Rasta – Residency
5th sighting in Au'au ChannelRasta @6451
Dec 24, 2025 – Jan 18, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
38 m
Deepest dive
1:48
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 25
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 24, 2025 | 70 m | 26.3°C | 25 m |
| Jan 18, 2026 | 42 m | 25.2°C | 38 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
38 m
Deepest dive
1:48
Longest dive
23
Dives
15 m
Avg dive depth
2
Sightings
25
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 (42 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 18, 2026
measured- Seafloor depth
- 42 m
- Sea-surface temperature
- 25.2°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 42 m – 70 m
- Sea-surface temperature
- 25.2°C – 26.3°C
- Distance from shore
- 2.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.