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Fish salvage guidelines - Department of Primary Industries

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Appendix C – Priority noxious and non-indigenous fish species to be killed<br />

and disposed <strong>of</strong> away from the waterway<br />

Noxious/non-indigenous fish<br />

Tilapia (Oreochromis mossambicus)<br />

Description<br />

Colouration is pale olive to silver grey with<br />

2 to 5 dark blotches on the side. Breeding males<br />

are almost black with red edging on their fins.<br />

These fish grow to 36 cm.<br />

Tilapia (Tilapia mariae)<br />

Colouration is variable from dark olive green to<br />

light yellowish green with vertical stripes on the<br />

head and body. These fish grow to 25 to 30 cm.<br />

Carp (Cyprinus carpio)<br />

Colouration is highly variable. May be bronze or<br />

olive gold, becoming pale yellow or whitish on the<br />

sides and belly. They have a deeply forked tail,<br />

single dorsal fin and fleshy whiskers (or barbels)<br />

at either corner <strong>of</strong> the upper lip. Can rarely grow to<br />

120 cm, but more common at 30 to 40cm.<br />

Mosquit<strong>of</strong>ish or Gambusia (Gambusia spp.)<br />

Female<br />

Colouration varies with habitat, but they are<br />

usually dark grey or olive on the head and back and<br />

lighter on the belly. They have faint pigment spots<br />

on the fins and under the eyes. They have large<br />

scales, stocky bodies and grow to less than 7 cm.<br />

Mosquit<strong>of</strong>ish or Gambusia (Gambusia spp.)<br />

Male<br />

Males are slimmer than females and have a<br />

modified anal fin which forms a gonopodium.<br />

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