Gollum – Residency
3rd sighting in Monterey Bay
Gollum @2452
Sep 9 – 14, 1999 · Monterey Bay
Monterey Bay · Sep 1999
86 m
Deepest dive
3:09
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 5
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 9, 1999 | 105 m | 13.5°C | 86 m |
| Sep 14, 1999 | 93 m | 14.2°C | 72 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
86 m
Deepest dive
3:09
Longest dive
23
Dives
33 m
Avg dive depth
2
Sightings
5
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 (105 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 9, 1999
measured- Seafloor depth
- 105 m
- Sea-surface temperature
- 13.5°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 93 m – 105 m
- Sea-surface temperature
- 13.5°C – 14.2°C
- Distance from shore
- 2.0 km – 13.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.