Trident – Residency
55th sighting in Salish Sea
Trident @7058
Jul 15 – Oct 8, 2023 · Salish Sea
Salish Sea · Jul – Oct 2023
135 m
Deepest dive
5:56
Longest dive
151
Dives
- Sightings
- 12
- Days between first and last sighting
- 85
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 15, 2023 | 144 m | 12.0°C | 113 m |
| Jul 22, 2023 | 159 m | 12.2°C | 135 m |
| Jul 26, 2023 | 95 m | 12.3°C | 70 m |
| Jul 28, 2023 | 95 m | 12.4°C | 87 m |
| Jul 30, 2023 | 75 m | 12.2°C | 66 m |
| Aug 3, 2023 | 55 m | 12.0°C | 37 m |
| Aug 17, 2023 | 158 m | 12.8°C | 106 m |
| Aug 20, 2023 | 115 m | 13.0°C | 79 m |
| Aug 28, 2023 | 110 m | 12.2°C | 73 m |
| Sep 4, 2023 | 168 m | 11.5°C | 68 m |
| Sep 9, 2023 | 126 m | 11.7°C | 38 m |
| Oct 8, 2023 | 101 m | 11.7°C | 52 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
135 m
Deepest dive
5:56
Longest dive
151
Dives
32 m
Avg dive depth
12
Sightings
85
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 22, 2023
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 12.2°C
- Distance from shore
- 8.0 km
Across the residency · 12 sightings
measured- Seafloor depth
- 55 m – 168 m
- Sea-surface temperature
- 11.5°C – 13.0°C
- Distance from shore
- 2.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 12 catalogued encounters on Happywhale.