Country Species Summary

Anguilla japonica in Japan
Japanese eel

Anguilla japonica Temminck & Schlegel, 1846
Family:	Anguillidae (Freshwater eels)	picture (Anjap_u1.jpg) by Lovshin, L.
Order:	Anguilliformes (eels and morays)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Japanese eel
Max. size:	150 cm TL (male/unsexed; Ref. 9828); max. published weight: 1,889 g (Ref. 82795)
Environment:	demersal; catadromous ; depth range 1 - 400 m
Climate:	subtropical; 4 - 27°C; 42°N - 22°N
Global Importance:	fisheries: highly commercial; aquaculture: commercial
Resilience:	Low, minimum population doubling time 4.5 - 14 years (K=0.07)
Distribution:	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.
Diagnosis:	Vertebrae: 114-118. Plain-colored.
Biology:	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). Feeds 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)
Threatened:	Not Evaluated, see IUCN Red List , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino. 1984. (Ref. 559)
Update \| Add

Japan country information
Common names:	Unagi, ウナギ, Kabayaki	Ref: Organisation for Economic Co-operation and Development, 1990
Status:	native	Ref: Pietsch, T.W., K. Amaoka, D.E. Stevenson, E.L. MacDonald, B.K. Urbain and J.A. López, 2000
Salinity:	freshwater, brackish, marine
Importance:	commercial	Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
Aquaculture:	commercial	Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
Uses:	no uses
Comments:	Recorded from the Chikuma River, Hokkaido (Ref. 37812, 11230); Kawahara-oike Lake, Nagasaki (Ref. 32231); in Futatsukawa Creek, Fukuoka Prefecture (Ref. 37350), Lake Hamana, Aichi and Minato River, Chiba (Ref. 48776). Also. Ref. 9988, 57032.
Country Information:	www.cia.gov/cia/publications/factbook/geos/ja.html
National Fisheries Authority:	www.maff.go.jp/eindex.html
Occurrences:	Occurrences Point map
Main Ref:	Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
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Checked: Garilao, Cristina V.

Modified: Pablico, Grace Tolentino

Entered: Luna, Susan M.

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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