Oskol – Residency
6th sighting in Au'au Channel
Oskol @52667
Dec 12, 2025 – Jan 25, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
62 m
Deepest dive
2:32
Longest dive
55
Dives
- Sightings
- 5
- Days between first and last sighting
- 44
- Deepest dive on record
- 62 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 12, 2025 | 54 m | — | 48 m |
| Jan 11, 2026 | 75 m | 25.6°C | 48 m |
| Jan 17, 2026 | 74 m | 25.3°C | 62 m |
| Jan 19, 2026 | 42 m | 25.2°C | 32 m |
| Jan 25, 2026 | 47 m | 25.4°C | 41 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
62 m
Deepest dive
2:32
Longest dive
55
Dives
19 m
Avg dive depth
5
Sightings
44
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (74 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 17, 2026
measured- Seafloor depth
- 74 m
- Sea-surface temperature
- 25.3°C
- Distance from shore
- 6.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 42 m – 75 m
- Sea-surface temperature
- 25.2°C – 25.6°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.