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

Handstand – Residency

15th sighting in Gulf of Maine
Fluke of Handstand
Handstand Confirmed in the catalog @7497
Jun 14 – Jul 19, 2025 · Gulf of Maine

Gulf of Maine · Jun – Jul 2025

74 m
Deepest dive
3:31
Longest dive
34
Dives
Sightings
3
Days between first and last sighting
35

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 202595 m—74 m
Jun 27, 2025121 m—48 m
Jul 19, 202572 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
Jun 14, 2025 — seafloor 95 m (measured), deepest dive 74 m (modelled)Jun 14Jun 27, 2025 — seafloor 121 m (measured), deepest dive 48 m (modelled)Jun 27Jul 19, 2025 — seafloor 72 m (measured), deepest dive 24 m (modelled)Jul 19

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

Dives

74 m
Deepest dive
3:31
Longest dive
34
Dives
21 m
Avg dive depth
3
Sightings
35
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010074 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (95 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 14, 2025

measured
Seafloor depth
95 m
Sea-surface temperature
—
Distance from shore
18.0 km

Across the residency · 3 sightings

measured
Seafloor depth
72 m – 121 m
Sea-surface temperature
—
Distance from shore
18.0 km – 38.0 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.