MERS-BCXuk2024#15 – Residency
3rd sighting in Salish Sea
MERS-BCXuk2024#15 @125583
Jul 20 – Sep 29, 2025 · Salish Sea
Salish Sea · Jul – Sep 2025
146 m
Deepest dive
5:12
Longest dive
39
Dives
- Sightings
- 2
- Days between first and last sighting
- 71
- Deepest dive on record
- 146 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) |
|---|---|---|---|
| Jul 20, 2025 | 108 m | — | 98 m |
| Sep 29, 2025 | 248 m | — | 146 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
146 m
Deepest dive
5:12
Longest dive
39
Dives
34 m
Avg dive depth
2
Sightings
71
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 (248 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 29, 2025
measured- Seafloor depth
- 248 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 108 m – 248 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.