Know your limits - Search recreational size, bag, boat and possession limits

Snapper fishing spatial closures
PIRSA has confirmed the continuation of five Snapper spatial closures from midday 15 December 2014 to midday 31 January 2015.
Media release
Closures map
Frequently asked questions

Lakes and Coorong Draft Plan
The Draft Management Plan for the South Australian Commercial Lakes and Coorong Fishery has been released for public consultation until 4 February 2015.
Media release
Find out more

Lake George Recreational Mesh Netting
PIRSA Fisheries and Aquaculture is seeking community feedback on a proposal by the Lake George Management Committee on future management arrangements for recreational mesh net fishing at Lake George.
Media release
Discussion Paper (DOC 610.0 KB)
Feedback form (DOC 84.0 KB)

Changes to recreational rock lobster devices - Northern Zone
New arrangements are in place for recreational rock lobster devices used in the Northern Zone of the rock lobster fishery.
View media release
Frequently asked questions
View the fishing gear page

Port River Mud Cockle closure
The Port River Mud Cockle fishing closure has been extended until 30 June 2015 due to ongoing concerns about sustainability.
Map of closure area
Frequently asked questions
View media release 

Changes to commercial and recreational Blue Swimmer Crab fishing limits
View media release
Frequently asked questions
Map of reduction area

Spencer Gulf Cuttlefish closure
Cuttlefish fishing in northern Spencer Gulf has been closed until 14 February 2015.
Frequently asked questions

Map of closure area

Recreational shark fishing restrictions
Restrictions on targeted recreational shark fishing in metropolitan waters have been updated.
Find out more

Redmap launches in SA
Redmap is a new and interactive website, that invites the Australian community to spot, log and map marine species that are uncommon in Australia, or along particular parts of our coast.
Find out more

 

Yabby

Yabbies can range from black, blue-black or dark brown in clear waters to light brown, green-brown or beige in turbid waters.Cherax destructor

Perhaps the best known freshwater crayfish in South Australia is the yabby.

The prevalence of yabbies is influenced by a number of factors, particularly water temperature. Yabbies become more active during the warmer months of the year from spring to autumn.

Where are they found?

Yabbies are extremely well adapted to the seasonality of arid Australia.

Yabbies are found throughout South Australia, living in ponds, rivers and both permanent and temporary water holes. When water holes dry out, the yabby burrows to moist soil (the water table) and emerge when water refills the catchment area. Yabbies also occur in brackish water near the coast.

The best time to find yabbies is on the declining phase of a flood. Yabbies can remain underground for at least five years.

Life cycle

The position of the male and female reproductive organs used in sex determination. Male sexual organs are located at the base of the fifth pair or rearmost pair of walking legs while the female gonopores are found at the base of the third or middle pair of legs.

Generally, mating occurs in the spring and early summer and spawning reaches its peak between December and February. However, when conditions are right, yabbies can be in berry (carrying eggs) throughout the year.

Following spawning the female carries her eggs under her tail, where they incubate for three weeks.

During the first two years of life, the yabby moults several times reaching a length of approximately ten centimetres.

In the third year of life the yabby moults only twice and reaches a length of about thirteen centimetres. However, when conditions are right, yabbies can grow much larger up to twenty-eight centimetres and above.

Feeding habits

The main food consumed by yabbies is dead and decaying animal and plant material known as detritus. Yabbies are also opportunistic feeders, catching and eating small fish and crustaceans, as well as grazing on any aquatic vegetation that might be present. Yabbies also eat their old exoskeletons after moulting, mainly to increase reserves of calcium.

Catch limits and legal lengths

River Murray Yabbie
Type of fish
Freshwater
Common name
Yabby
Scientific name
Cherax destructor
Minimum legal lengthThere are no size limits for yabbies 
Personal daily bag limit200
RestrictionsFemale yabbies carrying eggs are totally protected and must be returned to the water immediately.
Species information
More information about Yabby