freshwater-recreational-fishing-guide-2016-17

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28 Fish identification and measurement Fish identification and measurement Most families of fish have a number of different species which can make identification difficult. It is important to know exactly what fish you catch as different regulations may apply to different species. Various reference books are available which clearly outline a fish’s defining characteristics. Some NSW species look quite similar. The following tips have been prepared to help identify popular species from similar looking fish. Australian Bass Snout length shorter than Estuary Perch. Pelvic fin white at leading margin. Snout profile – slightly concave to straight. Dark olive/grey/green on back fading to off-white or yellowish white below. Estuary Perch Snout profile – concave. Snout tapered and elongated (longer than Bass). Dark grey and silvery on back, paler below. All fins dark. Golden Perch and Silver Perch Small Golden Perch are often confused with small Silver Perch. Distinguishing features of Golden Perch are their olive green colouration, their yellow belly, their distinctly concave forehead above the eyes and their lower protruding jaw. In contrast, Silver Perch have a more silvery darker complexion on the back, are paler on the sides, have a white belly, have a smaller beak-like head, have a small mouth and small scales and their jaws are of equal length. Golden Perch Concave head. Olive green colouration. Silver Perch Small head, eyes. Darker silvery complexion on back. Protruding lower jaw. Jaws equal length. White belly. NSW Recreational Freshwater Fishing Guide Southern Shortfin and Longfin Eels The Longfin Eel is closely related and very similar to the Southern Shortfin Eel. However, the dorsal fin on the Longfin Eel extends well forward of the anal fin. Often incorrectly referred to as Conger Eel in Victoria and NSW they may also resemble Lampreys, especially when small. Longfin Eel Dorsal fin extends markedly forward of anal fin. Uniform olive/green to brown colour, distinctly blotched or mottled. Southern Shortfin Eel Dorsal fin extends a little forward of anal fin. Uniform olive/green to brown colour, no distinctive markings.
Eastern (Freshwater) Cod, Trout Cod and Murray Cod The Eastern Cod was once common in northeastern NSW but wild spawned fish are now considered rare. Eastern Cod are similar to Murray Cod and Mary River Cod. They can vary from pale green to golden with heavy black or green convoluted mottling. The pelvic fin is clear and relatively long. The lower jaw protrudes. Eastern Cod Convoluted mottling. Trout Cod have the following features which distinguish the species from Murray Cod: ■■ Blue-grey colour with well defined dark spots and dashed markings, whereas Murray Cod are generally greenish in colour with dark marbled markings. ■■ The snout and upper jaw is usually longer than the lower jaw. In Murray Cod the jaws are level or the lower jaw longer. ■■ The forehead profile is straight or slightly convex whereas in Murray Cod the forehead profile is slightly concave. ■■ The snout and forehead of Trout Cod are usually clear of any markings. Trout Cod Straight-convex forehead. 29 Fish identification and measurement Lower jaw protrudes. Pelvic fin clear. Overhanging upper jaw. Stripe through eye. Spotted marking. Concave forehead. Murray Cod Shorter snout. Mosaic or marbled marking. How to measure the legal length of fish and invertebrates Finfish nostrils nape snout operculum total length dorsal fin lateral line pelvic fin caudal fin pectoral fin anal fin To determine the legal length of a fish, the fish is measured from the point of the snout to the tip of the tail. This is known as the total length. Crayfish claws eye socket antenna legs measurement carapace tail fin Crayfish are measured from the rear of the eye socket to the centre rear of the carapace. NSW Recreational Freshwater Fishing Guide
Page 1: NSW Recreational Freshwater Fishing
Page 4 and 5: ii This NSW Recreational Freshwater
Page 6 and 7: 2 NSW Recreational Fishing Fee NSW
Page 8 and 9: 4 Where do my fishing fees go? Wher
Page 10 and 11: 6 More facilities for fishers The s
Page 12 and 13: 8 NSW Recreational Freshwater Fishi
Page 14 and 15: 10 Hatchery Quality Assurance Schem
Page 16 and 17: 12 NSW Recreational Freshwater Fish
Page 18 and 19: 14 How to use circle hooks Circle h
Page 20 and 21: 16 Converting fish lengths to weigh
Page 22 and 23: 18 Fishing safely/Safe boating NSW
Page 24 and 25: 20 Food safety ‘Red alert’ alga
Page 26 and 27: 22 Double uni knot for joining line
Page 28 and 29: 24 Bubble floats ■■ Bubble floa
Page 30 and 31: 26 Common baits ■■ Dragon Fly l
Page 34 and 35: 30 Fish bag limits, size limits and
Page 36 and 37: 32 Murray Crayfish NSW Recreational
Page 38 and 39: 34 Fishing methods and activities P
Page 40 and 41: 36 Nets and traps Use common sense
Page 44 and 45: 40 Prohibited fishing methods and a
Page 46 and 47: 42 Summary table of bag limits, siz
Page 48 and 49: 44 Listed dams Dams where Silver Pe
Page 50 and 51: 46 Key to trout waters Trout waters
Page 52 and 53: 48 4 Captains Flat Dam NSW Recreati
Page 54 and 55: 50 2 Kybean River Upstream of Numer
Page 56 and 57: 52 3 Queanbeyan River Upstream of f
Page 58 and 59: 54 Threatened and protected species
Page 60 and 61: 56 Conserving our biodiversity - aq
Page 62 and 63: 58 countries have helped make Europ
Page 64 and 65: 60 Major fishing closures Why do we
Page 66 and 67: 62 Waters and fish species closures
Page 70 and 71: 66 inner wall of the lock chamber i
Page 76 and 77: 72 Coastal offices Far North Coast
Page 78 and 79: 74 Date Catch Comments A diary for
Page 80: WEAR A LIFEJACKET 9 OUT OF 10 PEOPL

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