Deca – Residency
18th sighting in Salish Sea
Deca @53274
Jul 18 – Oct 13, 2025 · Salish Sea
Salish Sea · Jul – Oct 2025
203 m
Deepest dive
6:37
Longest dive
103
Dives
- Sightings
- 7
- Days between first and last sighting
- 87
- Deepest dive on record
- 203 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 18, 2025 | 33 m | — | 11 m |
| Jul 23, 2025 | 67 m | — | 49 m |
| Aug 26, 2025 | 242 m | — | 63 m |
| Sep 3, 2025 | 157 m | — | 131 m |
| Sep 18, 2025 | 334 m | — | 203 m |
| Sep 19, 2025 | 31 m | — | 21 m |
| Oct 13, 2025 | 413 m | — | 104 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
203 m
Deepest dive
6:37
Longest dive
103
Dives
26 m
Avg dive depth
7
Sightings
87
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 (334 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 18, 2025
measured- Seafloor depth
- 334 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 31 m – 413 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.