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

Hancock – Residency

5th sighting in Gulf of Maine
Fluke of Hancock
Hancock Confirmed in the catalog @4331
Jul 12 – Oct 13, 2017 · Gulf of Maine

Gulf of Maine · Jul – Oct 2017

56 m
Deepest dive
2:21
Longest dive
43
Dives
Sightings
3
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 12, 201778 m—56 m
Aug 15, 201739 m—35 m
Oct 13, 201728 m—24 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 12, 2017 — seafloor 78 m (measured), deepest dive 56 m (modelled)Jul 12Aug 15, 2017 — seafloor 39 m (measured), deepest dive 35 m (modelled)Aug 15Oct 13, 2017 — seafloor 28 m (measured), deepest dive 24 m (modelled)Oct 13

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

Dives

56 m
Deepest dive
2:21
Longest dive
43
Dives
16 m
Avg dive depth
3
Sightings
93
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010056 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (78 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 12, 2017

measured
Seafloor depth
78 m
Sea-surface temperature
—
Distance from shore
24.0 km

Across the residency · 3 sightings

measured
Seafloor depth
28 m – 78 m
Sea-surface temperature
—
Distance from shore
10.0 km – 25.0 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 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.