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

Mend – Residency

8th sighting in Gulf of Maine
Fluke of Mend
Mend Confirmed in the catalog @17058
Jun 26 – Sep 12, 2023 · Gulf of Maine

Gulf of Maine · Jun – Sep 2023

54 m
Deepest dive
2:13
Longest dive
105
Dives
Sightings
7
Days between first and last sighting
78

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 26, 202357 m—45 m
Jul 3, 202373 m—54 m
Jul 28, 202346 m—42 m
Aug 4, 202360 m—41 m
Aug 9, 20236 m—5 m
Sep 11, 202340 m—36 m
Sep 12, 202350 m—28 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 26, 2023 — seafloor 57 m (measured), deepest dive 45 m (modelled)Jun 26Jul 3, 2023 — seafloor 73 m (measured), deepest dive 54 m (modelled)Jul 3Jul 28, 2023 — seafloor 46 m (measured), deepest dive 42 m (modelled)Jul 28Aug 4, 2023 — seafloor 60 m (measured), deepest dive 41 m (modelled)Aug 4Aug 9, 2023 — seafloor 6 m (measured), deepest dive 5 m (modelled)Aug 9Sep 11, 2023 — seafloor 40 m (measured), deepest dive 36 m (modelled)Sep 11Sep 12, 2023 — seafloor 50 m (measured), deepest dive 28 m (modelled)Sep 12

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

Dives

54 m
Deepest dive
2:13
Longest dive
105
Dives
17 m
Avg dive depth
7
Sightings
78
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010054 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (73 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 · Jul 3, 2023

measured
Seafloor depth
73 m
Sea-surface temperature
—
Distance from shore
34.0 km

Across the residency · 7 sightings

measured
Seafloor depth
6 m – 73 m
Sea-surface temperature
—
Distance from shore
5.0 km – 34.0 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.