Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of Maine

Blanco – Residency

19th sighting in Gulf of Maine
Fluke of Blanco
Blanco Confirmed in the catalog @7753
Jul 17 – Sep 2, 2026 · Gulf of Maine

Full Season on the Ledges

Whole late summer parked on my banks, crowd never thinned.

70 m
Deepest dive
3:02
Longest dive
113
Dives
Sightings
9
Days between first and last sighting
47

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 17, 202658 m11.9°C51 m
Jul 18, 202677 m12.0°C16 m
Jul 26, 202682 m15.0°C70 m
Aug 7, 2026107 m15.0°C47 m
Aug 9, 202625 m17.8°C21 m
Aug 21, 202680 m15.3°C43 m
Aug 26, 2026134 m17.8°C67 m
Sep 1, 202617 m14.3°C14 m
Sep 2, 2026119 m14.5°C55 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jul 17, 2026 — seafloor 58 m (measured), deepest dive 51 m (modelled)Jul 17Jul 18, 2026 — seafloor 77 m (measured), deepest dive 16 m (modelled)Jul 18Jul 26, 2026 — seafloor 82 m (measured), deepest dive 70 m (modelled)Jul 26Aug 7, 2026 — seafloor 107 m (measured), deepest dive 47 m (modelled)Aug 7Aug 9, 2026 — seafloor 25 m (measured), deepest dive 21 m (modelled)Aug 9Aug 21, 2026 — seafloor 80 m (measured), deepest dive 43 m (modelled)Aug 21Aug 26, 2026 — seafloor 134 m (measured), deepest dive 67 m (modelled)Aug 26Sep 1, 2026 — seafloor 17 m (measured), deepest dive 14 m (modelled)Sep 1Sep 2, 2026 — seafloor 119 m (measured), deepest dive 55 m (modelled)Sep 2

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

70 m
Deepest dive
3:02
Longest dive
113
Dives
18 m
Avg dive depth
9
Sightings
47
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010070 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (82 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jul 26, 2026

measured
Seafloor depth
82 m
Sea-surface temperature
15.0°C
Distance from shore
5.0 km

Across the residency · 9 sightings

measured
Seafloor depth
17 m – 134 m
Sea-surface temperature
11.9°C – 17.8°C
Distance from shore
2.0 km – 10.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 9 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.