Callahan – Residency
9th sighting in Clarence StraitCallahan @53654
Aug 27 – Sep 10, 2026 · Clarence Strait
Early Autumn, Easy Water
Cold water, full belly, no company needed but my own.
62 m
Deepest dive
2:29
Longest dive
39
Dives
- Sightings
- 3
- Days between first and last sighting
- 14
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 27, 2026 | 97 m | 14.5°C | 62 m |
| Aug 28, 2026 | 32 m | 14.6°C | 28 m |
| Sep 10, 2026 | 39 m | 13.7°C | 32 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
2:29
Longest dive
39
Dives
18 m
Avg dive depth
3
Sightings
14
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 (97 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 27, 2026
measured- Seafloor depth
- 97 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 32 m – 97 m
- Sea-surface temperature
- 13.7°C – 14.6°C
- Distance from shore
- 1.0 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.