HW-MN0444009 – Residency
7th sighting in Au'au Channel
HW-MN0444009 @99878
Dec 12 – 31, 2025 · Au'au Channel
Au'au Channel · Dec 2025
152 m
Deepest dive
4:47
Longest dive
49
Dives
- Sightings
- 4
- Days between first and last sighting
- 19
- Deepest dive on record
- 152 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 | 67 m | — | 48 m |
| Dec 15, 2025 | 93 m | — | 45 m |
| Dec 28, 2025 | 68 m | — | 48 m |
| Dec 31, 2025 | 757 m | 25.6°C | 152 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
152 m
Deepest dive
4:47
Longest dive
49
Dives
27 m
Avg dive depth
4
Sightings
19
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 (757 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 31, 2025
measured- Seafloor depth
- 757 m
- Sea-surface temperature
- 25.6°C
- Distance from shore
- 7.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 67 m – 757 m
- Sea-surface temperature
- 25.6°C
- Distance from shore
- 4.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.