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

Tusk – Residency

10th sighting in Gulf of Maine
Fluke of Tusk
Tusk Confirmed in the catalog @7307
Jun 28 – Oct 1, 2022 · Gulf of Maine

Gulf of Maine · Jun – Oct 2022

95 m
Deepest dive
3:39
Longest dive
84
Dives
Sightings
7
Days between first and last sighting
95

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 28, 202278 m—41 m
Jul 7, 202234 m—25 m
Jul 9, 2022145 m—60 m
Aug 3, 202278 m—45 m
Aug 6, 2022107 m—95 m
Aug 29, 202224 m—21 m
Oct 1, 202229 m—12 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 28, 2022 — seafloor 78 m (measured), deepest dive 41 m (modelled)Jun 28Jul 7, 2022 — seafloor 34 m (measured), deepest dive 25 m (modelled)Jul 7Jul 9, 2022 — seafloor 145 m (measured), deepest dive 60 m (modelled)Jul 9Aug 3, 2022 — seafloor 78 m (measured), deepest dive 45 m (modelled)Aug 3Aug 6, 2022 — seafloor 107 m (measured), deepest dive 95 m (modelled)Aug 6Aug 29, 2022 — seafloor 24 m (measured), deepest dive 21 m (modelled)Aug 29Oct 1, 2022 — seafloor 29 m (measured), deepest dive 12 m (modelled)Oct 1

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

Dives

95 m
Deepest dive
3:39
Longest dive
84
Dives
19 m
Avg dive depth
7
Sightings
95
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010095 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 6, 2022

measured
Seafloor depth
107 m
Sea-surface temperature
—
Distance from shore
15.0 km

Across the residency · 7 sightings

measured
Seafloor depth
24 m – 145 m
Sea-surface temperature
—
Distance from shore
3.0 km – 19.0 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 7 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.