Harlequin – Residency
9th sighting in Salish Sea
Harlequin @28211
Jul 22 – Oct 4, 2025 · Salish Sea
Salish Sea · Jul – Oct 2025
62 m
Deepest dive
2:49
Longest dive
30
Dives
- Sightings
- 5
- Days between first and last sighting
- 74
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 22, 2025 | 204 m | — | 60 m |
| Jul 23, 2025 | 67 m | — | 37 m |
| Jul 31, 2025 | 190 m | — | 20 m |
| Aug 8, 2025 | 333 m | — | 45 m |
| Oct 4, 2025 | 200 m | — | 62 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
62 m
Deepest dive
2:49
Longest dive
30
Dives
17 m
Avg dive depth
5
Sightings
74
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 (200 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 4, 2025
measured- Seafloor depth
- 200 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 67 m – 333 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.