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

Thistle – Residency

5th sighting in Gulf of Maine
Fluke of Thistle
Thistle Confirmed in the catalog @120979
Jul 17 – Aug 1, 2026 · Gulf of Maine

The Bank Still Delivers

Bait thick, water cool, this shelf never stops feeding me right.

52 m
Deepest dive
2:06
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
15

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 17, 202666 m19.1°C20 m
Jul 18, 202649 m19.1°C38 m
Aug 1, 202683 m18.4°C52 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 66 m (measured), deepest dive 20 m (modelled)Jul 17Jul 18, 2026 — seafloor 49 m (measured), deepest dive 38 m (modelled)Jul 18Aug 1, 2026 — seafloor 83 m (measured), deepest dive 52 m (modelled)Aug 1

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

Dives

52 m
Deepest dive
2:06
Longest dive
27
Dives
17 m
Avg dive depth
3
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010052 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (83 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 1, 2026

measured
Seafloor depth
83 m
Sea-surface temperature
18.4°C
Distance from shore
20.0 km

Across the residency · 3 sightings

measured
Seafloor depth
49 m – 83 m
Sea-surface temperature
18.4°C – 19.1°C
Distance from shore
5.0 km – 20.0 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 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.