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

Tongs – Residency

6th sighting in Gulf of Maine
Fluke of Tongs
Tongs Confirmed in the catalog @7669
Jun 2 – Aug 8, 2021 · Gulf of Maine

Gulf of Maine · Jun – Aug 2021

118 m
Deepest dive
3:35
Longest dive
44
Dives
Sightings
4
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 2, 2021146 m—118 m
Jun 10, 202134 m—21 m
Jul 22, 202162 m—45 m
Aug 8, 202164 m—43 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 2, 2021 — seafloor 146 m (measured), deepest dive 118 m (modelled)Jun 2Jun 10, 2021 — seafloor 34 m (measured), deepest dive 21 m (modelled)Jun 10Jul 22, 2021 — seafloor 62 m (measured), deepest dive 45 m (modelled)Jul 22Aug 8, 2021 — seafloor 64 m (measured), deepest dive 43 m (modelled)Aug 8

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

Dives

118 m
Deepest dive
3:35
Longest dive
44
Dives
18 m
Avg dive depth
4
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150118 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (146 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 2, 2021

measured
Seafloor depth
146 m
Sea-surface temperature
—
Distance from shore
52.0 km

Across the residency · 4 sightings

measured
Seafloor depth
34 m – 146 m
Sea-surface temperature
—
Distance from shore
6.0 km – 52.0 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.