Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande; katadrom (Ref. 51243). Subtropical; 34°S - 47°S
Southwest Pacific: endemic to New Zealand.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 13730)
Inhabits shallow waters, generally at depth of less than 50 m. Juveniles gather in sheltered inshore waters, such as estuarine areas, shallow mudflats and sandflats, where they remain for up to two years (Ref. 9072). This species is poorly studied, fast growing and short lived (to at least 4 years) (Ref. 47621).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
McDowall, R.M., 1990. Freshwater fishes and fisheries of New Zealand -The angler's el dorado. Aquat. Sci. 2(2):281-341. (Ref. 11115)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; sportfisk: ja
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00786 - 0.04213), b=2.97 (2.76 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).