Fish species in Japan
Striped beakfish
イシダイ · ishidai
Oplegnathus fasciatus
Striped beakfish have powerful jaws. Heavy bottom tackle is a specialist Japanese rock-shore technique.

Habitat and season
Rocky reefs and rough coastal bottom.
- Recorded fishing season
- Apr · May · Jun · Jul · Aug · Sep · Oct · Nov
- Scientific name
- Oplegnathus fasciatus
- Japanese name
- イシダイ
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
Kanagawa · Rocky shore
城ヶ島・ヒナダン
Largescale blackfish · Black seabream · Japanese horse mackerel
Kanagawa · Rocky shore剱崎
Largescale blackfish · Black seabream · Japanese rockfish
Hyogo · Rocky shore大引の鼻
Largescale blackfish · Black seabream · Japanese amberjack
Mie · Rocky shore楯ヶ崎・千畳敷
Largescale blackfish · Striped beakfish
Cooking
Detailed recipes for this species are currently in Japanese. Open the Japanese cooking guide →
Compare related fish
Detailed Japanese species notes
若い個体にははっきりした黒い横帯があり、成長に伴って帯が薄れる個体もいます。歯は硬いくちばし状で、貝やウニなど硬い餌をかみ砕きます。
磯では滑落と波に注意。硬い口へ指を入れず、強い針・オモリの扱いは周囲から離れて行います。
Full Japanese page, including available 3D model →

