Manta – Residency
27th sighting in Salish Sea
Manta @1032
Sep 9 – Dec 23, 2025 · Salish Sea
Salish Sea · Sep – Dec 2025
78 m
Deepest dive
3:16
Longest dive
65
Dives
- Sightings
- 6
- Days between first and last sighting
- 105
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 9, 2025 | 90 m | 16.2°C | 75 m |
| Oct 20, 2025 | 25 m | 10.7°C | 20 m |
| Nov 26, 2025 | 74 m | 9.8°C | 63 m |
| Nov 29, 2025 | 71 m | 10.0°C | 48 m |
| Nov 30, 2025 | 209 m | 9.9°C | 54 m |
| Dec 23, 2025 | 148 m | 9.4°C | 78 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
78 m
Deepest dive
3:16
Longest dive
65
Dives
24 m
Avg dive depth
6
Sightings
105
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 (148 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 23, 2025
measured- Seafloor depth
- 148 m
- Sea-surface temperature
- 9.4°C
- Distance from shore
- 2.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 25 m – 209 m
- Sea-surface temperature
- 9.4°C – 16.2°C
- Distance from shore
- 1.0 km – 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.