Chief – Residency
5th sighting in Gulf of California
Chief @3365
Jan 16 – Feb 20, 2026 · Gulf of California
Back to Familiar Waters
The Gulf knows me well, and I know every current here.
154 m
Deepest dive
4:17
Longest dive
25
Dives
- Sightings
- 4
- Days between first and last sighting
- 35
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jan 16, 2026 | 83 m | 26.0°C | 52 m |
| Jan 21, 2026 | 158 m | 25.8°C | 39 m |
| Feb 20, 2026 | 327 m | 22.8°C | 154 m |
| Feb 20, 2026 | 111 m | 22.9°C | 48 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
154 m
Deepest dive
4:17
Longest dive
25
Dives
24 m
Avg dive depth
4
Sightings
35
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 (327 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 20, 2026
measured- Seafloor depth
- 327 m
- Sea-surface temperature
- 22.8°C
- Distance from shore
- 4.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 83 m – 327 m
- Sea-surface temperature
- 22.8°C – 26.0°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 4 catalogued encounters on Happywhale.