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

Pylon – Residency

34th sighting in Gulf of Maine
Fluke of Pylon
Pylon Confirmed in the catalog @10665
Jul 17 – Aug 21, 2026 · Gulf of Maine

Deep Summer on the Shelf

Whole late summer parked over the good water, fish thick, birds jealous.

89 m
Deepest dive
4:08
Longest dive
131
Dives
Sightings
11
Days between first and last sighting
35

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 17, 202658 m11.9°C46 m
Jul 24, 202645 m13.2°C27 m
Jul 26, 202645 m14.4°C26 m
Aug 1, 202695 m14.5°C73 m
Aug 5, 202659 m14.5°C49 m
Aug 6, 202615 m14.7°C13 m
Aug 7, 2026107 m15.0°C89 m
Aug 12, 202619 m17.1°C11 m
Aug 16, 202652 m13.4°C39 m
Aug 18, 2026106 m12.2°C51 m
Aug 21, 202680 m15.3°C47 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 17, 2026 — seafloor 58 m (measured), deepest dive 46 m (modelled)Jul 17Jul 24, 2026 — seafloor 45 m (measured), deepest dive 27 m (modelled)Jul 24Jul 26, 2026 — seafloor 45 m (measured), deepest dive 26 m (modelled)Jul 26Aug 1, 2026 — seafloor 95 m (measured), deepest dive 73 m (modelled)Aug 1Aug 5, 2026 — seafloor 59 m (measured), deepest dive 49 m (modelled)Aug 5Aug 6, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Aug 6Aug 7, 2026 — seafloor 107 m (measured), deepest dive 89 m (modelled)Aug 7Aug 12, 2026 — seafloor 19 m (measured), deepest dive 11 m (modelled)Aug 12Aug 16, 2026 — seafloor 52 m (measured), deepest dive 39 m (modelled)Aug 16Aug 18, 2026 — seafloor 106 m (measured), deepest dive 51 m (modelled)Aug 18Aug 21, 2026 — seafloor 80 m (measured), deepest dive 47 m (modelled)Aug 21

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

Dives

89 m
Deepest dive
4:08
Longest dive
131
Dives
20 m
Avg dive depth
11
Sightings
35
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010089 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 7, 2026

measured
Seafloor depth
107 m
Sea-surface temperature
15.0°C
Distance from shore
4.0 km

Across the residency · 11 sightings

measured
Seafloor depth
15 m – 107 m
Sea-surface temperature
11.9°C – 17.1°C
Distance from shore
1.0 km – 15.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 11 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.