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Fish species in Japan

Spotted knifejaw

イシガキダイ · ishigakidai
Oplegnathus punctatus

Spotted knifejaws have black spots and powerful fused teeth for crushing hard prey. Older males may lose obvious spotting and develop pale lips. Heavy rock-fishing tackle and a planned landing position are essential.

Spotted knifejaw

Habitat and season

Warm rocky coasts and reefs.

Recorded fishing season
May · Jun · Jul · Aug · Sep · Oct · Nov
Scientific name
Oplegnathus punctatus
Japanese name
イシガキダイ

Months are a broad guide, not a current catch forecast. Region, water temperature and local closures can change the season.

Fishing methods

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Cooking

Detailed recipes for this species are currently in Japanese. Open the Japanese cooking guide →

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Detailed Japanese species notes

銀灰色の体を黒い斑点が覆う磯の底物。硬い殻を砕くくちばし状の歯を持つ。成長した雄では斑点が目立たなくなり、口の周囲が白くなる個体もいる。

強い歯に指を入れない。シガテラ食中毒の原因になることがあり、外見や加熱で安全を確認できない。釣った魚を自己判断で食べない。

Full Japanese page, including available 3D model →