Biology
Species | Sphyraena novaehollandiae |
Common Name | Snook |
Importance | Minor |
Habitat | Exposed reef, sand, seagrass, and offshore waters |
Depth | ≤ 20 m (Edgar, 2008) |
Distribution | Western Australia to southern Queensland, northern Tasmania (Edgar, 2008) |
Diet | Fish (Scott and Glover, 1980; Coleman and Mobley, 1984) |
Stock Structure | No information available |
Movement | Highly migratory species that often occurs in shoals of 50 or more individuals (Kailola et al., 1993) |
M (Natural Mortality) | 0.24 |
Maximum Age (years) | 20 (Edgar, 2008; Kailola et al., 1993) |
Maximum Length (total length; cm) | 1100 (Edgar, 2008; Kailola et al., 1993) |
Maximum Weight (g) | 5600 (Edgar, 2008; Kailola et al., 1993) |
Size at Maturity (length (total length; cm) at first maturity) | 42 (females), 40 (males) |
Age at Maturity (age (years) at first maturity) | 2.5 (Bertoni, 1994) |
Spawning Season | October – January (assumed) (Kailola et al., 1993) |