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Anguilla japonica in Guam
Japanese eel

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Anguilla japonica   Temminck & Schlegel, 1846
Family:	Anguillidae (Freshwater eels)			picture (Anjap_u2.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: 760 g (Ref. 40637)
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). 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)
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Guam country information
Common names:	[ No common name ]		Ref:
Status:	introduced		Ref:
Salinity:	freshwater
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/gq.html
Occurrences:	Occurrences    Point map
Main Ref:	Eldredge, L.G., 1994
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	Alien/Invasive species database | BiOSC Point Data | CISTI | FAO catch | Google | GOBASE | FIGIS | GenBank ( genome, nucleotide ) | National databases | PubMed | Recipes | Scirus | Tree of Life |   Neodat | Zoological Record Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Froese, Rainer	Entered:  Casal, Christine Marie V.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07