Bolo – Residency
11th sighting in Chatham Strait
Bolo @21031
Jul 24 – Sep 29, 2025 · Chatham Strait
Chatham Strait · Jul – Sep 2025
78 m
Deepest dive
2:56
Longest dive
38
Dives
- Sightings
- 3
- Days between first and last sighting
- 68
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 24, 2025 | 159 m | 13.9°C | 78 m |
| Jul 26, 2025 | 88 m | 12.8°C | 73 m |
| Sep 29, 2025 | 208 m | 11.7°C | 75 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
78 m
Deepest dive
2:56
Longest dive
38
Dives
32 m
Avg dive depth
3
Sightings
68
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2025
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 13.9°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 88 m – 208 m
- Sea-surface temperature
- 11.7°C – 13.9°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.