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

Cirrus – Residency

16th sighting in Gulf of Maine
Fluke of Cirrus
Cirrus Confirmed in the catalog @7723
Jun 26 – Jul 29, 2026 · Gulf of Maine

Shelf Life, Herring Heavy

Herring so thick this stretch I barely had to chase breakfast.

76 m
Deepest dive
3:14
Longest dive
28
Dives
Sightings
3
Days between first and last sighting
33

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 26, 2026196 m11.6°C76 m
Jul 23, 202651 m14.0°C32 m
Jul 29, 2026102 m15.2°C56 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 26, 2026 — seafloor 196 m (measured), deepest dive 76 m (modelled)Jun 26Jul 23, 2026 — seafloor 51 m (measured), deepest dive 32 m (modelled)Jul 23Jul 29, 2026 — seafloor 102 m (measured), deepest dive 56 m (modelled)Jul 29

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

Dives

76 m
Deepest dive
3:14
Longest dive
28
Dives
24 m
Avg dive depth
3
Sightings
33
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010076 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (196 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 26, 2026

measured
Seafloor depth
196 m
Sea-surface temperature
11.6°C
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
51 m – 196 m
Sea-surface temperature
11.6°C – 15.2°C
Distance from shore
4.0 km – 9.0 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.