Striation – Residency
4th sighting in Gulf of Maine
Striation @13690
Jul 10 – Sep 15, 2026 · Gulf of Maine
Gulf Shelf Summer
Warm water, good company, the feeding was worth surfacing for.
58 m
Deepest dive
2:03
Longest dive
11
Dives
- Sightings
- 2
- Days between first and last sighting
- 67
- Deepest dive on record
- 58 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) |
|---|---|---|---|
| Jul 10, 2026 | 22 m | 20.7°C | 20 m |
| Sep 15, 2026 | 78 m | — | 58 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
58 m
Deepest dive
2:03
Longest dive
11
Dives
26 m
Avg dive depth
2
Sightings
67
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 (78 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 15, 2026
measured- Seafloor depth
- 78 m
- Sea-surface temperature
- —
- Distance from shore
- 22.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 22 m – 78 m
- Sea-surface temperature
- 20.7°C
- Distance from shore
- 12.0 km – 22.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.