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<strong>19</strong><br />

Food safety<br />

‘Red alert’ algal warnings and visible blooms<br />

Some algae produce harmful toxins that can<br />

build up in <strong>freshwater</strong> shellfish; brackish and<br />

<strong>freshwater</strong> crustacea; the gut and, to a lesser<br />

extent, the flesh of <strong>freshwater</strong> finfish.<br />

Algal blooms can appear as water<br />

discolouration, including red, green, yellow,<br />

brownish, oily or milky appearance. Scum<br />

may form on the water surface. The water may<br />

have a musty, earthy or pungent smell. Some<br />

other blooms are not visible but are highly<br />

toxic, even at low levels.<br />

■■<br />

Do not collect shellfish, gastropods, or<br />

crustacea such as Yabbies or Crayfish from<br />

waters affected by algal blooms.<br />

■■<br />

Clean and rinse <strong>freshwater</strong> finfish<br />

thoroughly in uncontaminated water<br />

and dispose of internal organs before<br />

consumption as they are likely to contain<br />

toxins. The toxin could also be present in<br />

the flesh.<br />

For further background on the risks of toxic<br />

algal blooms go to www.whoi.edu/redtide/<br />

Fishing closures<br />

Do not take any species listed in a NSW DPI<br />

closure notice.<br />

Some waterways have been contaminated<br />

by industrial pollution and are not suitable<br />

for catching or collecting certain species<br />

for consumption.<br />

Sewage spills sometimes contaminate waters<br />

with harmful bacteria and viruses. Sewage spills<br />

are especially high risk for shellfish.<br />

More information<br />

For more information from the NSW Food<br />

Authority: phone 1300 552 406 or check<br />

website www.foodauthority.nsw.gov.au<br />

Local <strong>recreational</strong> <strong>fishing</strong> <strong>guide</strong>s<br />

Local <strong>guide</strong>s provide valuable information on<br />

<strong>fishing</strong> in inland or coastal NSW. Whether you<br />

are a resident or a visiting fisher you can find<br />

details on <strong>fishing</strong> locations, local <strong>fishing</strong> rules<br />

and closures along with summary maps in the<br />

local areas on our website at: www.dpi.nsw.<br />

gov.au/fisheries/<strong>recreational</strong>/resources/info<br />

NSW Recreational Freshwater Fishing Guide<br />

PFAS<br />

PFAS are a group of chemicals that include<br />

perfluorooctane sulfonate (PFOS) and<br />

perfluorooctanoic acid (PFOA). PFAS are an<br />

emerging contaminant, which means that<br />

their ecological and/or human health effects<br />

are unclear. NSW Environmental Protection<br />

Authority (EPA) is leading the NSW Government<br />

response and investigations into PFAS<br />

contamination at a range of sites. There are<br />

a number of waterways in NSW affected by<br />

PFAS. Check updated <strong>fishing</strong> and dietary advice<br />

available on the NSW DPI or NSW Environment<br />

Protection Authority (EPA) websites.<br />

www.dpi.nsw.gov.au/biosecurity/pfas-response

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