Telson – Residency
9th sighting in Salish Sea
Telson @104371
Jul 7 – Sep 1, 2025 · Salish Sea
Salish Sea · Jul – Sep 2025
66 m
Deepest dive
2:47
Longest dive
58
Dives
- Sightings
- 4
- Days between first and last sighting
- 56
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 7, 2025 | 109 m | — | 66 m |
| Jul 16, 2025 | 90 m | — | 66 m |
| Jul 24, 2025 | 82 m | — | 31 m |
| Sep 1, 2025 | 31 m | — | 28 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
66 m
Deepest dive
2:47
Longest dive
58
Dives
19 m
Avg dive depth
4
Sightings
56
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 (109 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 7, 2025
measured- Seafloor depth
- 109 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 31 m – 109 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.