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

Agassiz – Residency

9th sighting in Gulf of Maine
Fluke of Agassiz
Agassiz Confirmed in the catalog @67253
Jun 13 – Jul 10, 2026 · Gulf of Maine

Green Water, Good Company

Sand eels thick, the whole loose crowd showed up to feast.

41 m
Deepest dive
1:58
Longest dive
64
Dives
Sightings
4
Days between first and last sighting
27

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 13, 202628 m17.9°C23 m
Jun 30, 202646 m18.5°C30 m
Jul 3, 202648 m19.8°C41 m
Jul 10, 202619 m20.8°C17 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 13, 2026 — seafloor 28 m (measured), deepest dive 23 m (modelled)Jun 13Jun 30, 2026 — seafloor 46 m (measured), deepest dive 30 m (modelled)Jun 30Jul 3, 2026 — seafloor 48 m (measured), deepest dive 41 m (modelled)Jul 3Jul 10, 2026 — seafloor 19 m (measured), deepest dive 17 m (modelled)Jul 10

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

Dives

41 m
Deepest dive
1:58
Longest dive
64
Dives
14 m
Avg dive depth
4
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255041 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (48 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 · Jul 3, 2026

measured
Seafloor depth
48 m
Sea-surface temperature
19.8°C
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
19 m – 48 m
Sea-surface temperature
17.9°C – 20.8°C
Distance from shore
9.0 km – 25.0 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 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.