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Fish Photos & Information

Fish, Crustaceans & Cephalopods

Beche De Mer
(Sea Cucumber)

Silver Perch is a freshwater fish native to the Murray/Darling river system in Australia. Wild populations are also located in north east New South Wales and south east Queensland.   Small communities are found in Victoria.  Silver Perch is also farmed.

Silver Perch live in fresh water.  In lakes, reservoirs, streams and rivers.   They can survive in water with temperatures ranging from 2°C to 35°C.   Optimum growth rates occur between 23-28°C and growth is negligible below 12°C.

Silver Perch are suited to aquaculture because of their high survival and rapid growth rates.  Commercial production normally occurs in purpose built earthen ponds.   Recommended pond size is 0.3 to 0.4 of a hectare surface area with depths of 0.7 to 1.5 metres.  The ponds should be easily drainable and have a concrete sump to assist in the harvest of stock.

In their natural habitat, Silver Perch spawn during the summer floods when water temperatures are above 20°C. A 1.5kg fish may produce up to 500,000 eggs.  Males are difficult to distinguish from femaels by external examination.  However Females are usually larger and more round when spawning.  At spawning two or three male fish may follow the female near the surface of the water and activity and speed increase at spawning when fish may thrash the water surface.

Eggs are spherical, amber coloured at first but colourless and transparent later, approximately 3m in diameter, non-adhesive and pelagic, but will come to rest on the bottom in still water.  Eggs hatch within 30 hours at temperatures between 22°C and 31°C.  Fry begin to feed about 5 days after hatching.

Silver Perch are omnivores consuming zooplankton, small crustaceans, aquatic insects, molluscs, algae and plant material.  Juvenile Silver Perch preferentially feed on crustaceans and zooplankton with the proportion of algae and plant material increasing with age.

Angling for Silver Perch:

Silver Perch are a good sportfish on light tackle.  Successful baits include artificial flies, lures, worms, yabbies and shrimps. 

Cooking Silver Perch:

Silver Perch are ideal as fillets or whole, and well suited to baking, shallow frying, grilling, barbecuing and poaching. The fillets, which are meaty, sturdy and retain their shape when cooked, are well suited to stir-fries, soups, risottos and pasta dishes.

Golden perch is particularly good steamed and marries well with the Asian flavours of chilli, coriander, soy, ginger and garlic. It is prized in Chinese cuisine for presentation as a steamed finfish.

Stuffing a whole Murray cod with wild rice and lemon zest, then baking it wrapped in foil, seals in the flavours, keeps it moist and also presents wonderfully.

Silver perch flesh can be relatively moist when fresh but is otherwise dry. It is best prepared with a medium-flavoured sauce.

Microwave Cooking Times for Fish
- Fish fillets – 5 minutes per 500g on medium-high, +50 seconds more for thicker fillets, or until flesh flakes
- Whole fish - Large – 6 minutes/750g on medium
- Whole fish – Small – 3-4 minutes on medium

Silver Perch Fillet

Pan Seared Perch with Fried Capers	Perch with Cucumber and Mint Salsa	Fresh Perch in Brown Butter	Funked-up Fish Pie

Commercial Fishing for Silver Perch:

Farmed fish.

Recovery Rate
Fillets: at least 35% from most whole freshwater finfish (gilled and gutted); up to 50% from whole silver perch

Most wild freshwater fisheries have declined in recent decades. Live Murray cod and silver perch are supplied to restaurants (mainly Chinese) nationwide via aquaculture. Golden perch is hard to feed in captivity and the availability of this species may decrease.

 

Exporters of Silver Perch  |  Importers of Silver Perch  |  Processors of Silver Perch  | Wholesale Suppliers of Silver Perch  |  Seafood Agents for Silver Perch

More links about Silver Perch

Western Australian Fisheries - Publications and information on popular freshwater and saltwater aquaculture species: Ornamental Fish, Silver Perch, Black Bream, Red Claw, Trout, Yabbys, Marron, Mussels, Pearls, Western Rock Lobster, Trochus, Abalone, Barramundi,  Fin Fish, Prawns.