битум – Residency
8th sighting in Au'au Channelбитум @30928
Jan 27 – Feb 19, 2026 · Au'au Channel
Au'au Channel · Jan – Feb 2026
225 m
Deepest dive
7:00
Longest dive
46
Dives
- Sightings
- 5
- Days between first and last sighting
- 23
- Deepest dive on record
- 225 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) |
|---|---|---|---|
| Jan 27, 2026 | 1,634 m | 25.6°C | 79 m |
| Feb 7, 2026 | 1,139 m | 25.4°C | 225 m |
| Feb 10, 2026 | 48 m | 25.0°C | 44 m |
| Feb 12, 2026 | 58 m | 25.1°C | 40 m |
| Feb 19, 2026 | 94 m | 24.8°C | 79 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
225 m
Deepest dive
7:00
Longest dive
46
Dives
28 m
Avg dive depth
5
Sightings
23
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 (1,139 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 7, 2026
measured- Seafloor depth
- 1,139 m
- Sea-surface temperature
- 25.4°C
- Distance from shore
- 5.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 48 m – 1,634 m
- Sea-surface temperature
- 24.8°C – 25.6°C
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.