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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://taibnet.sinica.edu.tw/eng/taibnet_species_detail.php?gen=Anguilla&spe=japonica |
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Anguilla&speciesname=japonica ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Anguilla&speciesname=japonica http://192.134.151.83/Summary/speciesSummary.php?genusname=Anguilla&speciesname=japonica ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Anguilla&speciesname=japonica https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Anguilla&speciesname=japonica ---> https://fishbase.mnhn.fr/summary/Anguilla-japonica.html
Anguilla japonica, Japanese eel : fisheries, aquaculture
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Anguilla japonica
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Teleostei (teleosts) >
Anguilliformes
(Eels and morays) >
Anguillidae
(Freshwater eels)
Etymology:
Anguilla:
Latin, anguilla, .-ae = eel (Ref.
45335
)
.
More on authors:
Temminck
&
Schlegel
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; demersal; catadromous (Ref.
51243
); depth range 1 - 400 m (Ref.
6898
). Subtropical; 4°C - 27°C (Ref.
12468
); 46°N - 15°N, 105°E - 170°E
Asia: Japan to the East China Sea, Taiwan, Korea, China and northern Philippines. Spawning grounds of this species are presumed to be in the western Mariana Islands, at a salinity front near 15°N and 140°E (Ref.
54488
). Most expensive food fish in Japan. Introduced elsewhere.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 150 cm TL male/unsexed; (Ref.
9828
); common length : 40.0 cm SL male/unsexed; (Ref.
35840
); max. published weight: 1.9 kg (Ref.
82795
)
Vertebrae
: 114 - 118. Plain-colored.
Spawning occurs in the sea; small eels ascend the rivers in schools; develop and grow in freshwater. The species may crawl over land at night from one place to another (Ref.
5258
,
11230
). Adults feed on crustaceans, insects and fish (Ref.
5258
). Maximum weight given (1889 g) has a maximum length of 100.8 cm TL in Ref. 82795. Utilized fresh, smoked, canned and frozen; eaten steamed, broiled and baked (Ref.
9988
). Used in Chinese medicine (Ref.
12166
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Assuming reproductive mode to be the same as that of
Anguilla anguilla
.
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino
, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref.
559
)
IUCN Red List Status (Ref.
130435
)
Endangered (EN)
(A2bcd); Date assessed:
06 November 2018
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: highly commercial; aquaculture: commercial
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Estimates based on models
Preferred temperature (Ref.
123201
): 2.5 - 23.3, mean 17 °C (based on 432 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00062 (0.00039 - 0.00099), b=3.18 (3.05 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.6 ±0.51 se; based on food items.
Generation time: 15.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (K=0.07).
Fishing Vulnerability (Ref.
59153
): High to very high vulnerability (71 of 100).
Price category (Ref.
80766
):
Unknown
.
Nutrients (Ref.
124155
): Calcium = 32.7 [19.9, 65.7] mg/100g; Iron = 0.741 [0.434, 1.157] mg/100g; Protein = 19.5 [17.7, 21.4] %; Omega3 = 0.35 [0.19, 0.67] g/100g; Selenium = 55.1 [28.6, 103.5] μg/100g; VitaminA = 8.74 [1.85, 42.36] μg/100g; Zinc = 0.685 [0.498, 0.991] mg/100g (wet weight); based on
nutrient studies.
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Updated: 2024-03-19 12:52:53 gmt
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