Anguilla dieffenbachii, New Zealand longfin eel : fisheries, aquaculture

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Anguilla dieffenbachii Gray 1842

New Zealand longfin eel
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Native range | All suitable habitat | Point map | Year 2100
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Anguilla dieffenbachii   AquaMaps   Data sources: GBIF OBIS
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Image of Anguilla dieffenbachii (New Zealand longfin eel)
Anguilla dieffenbachii
Picture by Bursell, J.J.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Anguilliformes (Eels and morays) > Anguillidae (Freshwater eels)
Etymology: Anguilla: Latin, anguilla, .-ae = eel (Ref. 45335).  More on author: Gray.

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

; marina; stvatten; brackvatten bottenlevande; katadrom (Ref. 51243).   Subtropical; 34°S - 47°S

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Southwest Pacific: endemic to New Zealand.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?, range 80 - ? cm
Max length : 185 cm TL hane/ej könsbestämd; (Ref. 44724); 156.0 cm TL (female); common length : 60.0 cm TL hane/ej könsbestämd; (Ref. 9258); common length :100 cm TL (female); publicerad maxvikt: 25.0 kg (Ref. 11115)

Biologi     Ordlista (t.ex. epibenthic)

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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Oviparous (Ref. 205).

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 123251)

  Endangered (EN) (A2bd); Date assessed: 08 November 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell; Vattenbruk: experimentell
FAO(Publication : search) | FishSource |

Ytterligare information

Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
BRUVS
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Allelfrekvenser
Ärftlighet
Sjukdomar
Behandling
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Estimates based on models

Preferred temperature (Ref. 115969): 10.6 - 18.3, mean 15.1 °C (based on 138 cells).
Phylogenetic diversity index (Ref. 82805):  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).
Trofisk nivå (Ref. 69278):  4.5   ±0.5 se; based on diet studies.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Tmax=60; tm=10-48 years based on age-length relationship.).
Vulnerability (Ref. 59153):  Very high vulnerability (89 of 100) .
Price category (Ref. 80766):   Unknown.