New Zealand country information

Common names: Silver drummer
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from mainland New Zealand (Ref. 8879); Northland to Jackson's Bay on the West Coast of the South Island, only common in the northern North Island (Ref. 95491); and Norfolk Island (Ref. 45524). Voucher specimen(s) held at the NMNZ.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Paulin, C., A. Stewart, C. Roberts and P. McMillan, 1989
National Database:

Common names from other countries

Sølvrorfisk, Sydney drummer, Southern silver drummer, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Centrarchiformes (Basses) > Kyphosidae (Sea chubs)
Etymology: Kyphosus: Greek, kyphos = bent (Ref. 45335).
More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien; brak water demersaal; diepte 1 - 20 m (Ref. 86942). Temperate

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Southwest Pacific: southern half of Australia on both coast, east to Lord Howe Islands, Norfolk Islands, northern New Zealand, and New Caledonia.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 80.0 cm TL mannelijk / geslacht onbekend; (Ref. 33839); max. gepubliceerd gewicht: 1.1 kg (Ref. 40637)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 10 - 11; Dorsale zachte stralen (totaal) : 11 - 12; Anale stekels: 2 - 3; Anale zachte stralen: 10 - 12; Wervels: 26. This species is distinguished by the following characters: in lateral view, body is oval to circular, not compressed; head with distinct slanting profile from interorbital region to tip of snout, with characteristic bulb anterior-dorsally of eye, giving a protruding head profile; D X-XI,11-12: A II-III, 10-12; first gill-arch with 3-7 gill rakers on upper part, 10-15 on the lower part; total lateral line scales 52-66, 42-56 are pored; longitudinal scales 48-57; vertebrae: precaudal 11, caudal 15; pterygiophores: dorsal 20-21, anal 12; interorbital region with scales (Ref. 95491).

Occurs in large schools in comparatively shallow water in the vicinity of rocky reefs. Feeds on weeds (Ref. 2156).

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Knudsen, S.W. and K.D. Clements, 2013. Revision of the fish family Kyphosidae (Teleostei: Perciformes). Zootaxa 3751(1):001-101. (Ref. 95491)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: visserij voor eigen gebruik

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Estimates based on models

Preferred temperature (Ref. 115969): 13.8 - 23.3, mean 17.9 (based on 152 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01950 (0.00995 - 0.03820), b=3.03 (2.85 - 3.21), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.0 ±0.0 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

Prijsklasse (Ref. 80766): High.

Kyphosus sydneyanus (Günther, 1886)