freshwater-recreational-fishing-guide-2016-17
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Eastern (Freshwater) Cod, Trout Cod and<br />
Murray Cod<br />
The Eastern Cod was once common in northeastern<br />
NSW but wild spawned fish are now<br />
considered rare. Eastern Cod are similar to<br />
Murray Cod and Mary River Cod. They can<br />
vary from pale green to golden with heavy<br />
black or green convoluted mottling. The<br />
pelvic fin is clear and relatively long. The lower<br />
jaw protrudes.<br />
Eastern Cod<br />
Convoluted mottling.<br />
Trout Cod have the following features which<br />
distinguish the species from Murray Cod:<br />
■■<br />
Blue-grey colour with well defined dark<br />
spots and dashed markings, whereas<br />
Murray Cod are generally greenish in colour<br />
with dark marbled markings.<br />
■■<br />
The snout and upper jaw is usually longer<br />
than the lower jaw. In Murray Cod the jaws<br />
are level or the lower jaw longer.<br />
■■<br />
The forehead profile is straight or slightly<br />
convex whereas in Murray Cod the<br />
forehead profile is slightly concave.<br />
■■<br />
The snout and forehead of Trout Cod are<br />
usually clear of any markings.<br />
Trout Cod<br />
Straight-convex forehead.<br />
29<br />
Fish identification and measurement<br />
Lower jaw protrudes.<br />
Pelvic fin clear.<br />
Overhanging<br />
upper jaw.<br />
Stripe<br />
through eye.<br />
Spotted<br />
marking.<br />
Concave forehead.<br />
Murray Cod<br />
Shorter snout.<br />
Mosaic or marbled marking.<br />
How to measure the legal length of fish and invertebrates<br />
Finfish<br />
nostrils<br />
nape<br />
snout<br />
operculum<br />
total length<br />
dorsal fin lateral line<br />
pelvic fin caudal fin<br />
pectoral fin<br />
anal fin<br />
To determine the legal length of a fish, the fish<br />
is measured from the point of the snout to the<br />
tip of the tail. This is known as the total length.<br />
Crayfish<br />
claws<br />
eye socket<br />
antenna<br />
legs<br />
measurement<br />
carapace<br />
tail fin<br />
Crayfish are measured from the rear of the eye<br />
socket to the centre rear of the carapace.<br />
NSW Recreational Freshwater Fishing Guide