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Wildlife and Recreation Management Mr. Lemmons

Freshwater Fish. Wildlife and Recreation Management Mr. Lemmons. IDENTIFYING FISH. Shape and number of spines Number of type of scales Teeth Eye diameter Internal anatomy Location of specific body parts. Why do fish change color?. STRESS!! 1. Being hooked 2. Being removed from water

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Wildlife and Recreation Management Mr. Lemmons

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  1. Freshwater Fish Wildlife and Recreation ManagementMr. Lemmons

  2. IDENTIFYING FISH • Shape and number of spines • Number of type of scales • Teeth • Eye diameter • Internal anatomy • Location of specific body parts.

  3. Why do fish change color? STRESS!! 1. Being hooked 2. Being removed from water 3. Environmental changes 4. Spawning

  4. Caudal Fin Dorsal Fin Operculum Pectoral Fin Anal Fin Pelvic Fin

  5. Bluegill

  6. 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. Aka: Bream, Brim, Perch, Sunfish, Sunperch Average size 4 - 6 oz State Record 2.02 Lampasas River Bluegill

  7. Red Eared Sunfish

  8. Produced from a Bluegill and Pumpkinseed crossbreeds. Red Eared Sunfish

  9. Crappie

  10. Both Black and White (black = 7-8 dorsal spines, white = 6 dorsal spines.) Very thin, perhaps the thinnest of all sunfish 8-10 inches is common WHITE CRAPPIE: Nest Builders Average 3/4 to 1 1/2 lbs. Crappie

  11. WHITE CRAPPIE CONT. • State Record 4.56 lbs. Navarro Mills Lake • Vertical Bars on the side • BLACK CRAPPIE • North and East Texas • Irregular Dark side blotches • Average size 3/4 - 1 1/4 lbs. • State Record 3.92 lbs- Lake Fork

  12. Yellow Perch

  13. 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 Yellow Perch

  14. Largemouth Bass

  15. Largemouth Bass • Upper jaw extends beyond the eye • Deep notch in dorsal fin • Caudal fin is forked and rounded • Brown and gold eyes • Dark, irregular horizontal stripe along lateral line • Dorsal Fin almost divided • 12-13 Rays in Soft Dorsal Fin (rear section) • aka: Black bass, green trout, bigmouth bass, lineside bass • 2-6 lbs average • State Record 18.18 lbs. - Lake Fork

  16. White Bass

  17. White Bass Originated in Caddo Lake State wide Double dorsal fin aka: Sand bass, barfish, streaker, silver bass 1 to 1 1/2 pounds average State record 5.56 pounds - Colorado river

  18. Striped Bass Introduced Largest member of the bass family 2 sharp points on gill cover 7 - 8 horizontal stripes State record 53 pounds - Brazos river

  19. Yellow Bass Often confused with white bass Lower 2 stripes broken Average size 1/2 pound State record 1.44 pounds – Cedar Creek Lake

  20. Smallmouth Bass

  21. 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 • Large clear water lakes • State record 7.93 pounds - Lake Meredith

  22. Rock Bass

  23. Rock Bass • Brown eye • Brown coloration, with light vertical stripes along the sides • Heavy bodied • aka: warmouth, goggle eye • Average size 8 oz • State Record 1.3 lbs- Town Lake

  24. Other Bass • Guadalupe Bass • Flowing waters • aka: Guadalupe spotted bass • State record 4.69 - San Marcos River

  25. Other Bass • Spotted Bass • Native to East Texas • Confused with Largemouth • Kentucky spotted bass, spotted black bass • State record 5.62 pounds – Lake Alan Henry • Hybrid Striped Bass • White Bass X Striped Bass • State Record 19.66 pounds - Lake Ray Hubbard

  26. Channel Catfish

  27. Channel Catfish • Scaleless, tough skin • 8 barbels • Three sharp spines, (1 dorsal, 2 pectoral) • Black spots on lower side of body • Popular with Trotliners • aka: Willow cat, forked-tail cat • Deeply forked caudal fin • Excellent table quality • Average 2-3 lbs. • State Record 36.5 lbs - Pedernales River

  28. Flathead Catfish

  29. Flathead Catfish • Scaleless, tough skin • 8 barbels • Three sharp spines, (1 dorsal, 2 pectoral) • No spots on lower side of body • squared caudal fin • aka: Yellow cat, opelousas, mud cat, shovelhead cat • flattened head • lower lip protrudes past upper lip

  30. Yellow Bullhead

  31. Yellow Bullhead • Scaleless, tough skin • 8 barbels • Sharp spines (1 dorsal, 2 pectoral) • Black, Brown or Yellow species • Polliwog, chucklehead cat • Caudal fin is slightly notched and squared • Texas nongame fish

  32. Carp Grass and Common

  33. Common Carp

  34. Common Carp • Rough fish • Very scaly • Barbels • Considered a nuisance to American Anglers, prized in Europe • Much like a sucker fish • aka: German or European Carp • Nongame Fish

  35. Grass Carp

  36. Grass Carp • Harmful to Native resources • 100% Herbivorous • Used for vegetation control • Texas Nongame • Triploid (sterile) are legal for use in Texas only • Must have permit to obtain. • Aka: White amur

  37. Freshwater Drum Gaspergou, sheepshead Only freshwater member of drum family Forces air into smaller air bladders State record 34.7 pounds - Texoma

  38. Gar Alligator Gar Longnose Gar Spotted Gar Shortnose Gar

  39. Alligator Gar Others - Spotted, Longnose, Shortnose Air breather - can survive in stagnant water Long, cylindrical body Hard, interlocking scales State record 279 pounds - Rio Grande River

  40. Fish need areas of protection Streams and Rivers: Riffles, pockets, pools Overhangs Current breakers Dams, waterfalls

  41. Fish need areas of protection LAKES: Depth Changes Weedy Shallows Gravel Bars Channels Road Beds Trees & Obstructions

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