Viper – Residency
5th sighting in Chatham Strait
Viper @6410
Jul 16 – Oct 10, 2026 · Chatham Strait
Chatham Strait, naturally
Krill thick, water familiar-good, name's Viper and I'm thriving.
145 m
Deepest dive
5:06
Longest dive
24
Dives
- Sightings
- 3
- Days between first and last sighting
- 86
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 16, 2026 | 204 m | 13.0°C | 99 m |
| Oct 3, 2026 | 211 m | 10.4°C | 145 m |
| Oct 10, 2026 | 142 m | 9.6°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
145 m
Deepest dive
5:06
Longest dive
24
Dives
29 m
Avg dive depth
3
Sightings
86
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 (211 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 3, 2026
measured- Seafloor depth
- 211 m
- Sea-surface temperature
- 10.4°C
- Distance from shore
- —
Across the residency · 3 sightings
measured- Seafloor depth
- 142 m – 211 m
- Sea-surface temperature
- 9.6°C – 13.0°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 3 catalogued encounters on Happywhale.