Chromosome – Residency
24th sighting in Glacier Bay & Icy Strait
Chromosome @15642
May 30 – Aug 15, 2025 · Glacier Bay & Icy Strait
Glacier Bay & Icy Strait · May – Aug 2025
91 m
Deepest dive
3:41
Longest dive
102
Dives
- Sightings
- 8
- Days between first and last sighting
- 77
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 30, 2025 | 68 m | 8.9°C | 31 m |
| Jun 3, 2025 | 64 m | 8.8°C | 53 m |
| Jun 21, 2025 | 250 m | 11.4°C | 54 m |
| Jun 23, 2025 | 250 m | 11.6°C | 91 m |
| Jun 30, 2025 | 127 m | 11.8°C | 85 m |
| Jul 31, 2025 | 182 m | 14.5°C | 84 m |
| Aug 5, 2025 | 68 m | 14.5°C | 56 m |
| Aug 15, 2025 | 35 m | 13.9°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
91 m
Deepest dive
3:41
Longest dive
102
Dives
22 m
Avg dive depth
8
Sightings
77
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 (250 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 23, 2025
measured- Seafloor depth
- 250 m
- Sea-surface temperature
- 11.6°C
- Distance from shore
- —
Across the residency · 8 sightings
measured- Seafloor depth
- 35 m – 250 m
- Sea-surface temperature
- 8.8°C – 14.5°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.