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

Clamp – Residency

35th sighting in Gulf of Maine
Fluke of Clamp
Clamp Confirmed in the catalog @5589
Jul 29 – Sep 13, 2026 · Gulf of Maine

Late Summer, Same Old Shelf

Sand eels running thick, whoever's around, water's mine to work.

56 m
Deepest dive
2:09
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
46

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 29, 202641 m17.5°C36 m
Aug 8, 202676 m20.4°C56 m
Sep 13, 202651 m18.4°C42 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 29, 2026 — seafloor 41 m (measured), deepest dive 36 m (modelled)Jul 29Aug 8, 2026 — seafloor 76 m (measured), deepest dive 56 m (modelled)Aug 8Sep 13, 2026 — seafloor 51 m (measured), deepest dive 42 m (modelled)Sep 13

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

Dives

56 m
Deepest dive
2:09
Longest dive
27
Dives
21 m
Avg dive depth
3
Sightings
46
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010056 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 8, 2026

measured
Seafloor depth
76 m
Sea-surface temperature
20.4°C
Distance from shore
17.0 km

Across the residency · 3 sightings

measured
Seafloor depth
41 m – 76 m
Sea-surface temperature
17.5°C – 20.4°C
Distance from shore
7.0 km – 17.0 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.