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

Entropy – Residency

16th sighting in Gulf of Maine
Fluke of Entropy
Entropy Confirmed in the catalog @16989
May 16 – Aug 1, 2026 · Gulf of Maine

The Shelf Delivers Again

Cold water stacked up, fish thick, calf-raising water proving itself once more.

23 m
Deepest dive
1:19
Longest dive
39
Dives
Sightings
5
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 16, 202628 m9.6°C19 m
Jun 21, 202626 m15.5°C23 m
Jul 17, 202628 m19.5°C22 m
Jul 27, 202628 m19.2°C17 m
Aug 1, 202618 m19.0°C16 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 16, 2026 — seafloor 28 m (measured), deepest dive 19 m (modelled)May 16Jun 21, 2026 — seafloor 26 m (measured), deepest dive 23 m (modelled)Jun 21Jul 17, 2026 — seafloor 28 m (measured), deepest dive 22 m (modelled)Jul 17Jul 27, 2026 — seafloor 28 m (measured), deepest dive 17 m (modelled)Jul 27Aug 1, 2026 — seafloor 18 m (measured), deepest dive 16 m (modelled)Aug 1

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

Dives

23 m
Deepest dive
1:19
Longest dive
39
Dives
12 m
Avg dive depth
5
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255023 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (26 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 · Jun 21, 2026

measured
Seafloor depth
26 m
Sea-surface temperature
15.5°C
Distance from shore
13.0 km

Across the residency · 5 sightings

measured
Seafloor depth
18 m – 28 m
Sea-surface temperature
9.6°C – 19.5°C
Distance from shore
11.0 km – 25.0 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 5 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.