Alex – Residency
4th sighting in Au'au Channel
Alex @41941
Dec 12, 2025 – Feb 21, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Feb 2026
57 m
Deepest dive
2:06
Longest dive
15
Dives
- Sightings
- 2
- Days between first and last sighting
- 71
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 | 79 m | 26.1°C | 45 m |
| Feb 21, 2026 | 78 m | 24.8°C | 57 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
57 m
Deepest dive
2:06
Longest dive
15
Dives
25 m
Avg dive depth
2
Sightings
71
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 (78 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 21, 2026
measured- Seafloor depth
- 78 m
- Sea-surface temperature
- 24.8°C
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 78 m – 79 m
- Sea-surface temperature
- 24.8°C – 26.1°C
- Distance from shore
- 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.