Black Rakes – Residency
4th sighting in Monterey Bay
Black Rakes @1138
Sep 10 – Nov 3, 2023 · Monterey Bay
Monterey Bay · Sep – Nov 2023
170 m
Deepest dive
6:18
Longest dive
41
Dives
- Sightings
- 5
- Days between first and last sighting
- 54
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 10, 2023 | 144 m | 16.2°C | 31 m |
| Oct 4, 2023 | 208 m | 18.2°C | 6 m |
| Oct 26, 2023 | 752 m | 19.5°C | 74 m |
| Oct 27, 2023 | 578 m | 19.2°C | 170 m |
| Nov 3, 2023 | 887 m | 19.3°C | 81 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
170 m
Deepest dive
6:18
Longest dive
41
Dives
23 m
Avg dive depth
5
Sightings
54
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 (578 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 27, 2023
measured- Seafloor depth
- 578 m
- Sea-surface temperature
- 19.2°C
- Distance from shore
- 11.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 144 m – 887 m
- Sea-surface temperature
- 16.2°C – 19.5°C
- Distance from shore
- 11.0 km – 15.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.