|
Name: |
Jack Mackerel - Trachurus Novaezelandiae |
Family: |
Carangidae (Jacks and pompanos) |
Order: |
Perciformes (perch-likes) |
Class: |
Actinopterygii (ray-finned fishes) |
Alternative Name: |
Jack Mackerel |
Max size: |
64.0 cm SL (male/unsexed; Ref. 33839); max. reported age: 25 years |
Environment: |
Benthopelagic; brackish; marine ; depth range - 460 m |
Climate: |
Temperate; 16.0°C; 25°S - 44°S |
Importance: |
Highly commercial |
Game fish: |
Yes |
Resilience: |
Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-4; tmax=25) |
Distribution: |
Southwest Pacific: Western Australia to New South Wales , including New Zealand . Principal component analysis of morphometric and meristic characters indicates three separate subpopulations in the Great Australian Bight , off New South Wales , and off Tasmania (Ref. 7456). |
Diagnosis: |
Dorsal spines (total): 9-9; Dorsal soft rays (total): 29-35; Anal spines: 3-3; Anal soft rays: 24-29; Vertebrae: 24-24. Adults are elongate and slightly compressed, and have a primary lateral line with 71-89 scutes, and a secondary lateral line reaching to below dorsal-fin rays 7-9 (Ref. 33616). |