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

Lacuna – Residency

16th sighting in Gulf of Maine
Fluke of Lacuna
Lacuna Confirmed in the catalog @7607
Jun 6 – Aug 31, 2024 · Gulf of Maine

Gulf of Maine · Jun – Aug 2024

172 m
Deepest dive
5:27
Longest dive
64
Dives
Sightings
8
Days between first and last sighting
86
Deepest dive on record
172 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 6, 2024107 m—81 m
Jun 21, 2024187 m—172 m
Jun 28, 202461 m—39 m
Jul 20, 2024105 m—31 m
Jul 24, 2024157 m—59 m
Jul 27, 2024123 m—25 m
Aug 30, 202458 m—49 m
Aug 31, 2024181 m—60 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
Jun 6, 2024 — seafloor 107 m (measured), deepest dive 81 m (modelled)Jun 6Jun 21, 2024 — seafloor 187 m (measured), deepest dive 172 m (modelled)Jun 21Jun 28, 2024 — seafloor 61 m (measured), deepest dive 39 m (modelled)Jun 28Jul 20, 2024 — seafloor 105 m (measured), deepest dive 31 m (modelled)Jul 20Jul 24, 2024 — seafloor 157 m (measured), deepest dive 59 m (modelled)Jul 24Jul 27, 2024 — seafloor 123 m (measured), deepest dive 25 m (modelled)Jul 27Aug 30, 2024 — seafloor 58 m (measured), deepest dive 49 m (modelled)Aug 30Aug 31, 2024 — seafloor 181 m (measured), deepest dive 60 m (modelled)Aug 31

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

Dives

172 m
Deepest dive
5:27
Longest dive
64
Dives
23 m
Avg dive depth
8
Sightings
86
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200172 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (187 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, 2024

measured
Seafloor depth
187 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 8 sightings

measured
Seafloor depth
58 m – 187 m
Sea-surface temperature
—
Distance from shore
3.0 km – 39.0 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 8 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.