Ulaula – Residency
17th sighting in Au'au Channel
Ulaula @6413
Dec 4, 2025 – Jan 27, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
109 m
Deepest dive
3:53
Longest dive
75
Dives
- Sightings
- 7
- Days between first and last sighting
- 54
- Deepest dive on record
- 109 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 4, 2025 | 160 m | 26.4°C | 109 m |
| Dec 7, 2025 | 113 m | 26.6°C | 55 m |
| Dec 11, 2025 | 62 m | 26.1°C | 42 m |
| Dec 18, 2025 | 51 m | 26.0°C | 38 m |
| Dec 24, 2025 | 57 m | 26.3°C | 48 m |
| Dec 24, 2025 | 54 m | 26.3°C | 27 m |
| Jan 27, 2026 | 42 m | 25.5°C | 30 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
109 m
Deepest dive
3:53
Longest dive
75
Dives
23 m
Avg dive depth
7
Sightings
54
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 (160 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 4, 2025
measured- Seafloor depth
- 160 m
- Sea-surface temperature
- 26.4°C
- Distance from shore
- 8.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 42 m – 160 m
- Sea-surface temperature
- 25.5°C – 26.6°C
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.