Nanki-Shirahama & Tanabe · Japan · Sand slope · Muck & macro
Sengokuoka
Shrimpgobies paired with snapping shrimp on the sand at 20 m
Sengokuoka is a sand dive off Shirahama where the attraction is small and patient: gobies sharing their burrows with snapping shrimp. It is open to beginners and to anyone who wants to settle on the sand and watch the partnership between fish and shrimp at close range.
Where it is and how deep
No published position for this site — the map shows Nanki-Shirahama & Tanabe and its other sites; operators know the mooring.
The dive
The dive spans 12 to 21 m and centres on the sand at 20 m. Gobies are plentiful there, yellownose shrimpgobies among them, and each lives in partnership with a snapping shrimp that shares its burrow in the sand.
Marine life and season
- Macro critters
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Good | Good | Good | Good | Good | Good | Prime | Prime | Good | Good | Good | Good |
Season follows Nanki-Shirahama & Tanabe: Diving runs all year; summer is the high season, with the warmest water and bays that face away from the south wind.
Sources
- ダイビングポイント紹介 — Miss Ocean Diving Service
More dive sites in Nanki-Shirahama & Tanabe
Wall
A drop-off that falls in one plunge from 17 m to 40 m
Reef
A sand channel walled by rock nearly 10 m high on both sides
Reef
An arch 15 m long, among the largest on the Kii Peninsula
Reef
Harlequin shrimp and boxer crabs on the bottom near 30 m
Wreck
Sweepers and cardinalfish packed so thick they hide the hull
Similar dives elsewhere
Sand slope
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Male pufferfish sculpt two-metre circles into open sand
Shore entry onto sand to 40 m, dived for frogfish and nudibranchs
Garden eels standing in the sand a few fin-kicks from the entry
A garden-eel colony on sand between 6 m and 18 m