Casper – Residency
13th sighting in Chatham Strait
Casper @26833
Apr 19 – Dec 3, 2022 · Chatham Strait
Chatham Strait · Apr – Dec 2022
172 m
Deepest dive
5:57
Longest dive
92
Dives
- Sightings
- 8
- Days between first and last sighting
- 228
- Deepest dive on record
- 172 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) |
|---|---|---|---|
| Apr 19, 2022 | 34 m | 5.1°C | 30 m |
| May 30, 2022 | 63 m | 9.5°C | 48 m |
| May 31, 2022 | 88 m | 9.6°C | 58 m |
| Jun 27, 2022 | 370 m | 11.9°C | 64 m |
| Jun 28, 2022 | 406 m | 11.6°C | 172 m |
| Aug 28, 2022 | 134 m | 14.3°C | 91 m |
| Sep 5, 2022 | 292 m | 13.5°C | 67 m |
| Dec 3, 2022 | 66 m | 5.3°C | 49 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
172 m
Deepest dive
5:57
Longest dive
92
Dives
29 m
Avg dive depth
8
Sightings
228
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 (406 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 28, 2022
measured- Seafloor depth
- 406 m
- Sea-surface temperature
- 11.6°C
- Distance from shore
- 6.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 34 m – 406 m
- Sea-surface temperature
- 5.1°C – 14.3°C
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.