Polyphemus - † – Residency
6th sighting in Salish Sea
Polyphemus - † @29832
Aug 23 – Sep 21, 2020 · Salish Sea
Salish Sea · Aug – Sep 2020
126 m
Deepest dive
4:32
Longest dive
87
Dives
- Sightings
- 4
- Days between first and last sighting
- 30
- Deepest dive on record
- 126 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 23, 2020 | 173 m | — | 39 m |
| Aug 24, 2020 | 185 m | — | 126 m |
| Sep 21, 2020 | 168 m | — | 50 m |
| Sep 21, 2020 | 175 m | — | 91 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
126 m
Deepest dive
4:32
Longest dive
87
Dives
28 m
Avg dive depth
4
Sightings
30
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 (185 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 24, 2020
measured- Seafloor depth
- 185 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 168 m – 185 m
- Sea-surface temperature
- —
- Distance from shore
- 8.0 km – 11.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.