Boreophausia – Residency
22nd sighting in Chatham Strait
Boreophausia @5850
Jul 11 – 29, 2023 · Chatham Strait
Chatham Strait · Jul 2023
119 m
Deepest dive
3:42
Longest dive
63
Dives
- Sightings
- 7
- Days between first and last sighting
- 18
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 11, 2023 | 41 m | 11.9°C | 36 m |
| Jul 12, 2023 | 64 m | 12.1°C | 49 m |
| Jul 14, 2023 | 64 m | 13.1°C | 57 m |
| Jul 15, 2023 | 66 m | 13.0°C | 58 m |
| Jul 24, 2023 | 145 m | 12.5°C | 119 m |
| Jul 28, 2023 | 100 m | 12.9°C | 56 m |
| Jul 29, 2023 | 91 m | 14.3°C | 41 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
119 m
Deepest dive
3:42
Longest dive
63
Dives
24 m
Avg dive depth
7
Sightings
18
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 (145 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2023
measured- Seafloor depth
- 145 m
- Sea-surface temperature
- 12.5°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 41 m – 145 m
- Sea-surface temperature
- 11.9°C – 14.3°C
- Distance from shore
- 1.0 km – 4.0 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.