CRC-20891 – Residency
3rd sighting in Au'au Channel
CRC-20891 @99535
Feb 20 – 23, 2026 · Au'au Channel
Au'au Channel · Feb 2026
51 m
Deepest dive
1:56
Longest dive
37
Dives
- Sightings
- 3
- Days between first and last sighting
- 3
- Deepest dive on record
- 51 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) |
|---|---|---|---|
| Feb 20, 2026 | 42 m | 24.6°C | 33 m |
| Feb 22, 2026 | 84 m | 24.8°C | 28 m |
| Feb 23, 2026 | 56 m | 24.6°C | 51 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
51 m
Deepest dive
1:56
Longest dive
37
Dives
15 m
Avg dive depth
3
Sightings
3
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 (56 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 23, 2026
measured- Seafloor depth
- 56 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 4.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 42 m – 84 m
- Sea-surface temperature
- 24.6°C – 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 3 catalogued encounters on Happywhale.