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

Startrail – Residency

4th sighting in Gulf of Maine
Fluke of Startrail
Startrail Confirmed in the catalog @22185
Jul 1 – Aug 9, 2023 · Gulf of Maine

Gulf of Maine · Jul – Aug 2023

58 m
Deepest dive
2:07
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
39
Deepest dive on record
58 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 1, 202398 m—58 m
Jul 3, 202373 m—58 m
Aug 9, 202346 m—32 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
Jul 1, 2023 — seafloor 98 m (measured), deepest dive 58 m (modelled)Jul 1Jul 3, 2023 — seafloor 73 m (measured), deepest dive 58 m (modelled)Jul 3Aug 9, 2023 — seafloor 46 m (measured), deepest dive 32 m (modelled)Aug 9

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

Dives

58 m
Deepest dive
2:07
Longest dive
35
Dives
20 m
Avg dive depth
3
Sightings
39
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 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 1, 2023

measured
Seafloor depth
98 m
Sea-surface temperature
—
Distance from shore
29.0 km

Across the residency · 3 sightings

measured
Seafloor depth
46 m – 98 m
Sea-surface temperature
—
Distance from shore
9.0 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 3 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.