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

Maelstrom – Residency

8th sighting in Gulf of Maine
Fluke of Maelstrom
Maelstrom Confirmed in the catalog @10592
Jun 5 – Jul 31, 2024 · Gulf of Maine

Gulf of Maine · Jun – Jul 2024

49 m
Deepest dive
2:20
Longest dive
20
Dives
Sightings
2
Days between first and last sighting
56

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 5, 2024113 m—49 m
Jul 31, 202430 m—19 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
Jun 5, 2024 — seafloor 113 m (measured), deepest dive 49 m (modelled)Jun 5Jul 31, 2024 — seafloor 30 m (measured), deepest dive 19 m (modelled)Jul 31

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

Dives

49 m
Deepest dive
2:20
Longest dive
20
Dives
17 m
Avg dive depth
2
Sightings
56
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (113 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 · Jun 5, 2024

measured
Seafloor depth
113 m
Sea-surface temperature
—
Distance from shore
24.0 km

Across the residency · 2 sightings

measured
Seafloor depth
30 m – 113 m
Sea-surface temperature
—
Distance from shore
4.0 km – 24.0 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 2 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.