HW-MN0440186 – Residency
9th sighting in Au'au Channel
HW-MN0440186 @13046
Dec 18, 2025 – Mar 11, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Mar 2026
136 m
Deepest dive
5:29
Longest dive
9
Dives
- Sightings
- 2
- Days between first and last sighting
- 83
- Deepest dive on record
- 136 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 18, 2025 | 197 m | — | 46 m |
| Mar 11, 2026 | 3,614 m | 24.8°C | 136 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
136 m
Deepest dive
5:29
Longest dive
9
Dives
31 m
Avg dive depth
2
Sightings
83
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 (3,614 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 11, 2026
measured- Seafloor depth
- 3,614 m
- Sea-surface temperature
- 24.8°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 197 m – 3,614 m
- Sea-surface temperature
- 24.8°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 2 catalogued encounters on Happywhale.