Gossamer – Residency
4th sighting in Salish Sea
Gossamer @106332
Aug 10 – 19, 2025 · Salish Sea
Salish Sea · Aug 2025
156 m
Deepest dive
4:52
Longest dive
37
Dives
- Sightings
- 3
- Days between first and last sighting
- 9
- Deepest dive on record
- 156 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 10, 2025 | 27 m | — | 25 m |
| Aug 14, 2025 | 172 m | — | 156 m |
| Aug 19, 2025 | 163 m | — | 42 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
156 m
Deepest dive
4:52
Longest dive
37
Dives
27 m
Avg dive depth
3
Sightings
9
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 (172 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 14, 2025
measured- Seafloor depth
- 172 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 27 m – 172 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 11.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.