Otis – Residency
11th sighting in Au'au Channel
Otis @69464
Dec 20, 2025 – Jan 4, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
78 m
Deepest dive
3:33
Longest dive
52
Dives
- Sightings
- 5
- Days between first and last sighting
- 15
- Deepest dive on record
- 78 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 20, 2025 | 72 m | — | 60 m |
| Dec 27, 2025 | 65 m | — | 43 m |
| Dec 27, 2025 | 42 m | — | 29 m |
| Dec 27, 2025 | 69 m | — | 43 m |
| Jan 4, 2026 | 205 m | 25.7°C | 78 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
78 m
Deepest dive
3:33
Longest dive
52
Dives
21 m
Avg dive depth
5
Sightings
15
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 (205 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 4, 2026
measured- Seafloor depth
- 205 m
- Sea-surface temperature
- 25.7°C
- Distance from shore
- 4.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 42 m – 205 m
- Sea-surface temperature
- 25.7°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.