Sea Dragon – Residency
2nd sighting in Chatham Strait
Sea Dragon @6153
Jun 28 – Sep 17, 2026 · Chatham Strait
Chatham Strait, Two Looks
Whole summer stretched between my sightings, calf trailing my dive every time.
52 m
Deepest dive
2:10
Longest dive
14
Dives
- Sightings
- 2
- Days between first and last sighting
- 81
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 28, 2026 | 34 m | 11.8°C | 28 m |
| Sep 17, 2026 | 117 m | — | 52 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
52 m
Deepest dive
2:10
Longest dive
14
Dives
17 m
Avg dive depth
2
Sightings
81
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 (117 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 17, 2026
measured- Seafloor depth
- 117 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 34 m – 117 m
- Sea-surface temperature
- 11.8°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.