin Caudal Fin
Anal Fin
Pelvic Fin
Pectoral Fin
Operculum
![Page 2: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/2.jpg)
Bluegill
![Page 3: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/3.jpg)
• 1/2 as deep as long• under 1” thick• blue color on lower
portion of both the jaw and operculum
• Color is NOT a good way to identify
• Dark round spot on the rear dorsal fin
• 5-9 dark vertical bands running down their sides.
Bluegill
![Page 4: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/4.jpg)
Pumpkinseed
![Page 5: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/5.jpg)
• Lateral facial markings
• Scarlet spot on opercle flap
• 7-8 dark vertical bands• Very similar to
bluegill
• Very colorful, but color is a poor ID indicator.
Pumpkinseed
![Page 6: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/6.jpg)
Red Eared Sunfish
![Page 7: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/7.jpg)
• Produced from a Bluegill and Pumpkinseed crossbreeds.
• Looks very similar to Bluegill or Pumpkinseed, but slight differences.
Red Eared Sunfish
![Page 8: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/8.jpg)
Crappie
![Page 9: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/9.jpg)
• Both Black and White (black = 7-8 dorsal spines, white = 6 dorsal spines.)
• Mottled Markings
• Color is not a good identification indicator
• Very thin, perhaps the thinnest of all sunfish
• 8-10 inches is common
Crappie
![Page 10: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/10.jpg)
Yellow Perch
![Page 11: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/11.jpg)
• Golden Yellow Coloration on their sides. (may vary)• 6-8 dark vertical bands along their sides• have two dorsal fins, membrane between the two is
black• caudal fin is slightly rounded and forked• 3.5 times as long as deep• unlike walleyes, they do not have canines
Yellow Perch
![Page 12: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/12.jpg)
Largemouth Bass
![Page 13: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/13.jpg)
• Upper jaw extends beyond the eye
• Deep notch in dorsal fin
• Caudal fin is forked and rounded
• Golden-brown eye
• Dark, irregular horizontal stripe along lateral line
Largemouth Bass
![Page 14: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/14.jpg)
Smallmouth Bass
![Page 15: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/15.jpg)
Smallmouth Bass• Upper jaw does not extends beyond the
eye
• Slight notch in dorsal fin
• Caudal fin is not forked and not rounded
• Red eye
• Dark, vertical stripe along sides
![Page 16: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/16.jpg)
White Bass
![Page 17: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/17.jpg)
• Brown eye
• Silver color
• many dark, horizontal lines along the sides
White Bass
![Page 18: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/18.jpg)
Rock Bass
![Page 19: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/19.jpg)
• Brown eye
• Brown coloration, with light vertical stripes along the sides
Rock Bass
![Page 20: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/20.jpg)
Walleye
![Page 21: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/21.jpg)
• Canines along the lower jaw
• irregularly-shaped vertical blotches along sides
• Upper half of body has mottled vertical stripes
• Dark blotch on back of anterior dorsal fin, no spots on dorsal fin
• Silvery, opaque marble eyes that glow in the dark
• White tip on lower edge of caudal fin
Walleye
![Page 22: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/22.jpg)
Sauger
![Page 23: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/23.jpg)
• Very similar to a walleye
• spots on the anterior dorsal fin, no black blotch at the back of anterior dorsal
• no white tip on low caudal fin
Sauger
![Page 24: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/24.jpg)
Northern Pike
![Page 25: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/25.jpg)
• Hard-muscled, tube-shaped fish with elongated body and a flat, duckbill snout
• light, bean-shaped markings that run the length of the body in horizontal rows
• Tiger-striped fins
• Rounded caudal, pelvic and pectoral fins
• Scales cover the cheek and upper half of the operculum
• 5-7 pores on each side of lower jaw
Northern Pike
![Page 26: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/26.jpg)
Muskellunge
![Page 27: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/27.jpg)
• Hard-muscled, tube-shaped fish with elongated body and a flat, duckbill snout
• vertical stripes along each side of the fish
• Tiger-striped fins
• Pointed caudal, pelvic and pectoral fins
• No scales on the cheek and upper half of the operculum
• 6-9 pores on each side of lower jaw
Muskellunge
![Page 28: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/28.jpg)
Brook Trout
![Page 29: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/29.jpg)
• Has an elongated and compressed body
• squared-tail
• wormlike markings on back and head
• red spots along the side of their bodies with blue halos.
