Caspian/Tattoo – Residency
29th sighting in Salish Sea
Caspian/Tattoo @7032
Aug 21 – Oct 11, 2026 · Salish Sea
Herring, Kelp, and Old Water
August in these green channels never asks me for a reason.
143 m
Deepest dive
4:58
Longest dive
76
Dives
- Sightings
- 7
- Days between first and last sighting
- 51
- Deepest dive on record
- 143 m · this residency
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, 2026 | 166 m | 14.9°C | 99 m |
| Aug 23, 2026 | 134 m | 14.4°C | 52 m |
| Sep 22, 2026 | 135 m | 14.8°C | 64 m |
| Sep 22, 2026 | 174 m | 14.8°C | 116 m |
| Sep 22, 2026 | 173 m | 14.9°C | 105 m |
| Oct 4, 2026 | 115 m | 13.7°C | 46 m |
| Oct 11, 2026 | 158 m | 10.2°C | 143 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
143 m
Deepest dive
4:58
Longest dive
76
Dives
28 m
Avg dive depth
7
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 (158 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 11, 2026
measured- Seafloor depth
- 158 m
- Sea-surface temperature
- 10.2°C
- Distance from shore
- 7.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 115 m – 174 m
- Sea-surface temperature
- 10.2°C – 14.9°C
- Distance from shore
- 4.0 km – 9.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.