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

Snare – Residency

6th sighting in Gulf of Maine
Fluke of Snare
Snare Confirmed in the catalog @22149
Aug 11 – 23, 2023 · Gulf of Maine

Gulf of Maine · Aug 2023

33 m
Deepest dive
1:38
Longest dive
44
Dives
Sightings
4
Days between first and last sighting
12

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 11, 202312 m—10 m
Aug 12, 202356 m—33 m
Aug 19, 202330 m—28 m
Aug 23, 202346 m—23 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
Aug 11, 2023 — seafloor 12 m (measured), deepest dive 10 m (modelled)Aug 11Aug 12, 2023 — seafloor 56 m (measured), deepest dive 33 m (modelled)Aug 12Aug 19, 2023 — seafloor 30 m (measured), deepest dive 28 m (modelled)Aug 19Aug 23, 2023 — seafloor 46 m (measured), deepest dive 23 m (modelled)Aug 23

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

Dives

33 m
Deepest dive
1:38
Longest dive
44
Dives
13 m
Avg dive depth
4
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255033 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (56 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 12, 2023

measured
Seafloor depth
56 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
12 m – 56 m
Sea-surface temperature
—
Distance from shore
2.0 km – 9.0 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 4 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.