HW-MN0521821 – Residency
5th sighting in Gulf of California
HW-MN0521821 @47588
Dec 17, 2025 – Feb 21, 2026 · Gulf of California
Gulf of California · Dec 2025 – Feb 2026
97 m
Deepest dive
3:51
Longest dive
48
Dives
- Sightings
- 3
- Days between first and last sighting
- 66
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 17, 2025 | 327 m | — | 77 m |
| Feb 21, 2026 | 687 m | 22.8°C | 97 m |
| Feb 21, 2026 | 784 m | 22.8°C | 53 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
97 m
Deepest dive
3:51
Longest dive
48
Dives
33 m
Avg dive depth
3
Sightings
66
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 (687 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 21, 2026
measured- Seafloor depth
- 687 m
- Sea-surface temperature
- 22.8°C
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 327 m – 784 m
- Sea-surface temperature
- 22.8°C
- Distance from shore
- 3.0 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.