Trident – Residency
62nd sighting in Salish Sea
Trident @7058
Jul 7 – Sep 13, 2025 · Salish Sea
Salish Sea · Jul – Sep 2025
98 m
Deepest dive
3:39
Longest dive
74
Dives
- Sightings
- 6
- 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 7, 2025 | 103 m | 11.6°C | 66 m |
| Jul 26, 2025 | 106 m | 15.1°C | 40 m |
| Jul 26, 2025 | 138 m | 15.1°C | 90 m |
| Aug 5, 2025 | 108 m | 15.3°C | 98 m |
| Aug 7, 2025 | 70 m | 14.9°C | 62 m |
| Sep 13, 2025 | 115 m | 14.2°C | 55 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
98 m
Deepest dive
3:39
Longest dive
74
Dives
30 m
Avg dive depth
6
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 (108 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 5, 2025
measured- Seafloor depth
- 108 m
- Sea-surface temperature
- 15.3°C
- Distance from shore
- 8.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 70 m – 138 m
- Sea-surface temperature
- 11.6°C – 15.3°C
- Distance from shore
- 5.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.