2025-2026 calf of HW-MN0420438 – Residency
2nd sighting in Au'au Channel
2025-2026 calf of HW-MN0420438 @153071
Jan 4 – Feb 18, 2026 · Au'au Channel
Au'au Channel · Jan – Feb 2026
56 m
Deepest dive
2:21
Longest dive
38
Dives
- Sightings
- 2
- Days between first and last sighting
- 45
- Deepest dive on record
- 56 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 4, 2026 | 64 m | 25.5°C | 56 m |
| Feb 18, 2026 | 65 m | 24.6°C | 45 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
56 m
Deepest dive
2:21
Longest dive
38
Dives
20 m
Avg dive depth
2
Sightings
45
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 (64 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 4, 2026
measured- Seafloor depth
- 64 m
- Sea-surface temperature
- 25.5°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 64 m – 65 m
- Sea-surface temperature
- 24.6°C – 25.5°C
- Distance from shore
- 4.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.