Coreoperca kawamebari, commonly known as the Japanese perch, redfin perch, Japanese river perch, eye-spot perch, fire tiger or in Anglophone parts of Japan, simply the perch, is a predatory species of ray-finned fish native to Japan and southern Korea.[3][4][5][6] They are sometimes kept as pets.
| Japanese perch | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Centrarchiformes |
| Family: | Sinipercidae |
| Genus: | Coreoperca |
| Species: | C. kawamebari
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| Binomial name | |
| Coreoperca kawamebari | |
| Synonyms[2] | |
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Description
editJapanese perch are greenish with red pelvic, anal and caudal fins. They have five to eight dark vertical bars on their sides. The Japanese perch can reach up to 15 cm (5.9 in) in length. They can live for up to 7 years.[citation needed]
Diet
editThe Japanese perch is a predatory species. Juveniles feed on zooplankton, bottom invertebrate fauna, other fish fry, scuds, small shrimp and insects, while adults feed on both invertebrates and smaller fish, mainly Japanese rice fish, Japanese minnows (Nipponocypris temminckii, Rhynchocypris spp., Gnathopogon elongatus), Japanese smelt (Hypomesus nipponensis) fry, small crayfish and tadpoles. Japanese perch start eating other fish when they reach a size of around 6 cm (2.4 in).[citation needed]
Reproduction
editA Japanese perch usually matures in two to three years, but a Japanese perch that lives in warmer waters has the ability to reproduce in the first year of life. A single female has the potential to lay from 250 to 1,000 eggs annually. Japanese perch will journey to warmer shallow water for spawning. The primary spawning season for the Japanese perch occurs from the middle of April through approximately June, depositing their eggs on water plants or the branches of trees or shrubs immersed in the water.[citation needed]
Predators
editThe Japanese perch is a frequent prey of many fish-eating predators, such as the great cormorant and common kingfisher.[citation needed]
References
edit
- ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Coreoperca". Catalog of Fishes. California Academy of Sciences. Retrieved 12 June 2020.
- ^ "Synonyms of Coreoperca kawamebari (Temminck & Schlegel, 1843)". FishBase.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Coreoperca". FishBase. June 2020 version.
- ^ "Coreoperca kawamebari summary page". FishBase.
- ^ "ITIS Standard Report Page: Coreoperca kawamebari". www.itis.gov.
- ^ "Taxonomy browser (Coreoperca kawamebari)". www.ncbi.nlm.nih.gov.
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