2025-2026 calf of Rumi – Residency
5th sighting in Au'au Channel2025-2026 calf of Rumi @149438
Nov 13 – Dec 7, 2025 · Au'au Channel
Au'au Channel · Nov – Dec 2025
59 m
Deepest dive
2:34
Longest dive
57
Dives
- Sightings
- 5
- Days between first and last sighting
- 24
- Deepest dive on record
- 59 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) |
|---|---|---|---|
| Nov 13, 2025 | 57 m | — | 38 m |
| Nov 25, 2025 | 29 m | — | 18 m |
| Nov 30, 2025 | 88 m | — | 59 m |
| Dec 4, 2025 | 68 m | — | 34 m |
| Dec 7, 2025 | 103 m | — | 47 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
59 m
Deepest dive
2:34
Longest dive
57
Dives
18 m
Avg dive depth
5
Sightings
24
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 (88 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 30, 2025
measured- Seafloor depth
- 88 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 29 m – 103 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.