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

Bolide – Residency

11th sighting in Gulf of Maine
Fluke of Bolide
Bolide Confirmed in the catalog @17010
May 20 – Aug 12, 2023 · Gulf of Maine

Gulf of Maine · May – Aug 2023

47 m
Deepest dive
1:39
Longest dive
52
Dives
Sightings
5
Days between first and last sighting
84

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 20, 202327 m—22 m
May 23, 202322 m—18 m
Jun 26, 202357 m—34 m
Jul 17, 202319 m—14 m
Aug 12, 202356 m—47 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
May 20, 2023 — seafloor 27 m (measured), deepest dive 22 m (modelled)May 20May 23, 2023 — seafloor 22 m (measured), deepest dive 18 m (modelled)May 23Jun 26, 2023 — seafloor 57 m (measured), deepest dive 34 m (modelled)Jun 26Jul 17, 2023 — seafloor 19 m (measured), deepest dive 14 m (modelled)Jul 17Aug 12, 2023 — seafloor 56 m (measured), deepest dive 47 m (modelled)Aug 12

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

Dives

47 m
Deepest dive
1:39
Longest dive
52
Dives
14 m
Avg dive depth
5
Sightings
84
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (56 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.

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Place

Where this happened · Aug 12, 2023

measured
Seafloor depth
56 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 5 sightings

measured
Seafloor depth
19 m – 57 m
Sea-surface temperature
—
Distance from shore
5.0 km – 31.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 5 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).

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