Hasselback – Residency
6th sighting in Gulf of Maine
Hasselback @20048
Jul 25 – 27, 2026 · Gulf of Maine
Green Water, Good Company
Turned up twice this month, never once ate alone.
35 m
Deepest dive
1:21
Longest dive
17
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 25, 2026 | 28 m | 18.4°C | 24 m |
| Jul 27, 2026 | 72 m | 19.3°C | 35 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
35 m
Deepest dive
1:21
Longest dive
17
Dives
14 m
Avg dive depth
2
Sightings
2
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 27, 2026
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- 19.3°C
- Distance from shore
- 29.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 28 m – 72 m
- Sea-surface temperature
- 18.4°C – 19.3°C
- Distance from shore
- 25.0 km – 29.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.