Gemfish
Rexea solandri
A white flesh fish with a delicate texture.
Gemfish are also commonly known as Silver Kingfish and Southern Kingfish.
Found around New Zealand waters within a ride depth range of between 50 and 550 metres. Target fisheries for Gemfish are off the northern and eastern coasts of the North Island.
Key Information
Family
Gemfish belong to the Gempylidae family (snake mackerels).
Physical attributes
The back and head have blue tones with a dark stripe along the back. The skin is smooth and shimmers , with the body shading to iridescent dark silver and pale white on the belly. Their dorsal fin has a black blotch on the membrane between the first three spines. Gemfish have very sharp teeth which should be avoided when handling it, either dead or alive.
The flesh is white, delicate and flakes easily.
Sustainability
Gemfish is managed by the Ministry for Primary Industries using the New Zealand Quota Management System (QMS). Regular stock assessments are conducted to estimate fishery stock size and numbers. Scientific studies are also used. From these, scientists can estimate future stock sizes and catch limits.
Geographical location
Found around New Zealand waters within a ride depth range of between 50 and 550 metres. Target fisheries for Gemfish are off the northern and eastern coasts of the North Island.
Market Names
- New Zealand: Gemfish, Silver Kingfish, Southern Kingfish
- Commonwealth of Independent States: Reksiya
- Japan: Kagokamasu, Ginsawara, Shirosawara
- Korea: Un sam chi
- United States of America: Silver Gemfish
Locations Caught
Profile
Average weight
2-5 kg
Average length
60-90 cm
TACC i
2,684 tonne
Talley's catch
100-500 tonne
Nutritional information
Average quantity per 100g
Energy
595 kJ
Protein
19.9 g
Fat, total
7.0 g
Carbohydrate
0.3 g
Seasonal availability
Flavour and cooking
Gemfish have a white, delicate flesh that flakes easily. Suitable for most cooking methods including baked, fried, poached, grilled and steamed. The fillets are also excellent when smoked.
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