Therefore – Residency
11th sighting in Gulf of MaineTherefore @17097
Jun 19 – Jul 19, 2026 · Gulf of Maine
One Bank, All Month
Sand eels thick, company everywhere, never had to look far.
69 m
Deepest dive
2:03
Longest dive
161
Dives
- Sightings
- 11
- Days between first and last sighting
- 30
- Deepest dive on record
- 69 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) |
|---|---|---|---|
| Jun 19, 2026 | 25 m | 16.0°C | 21 m |
| Jun 20, 2026 | 28 m | 15.9°C | 25 m |
| Jun 21, 2026 | 28 m | 15.3°C | 17 m |
| Jun 21, 2026 | 24 m | 15.5°C | 21 m |
| Jun 23, 2026 | 5 m | 19.7°C | 4 m |
| Jun 29, 2026 | 28 m | 17.9°C | 17 m |
| Jun 29, 2026 | 27 m | 17.8°C | 25 m |
| Jul 3, 2026 | 111 m | 19.8°C | 69 m |
| Jul 10, 2026 | 19 m | 20.7°C | 17 m |
| Jul 10, 2026 | 22 m | 20.7°C | 18 m |
| Jul 19, 2026 | 31 m | 19.3°C | 27 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
69 m
Deepest dive
2:03
Longest dive
161
Dives
13 m
Avg dive depth
11
Sightings
30
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 (111 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 3, 2026
measured- Seafloor depth
- 111 m
- Sea-surface temperature
- 19.8°C
- Distance from shore
- 14.0 km
Across the residency · 11 sightings
measured- Seafloor depth
- 5 m – 111 m
- Sea-surface temperature
- 15.3°C – 20.7°C
- Distance from shore
- 4.0 km – 25.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 11 catalogued encounters on Happywhale.