Ella Ruth – Residency
3rd sighting in Chatham Strait
Ella Ruth @14729
Aug 20 – Sep 28, 2025 · Chatham Strait
Chatham Strait · Aug – Sep 2025
38 m
Deepest dive
1:53
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 39
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 20, 2025 | 48 m | 13.7°C | 27 m |
| Sep 28, 2025 | 60 m | 12.2°C | 38 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
38 m
Deepest dive
1:53
Longest dive
23
Dives
16 m
Avg dive depth
2
Sightings
39
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 (60 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 28, 2025
measured- Seafloor depth
- 60 m
- Sea-surface temperature
- 12.2°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 48 m – 60 m
- Sea-surface temperature
- 12.2°C – 13.7°C
- Distance from shore
- 2.0 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.