Cantus – Residency
2nd sighting in Gulf of the Farallones
Cantus @14931
Sep 22 – Nov 3, 2025 · Gulf of the Farallones
Gulf of the Farallones · Sep – Nov 2025
97 m
Deepest dive
3:19
Longest dive
43
Dives
- Sightings
- 3
- Days between first and last sighting
- 42
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 22, 2025 | 43 m | 16.7°C | 33 m |
| Sep 22, 2025 | 58 m | 16.8°C | 46 m |
| Nov 3, 2025 | 349 m | 13.7°C | 97 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
97 m
Deepest dive
3:19
Longest dive
43
Dives
20 m
Avg dive depth
3
Sightings
42
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 (349 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 3, 2025
measured- Seafloor depth
- 349 m
- Sea-surface temperature
- 13.7°C
- Distance from shore
- 15.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 43 m – 349 m
- Sea-surface temperature
- 13.7°C – 16.8°C
- Distance from shore
- 3.0 km – 15.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.