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.

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
Find places to fish
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 →
日本語

