Boreophausia – Residency
11th sighting in Chatham Strait
Boreophausia @5850
Jul 25 – Sep 3, 2021 · Chatham Strait
Chatham Strait · Jul – Sep 2021
254 m
Deepest dive
7:54
Longest dive
69
Dives
- Sightings
- 7
- Days between first and last sighting
- 40
- Deepest dive on record
- 254 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 25, 2021 | 93 m | 12.2°C | 81 m |
| Aug 5, 2021 | 138 m | 14.1°C | 56 m |
| Aug 14, 2021 | 204 m | 10.1°C | 45 m |
| Aug 14, 2021 | 93 m | 10.1°C | 57 m |
| Aug 21, 2021 | 121 m | 13.2°C | 26 m |
| Aug 27, 2021 | 38 m | 9.6°C | 32 m |
| Sep 3, 2021 | 381 m | 11.5°C | 254 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
254 m
Deepest dive
7:54
Longest dive
69
Dives
25 m
Avg dive depth
7
Sightings
40
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 (381 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 3, 2021
measured- Seafloor depth
- 381 m
- Sea-surface temperature
- 11.5°C
- Distance from shore
- 7.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 38 m – 381 m
- Sea-surface temperature
- 9.6°C – 14.1°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 7 catalogued encounters on Happywhale.