Gollum – Residency
5th sighting in Monterey Bay
Gollum @2452
Sep 2 – 9, 2023 · Monterey Bay
Monterey Bay · Sep 2023
56 m
Deepest dive
2:05
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 7
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 2, 2023 | 1,471 m | 17.2°C | 56 m |
| Sep 9, 2023 | 20 m | 16.3°C | 18 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
56 m
Deepest dive
2:05
Longest dive
19
Dives
16 m
Avg dive depth
2
Sightings
7
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 (1,471 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 2, 2023
measured- Seafloor depth
- 1,471 m
- Sea-surface temperature
- 17.2°C
- Distance from shore
- 16.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 20 m – 1,471 m
- Sea-surface temperature
- 16.3°C – 17.2°C
- Distance from shore
- 16.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.