HW-MN0445416 – Residency
4th sighting in Au'au Channel
HW-MN0445416 @150219
Dec 21, 2025 – Jan 9, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
60 m
Deepest dive
2:07
Longest dive
42
Dives
- Sightings
- 4
- Days between first and last sighting
- 19
- Deepest dive on record
- 60 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 21, 2025 | 1,139 m | — | 60 m |
| Jan 1, 2026 | 56 m | 25.5°C | 43 m |
| Jan 8, 2026 | 60 m | 25.5°C | 46 m |
| Jan 9, 2026 | 68 m | 25.5°C | 18 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
60 m
Deepest dive
2:07
Longest dive
42
Dives
20 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 (1,139 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 21, 2025
measured- Seafloor depth
- 1,139 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 56 m – 1,139 m
- Sea-surface temperature
- 25.5°C – 25.5°C
- Distance from shore
- 4.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.