Hydra – Residency
17th sighting in Salish Sea
Hydra @4666
Aug 21 – Nov 3, 2019 · Salish Sea
Salish Sea · Aug – Nov 2019
99 m
Deepest dive
4:18
Longest dive
113
Dives
- Sightings
- 10
- Days between first and last sighting
- 74
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 21, 2019 | 147 m | 12.4°C | 80 m |
| Sep 4, 2019 | 148 m | 11.8°C | 37 m |
| Oct 14, 2019 | 158 m | 10.0°C | 70 m |
| Oct 22, 2019 | 108 m | 9.9°C | 99 m |
| Oct 23, 2019 | 108 m | 10.0°C | 54 m |
| Oct 26, 2019 | 176 m | 9.6°C | 39 m |
| Oct 31, 2019 | 91 m | 9.8°C | 66 m |
| Nov 1, 2019 | 101 m | 9.8°C | 81 m |
| Nov 2, 2019 | 90 m | 9.7°C | 67 m |
| Nov 3, 2019 | 45 m | 9.6°C | 38 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
99 m
Deepest dive
4:18
Longest dive
113
Dives
25 m
Avg dive depth
10
Sightings
74
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 (108 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 22, 2019
measured- Seafloor depth
- 108 m
- Sea-surface temperature
- 9.9°C
- Distance from shore
- 8.0 km
Across the residency · 10 sightings
measured- Seafloor depth
- 45 m – 176 m
- Sea-surface temperature
- 9.6°C – 12.4°C
- Distance from shore
- 6.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 10 catalogued encounters on Happywhale.