Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino; acqua dolce; salmastro demersale; catadromo (Ref. 51243). Subtropical; 34°S - 47°S
Southwest Pacific: endemic to New Zealand.
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 25.0 cm TL maschio/sesso non determinato; (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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00790 - 0.04194), b=2.97 (2.76 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
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