Roller – Residency
6th sighting in Salish Sea
Roller @56060
Aug 18 – Sep 30, 2024 · Salish Sea
Salish Sea · Aug – Sep 2024
48 m
Deepest dive
2:26
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 43
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 18, 2024 | 119 m | 12.3°C | 42 m |
| Sep 30, 2024 | 145 m | 10.4°C | 48 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
48 m
Deepest dive
2:26
Longest dive
19
Dives
23 m
Avg dive depth
2
Sightings
43
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 (145 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 30, 2024
measured- Seafloor depth
- 145 m
- Sea-surface temperature
- 10.4°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 119 m – 145 m
- Sea-surface temperature
- 10.4°C – 12.3°C
- Distance from shore
- 5.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.