• Lower fins have a white leading edge, followed by a black border
Brook Trout
![Page 30: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/30.jpg)
Brown Trout
![Page 31: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/31.jpg)
• “X” shaped markings on back and upper half of their body
• squared tail
• numerous small spots on the head
• inside of the mouth is white
• 10-12 anal rays
Brown Trout
![Page 32: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/32.jpg)
Rainbow Trout
![Page 33: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/33.jpg)
• Many small spots on the body
• Distinctive pink horizontal stripe down each side of the body
• squared tail with spots
• 10-12 anal rays
Rainbow Trout
![Page 34: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/34.jpg)
Lake Trout
![Page 35: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/35.jpg)
• Silvery color with irregular wormlike markings on back and dorsal fin
• Light spots in body and tail
• deeply forked tail with spots on edge leading to the body
• 10-11 rays in their anal fin
• inside of mouth is white
Lake Trout
![Page 36: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/36.jpg)
Chinook Salmon
![Page 37: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/37.jpg)
• Some black spots on upper half of body
• grey-black mouth, with teeth set in black gums
• squared tail with spots on both halves
• 15-19 anal rays
Chinook Salmon
![Page 38: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/38.jpg)
Coho Salmon
![Page 39: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/39.jpg)
• Small black spots on backs, sides above the lateral line, base of dorsal fin, and upper half of caudal fin.
• Inside of mouth is grey or black, with teeth set in white gums
• Slightly forked tail
• 12-15 anal rays
Coho Salmon
![Page 40: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/40.jpg)
Sockeye (Red) Salmon
![Page 41: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/41.jpg)
Sockeye (Red) Salmon
• Mouth is white with a white gum line
• Almost toothless
• No spots on tail or back
• Large, bright gold, glassy eye
![Page 42: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/42.jpg)
Chum (Dog) Salmon
![Page 43: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/43.jpg)
Chum (Dog) Salmon
• Mouth is white with a white gum line
• Well developed teeth
• No spots on tail or back
• Calico markings (vertical bars) – faint on bright fish
• Narrow caudal peduncle
• White tip on anal fin
![Page 44: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/44.jpg)
Pink (Humpy) Salmon
![Page 45: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/45.jpg)
Pink (Humpy) Salmon
• Mouth is white with a black gum line.
• In marine areas, almost no teeth
• Large oval spots on both lobes of tail
• Large black spots on back
• Pointed lower jaw
• No silver on tail
• Very small scales
![Page 46: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/46.jpg)
Lake Sturgeon
![Page 47: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/47.jpg)
• Torpedo-shaped body, turned up tail
• Resembles a shark
• Five rows of shell-shaped plates along back
• notochord instead of backbone
• Mouth is on underside of body with barbels
Lake Sturgeon
![Page 48: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/48.jpg)
Channel Catfish
![Page 49: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/49.jpg)
• Scaleless, tough skin
• 8 barbels
• Three sharp spines, (1 dorsal, 2 pectoral)
• Black spots on lower side of body
• Deeply forked caudal fin
Channel Catfish
![Page 50: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/50.jpg)
Flathead Catfish
![Page 51: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/51.jpg)
• Scaleless, tough skin
• 8 barbels
• Three sharp spines, (1 dorsal, 2 pectoral)
• No spots on lower side of body
• squared caudal fin
• flattened head
• lower lip protrudes past upper lip
Flathead Catfish
![Page 52: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/52.jpg)
Yellow Bullhead
![Page 53: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/53.jpg)
• Black, Brown or Yellow species
• Scaleless, tough skin
• 6 barbels
• Sharp spines (1 dorsal, 2 pectoral)
• Caudal fin is slightly notched and squared
Yellow Bullhead
![Page 54: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/54.jpg)
Carp
![Page 55: Dorsal Fin](https://reader036.fdocuments.us/reader036/viewer/2022081519/56813507550346895d9c5415/html5/thumbnails/55.jpg)
• Rough fish
• Very scaly
• Barbels
• Much like a sucker
Carp