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

Anvil – Residency

11th sighting in Gulf of Maine
Fluke of Anvil
Anvil Confirmed in the catalog @12722
Jul 27 – Oct 3, 2023 · Gulf of Maine

Gulf of Maine · Jul – Oct 2023

82 m
Deepest dive
3:55
Longest dive
63
Dives
Sightings
4
Days between first and last sighting
69
Deepest dive on record
82 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 27, 202330 m—23 m
Aug 17, 2023113 m—82 m
Aug 21, 202380 m—73 m
Oct 3, 202346 m—42 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 27, 2023 — seafloor 30 m (measured), deepest dive 23 m (modelled)Jul 27Aug 17, 2023 — seafloor 113 m (measured), deepest dive 82 m (modelled)Aug 17Aug 21, 2023 — seafloor 80 m (measured), deepest dive 73 m (modelled)Aug 21Oct 3, 2023 — seafloor 46 m (measured), deepest dive 42 m (modelled)Oct 3

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

Dives

82 m
Deepest dive
3:55
Longest dive
63
Dives
23 m
Avg dive depth
4
Sightings
69
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010082 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (113 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.

Unlock with Risa Deep

Place

Where this happened · Aug 17, 2023

measured
Seafloor depth
113 m
Sea-surface temperature
—
Distance from shore
19.0 km

Across the residency · 4 sightings

measured
Seafloor depth
30 m – 113 m
Sea-surface temperature
—
Distance from shore
4.0 km – 19.0 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 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.