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

Fan – Residency

15th sighting in Gulf of Maine
Fluke of Fan
Fan Confirmed in the catalog @4768
Jun 9 – Sep 22, 2023 · Gulf of Maine

Gulf of Maine · Jun – Sep 2023

68 m
Deepest dive
2:31
Longest dive
96
Dives
Sightings
4
Days between first and last sighting
105

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 9, 202365 m—58 m
Jul 15, 202356 m—45 m
Aug 3, 202346 m—31 m
Sep 22, 202387 m—68 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 9, 2023 — seafloor 65 m (measured), deepest dive 58 m (modelled)Jun 9Jul 15, 2023 — seafloor 56 m (measured), deepest dive 45 m (modelled)Jul 15Aug 3, 2023 — seafloor 46 m (measured), deepest dive 31 m (modelled)Aug 3Sep 22, 2023 — seafloor 87 m (measured), deepest dive 68 m (modelled)Sep 22

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

Dives

68 m
Deepest dive
2:31
Longest dive
96
Dives
20 m
Avg dive depth
4
Sightings
105
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010068 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (87 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 · Sep 22, 2023

measured
Seafloor depth
87 m
Sea-surface temperature
—
Distance from shore
18.0 km

Across the residency · 4 sightings

measured
Seafloor depth
46 m – 87 m
Sea-surface temperature
—
Distance from shore
5.0 km – 109.0 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 4 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.