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> Anguilliformes (Eels and morays) > Anguillidae (Freshwater eels)
Etymology: Anguilla: Latin, anguilla, .-ae = eel (Ref. 45335).
Eponymy: Dr Johann Karl Ernst Dieffenbach (1811–1855) was a German physician, naturalist, explorer, linguist and writer. [...] (Ref. 128868), visit book page.
More on author: Gray.

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

seewasser; süßwasser; brackwasser demersal; katadrom (Ref. 51243). Subtropical; 34°S - 47°S

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Southwest Pacific: endemic to New Zealand.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m ?, range 80 - ? cm
Max length : 185 cm TL Männchen/unbestimmt; (Ref. 44724); 156.0 cm TL (female); common length : 60.0 cm TL Männchen/unbestimmt; (Ref. 9258); common length :100 cm TL (female); max. veröff. Gewicht: 25.0 kg (Ref. 11115)

Commonly found in lakes and rivers (Ref. 9258). Inhabits stony rivers (Ref. 9072). Migrates to the sea to breed. Oviparous (Ref. 205). Marketed fresh, smoked and frozen; eaten fried and broiled (Ref. 9988). Reports of reaching up to 2 meters and 50 kilograms are rare and more common historically; in recent times, only a few exceed 120 cm TL (Ref. 82796).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Oviparous (Ref. 205).

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Armitage, R.O., D.A. Payne, G.J. Lockley, H.M. Currie, R.L. Colban, B.G. Lamb and L.J. Paul (eds.), 1994. Guide book to New Zealand commercial fish species. Revised edition. New Zealand Fishing Industry Board, Wellington, New Zealand, 216 p. (Ref. 9258)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

stark gefährdet (EN) (A2bd); Date assessed: 08 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell; Aquakultur: experimental

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Estimates based on models

Preferred temperature (Ref. 123201): 10.6 - 18.3, mean 15.1 °C (based on 138 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00093 (0.00076 - 0.00115), b=3.20 (3.15 - 3.25), in cm total length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 4.5 ±0.5 se; based on diet studies.

Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Tmax=60; tm=10-48 years based on age-length relationship.).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Preiskategorie (Ref. 80766): Unknown.

Anguilla dieffenbachii Gray, 1842