Malthusian – Residency
8th sighting in Glacier Bay & Icy Strait
Malthusian @18600
Aug 27 – Oct 17, 2021 · Glacier Bay & Icy Strait
Glacier Bay & Icy Strait · Aug – Oct 2021
31 m
Deepest dive
1:16
Longest dive
18
Dives
- Sightings
- 2
- Days between first and last sighting
- 51
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 27, 2021 | 116 m | 12.3°C | 28 m |
| Oct 17, 2021 | 171 m | 6.9°C | 31 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
31 m
Deepest dive
1:16
Longest dive
18
Dives
13 m
Avg dive depth
2
Sightings
51
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 (171 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 17, 2021
measured- Seafloor depth
- 171 m
- Sea-surface temperature
- 6.9°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 116 m – 171 m
- Sea-surface temperature
- 6.9°C – 12.3°C
- Distance from shore
- 1.0 km – 2.0 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.