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

Pylon – Residency

19th sighting in Gulf of Maine
Fluke of Pylon
Pylon Confirmed in the catalog @10665
May 26 – Sep 14, 2024 · Gulf of Maine

Gulf of Maine · May – Sep 2024

110 m
Deepest dive
4:16
Longest dive
115
Dives
Sightings
13
Days between first and last sighting
111

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 26, 2024211 m9.6°C76 m
Jun 11, 2024125 m10.5°C110 m
Jun 15, 2024126 m11.0°C32 m
Jun 21, 2024187 m13.0°C92 m
Jun 28, 202461 m10.6°C45 m
Jun 29, 202430 m11.1°C24 m
Jul 1, 202418 m13.3°C16 m
Jul 2, 202473 m13.2°C57 m
Jul 3, 202462 m13.1°C56 m
Jul 3, 202447 m13.2°C40 m
Jul 14, 202451 m14.0°C42 m
Aug 30, 202458 m15.9°C32 m
Sep 14, 2024146 m13.8°C57 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
May 26, 2024 — seafloor 211 m (measured), deepest dive 76 m (modelled)May 26Jun 11, 2024 — seafloor 125 m (measured), deepest dive 110 m (modelled)Jun 15, 2024 — seafloor 126 m (measured), deepest dive 32 m (modelled)Jun 21, 2024 — seafloor 187 m (measured), deepest dive 92 m (modelled)Jun 21Jun 28, 2024 — seafloor 61 m (measured), deepest dive 45 m (modelled)Jun 29, 2024 — seafloor 30 m (measured), deepest dive 24 m (modelled)Jul 1, 2024 — seafloor 18 m (measured), deepest dive 16 m (modelled)Jul 1Jul 2, 2024 — seafloor 73 m (measured), deepest dive 57 m (modelled)Jul 3, 2024 — seafloor 62 m (measured), deepest dive 56 m (modelled)Jul 3, 2024 — seafloor 47 m (measured), deepest dive 40 m (modelled)Jul 3Jul 14, 2024 — seafloor 51 m (measured), deepest dive 42 m (modelled)Aug 30, 2024 — seafloor 58 m (measured), deepest dive 32 m (modelled)Sep 14, 2024 — seafloor 146 m (measured), deepest dive 57 m (modelled)Sep 14

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

Dives

110 m
Deepest dive
4:16
Longest dive
115
Dives
25 m
Avg dive depth
13
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150110 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (125 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.

Unlock with Risa Deep

Place

Where this happened · Jun 11, 2024

measured
Seafloor depth
125 m
Sea-surface temperature
10.5°C
Distance from shore
6.0 km

Across the residency · 13 sightings

measured
Seafloor depth
18 m – 211 m
Sea-surface temperature
9.6°C – 15.9°C
Distance from shore
3.0 km – 39.0 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 13 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.