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Red Throat Emperor (Lethrinus chrysostomus) Photographs and Information

Red Throat Emperors are also known as northwest snapper, sweetlip emperor (WA); lipper, sweetlip, tricky snapper, trout, trumpeter

Red-Throat Emperors are reddish orange around their eyes with a red patch at the base of the pectoral fin, and a bright red dorsal fin.

Red Throat Emperors are protogynous hermaphrodites, that is they function first as females and then as males.  Their eggs are pelagic and they range from 0.6mm to 0.9mm in diameter.  Juvenile red-throat emperors 2-3cm long have been collected from shallow, shoreline seagrass beds near Townsville in November.  Juvenile emperors appear to live in shallow, inshore waters such as seagrass and mangrove areas, the fish moving into deeper water as they age.

One year old Red Throat Emperors are about 25cm fork length.  At 2 years of age they average 30cm fork length, 38cm by 4 years and 41cm by 6 years.  Red Throat Emperors are mature at 31-35 cm standard length.

Red Throat Emperors are caught by handlines, rod-and-line, traps and demersal otter trawling - mainly stern trawling but also semi-pelagic trawling in the Northern Territory.

Red Throat Emperor (Lethrinus chrysostomus) photo

Map showing where Red Throat Emperor (Lethrinus chrysostomus) are found in Australian waters

Emperor Fish, Red Throat Emperor Fish

Did you know? Red Throat Emperors are protogynous hermaphrodites, that is they function first as females and then as males.

Scientific Name Lethrinus chrysostomus
Location QLD, NT, WA
Season All year round
Size Up to 1 metre
Australian Species Code 37 351902
Taste, Texture Sweet to mild taste, fine and firm texture.


Nutritional Information
For every 100 grams raw product
for Red Throat Emperor fillet.

Kilojoules -
Cholesterol 16 mg
Sodium -
Total fat (oil) 0.5 g
Saturated fat 31% of total fat
Monounsaturated fat 21% of total fat
Polyunsaturated fat 48% of total fat
Omega-3, EPA 12mg
Omega-3, DHA 140 mg
Omega-6, AA 44 mg

Angling for Red Throat Emperor:

Red Throat Emperors are one of the major target species by anglers on the Great Barrier Reef and the Queensland east coast.  They are caught with either fresh baits or whole or cut fish, crabs, prawns and squid.  Tackle ranges from handlines to casting rigs.


Cooking Red Throat Emperor:

Red Throat Emperor is a very good eating fish. Emperors are superior table fishes, especially when baked whole (gilled and gutted). They are extremely popular throughout the Indo -West Pacific region. Emperor flesh is moist, firm and flavoursome and easily removed from the frame after baking. Cooked whole by baking (try stuffing with herbs and nuts), steaming, poaching or deep frying, emperors are a stunning finfish to display. Poached emperor can be served chilled. They are also ideal in fillet form for frying, grilling, barbecuing or steaming.

Commercial Fishing for Red Throat Emperor:

Red throat emperor are Wild caught. Coral reef fish are caught by hook and line along the length of the Great Barrier Reef from the Torres Strait south to Fraser Island, and from the inshore reefs to the outer barrier reefs. The main targets for the line fishery are coral trout, red throat emperor, Spanish mackerel and red emperor. Coral trout makes up 40-45% of the total commercial harvest of the commercial line fishing on the Great Barrier Reef, with significant amounts of red throat emperor and Spanish mackerel also caught (1520% of the total harvest each).


Links and Resources about Red Throat Emperor

Australian Fisheries Statistics 2010/2011 information on Red Throat Emperor, links to other websites and publications that have information about Emperor Fish.





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