RCHP-10RUCO577 – Residency
6th sighting in Au'au Channel
RCHP-10RUCO577 @30302
Mar 8 – Apr 6, 2026 · Au'au Channel
Calm Water Regular
Crowded shallow blue, and somehow every spring it finds me.
82 m
Deepest dive
3:34
Longest dive
71
Dives
- Sightings
- 6
- Days between first and last sighting
- 29
- Deepest dive on record
- 82 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) |
|---|---|---|---|
| Mar 8, 2026 | 90 m | 25.2°C | 65 m |
| Mar 8, 2026 | 128 m | 25.2°C | 82 m |
| Mar 16, 2026 | 42 m | 24.9°C | 38 m |
| Mar 17, 2026 | 42 m | 24.9°C | 30 m |
| Mar 22, 2026 | 78 m | 24.6°C | 43 m |
| Apr 6, 2026 | 42 m | 24.4°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
82 m
Deepest dive
3:34
Longest dive
71
Dives
23 m
Avg dive depth
6
Sightings
29
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 (128 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 8, 2026
measured- Seafloor depth
- 128 m
- Sea-surface temperature
- 25.2°C
- Distance from shore
- 4.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 42 m – 128 m
- Sea-surface temperature
- 24.4°C – 25.2°C
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.