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

Etch-a-Sketch – Residency

22nd sighting in Gulf of Maine
Fluke of Etch-a-Sketch
Etch-a-Sketch Confirmed in the catalog @16939
May 1 – Sep 15, 2026 · Gulf of Maine

The Cold Drop Ledge

Bottom fell away just right, water honest and cold — good eating.

69 m
Deepest dive
3:20
Longest dive
64
Dives
Sightings
7
Days between first and last sighting
136
Deepest dive on record
69 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 1, 202698 m7.4°C69 m
May 2, 202664 m8.0°C43 m
May 2, 202636 m7.2°C32 m
Jul 10, 202639 m20.7°C35 m
Sep 12, 202640 m19.0°C35 m
Sep 13, 202657 m—52 m
Sep 15, 202646 m—31 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
May 1, 2026 — seafloor 98 m (measured), deepest dive 69 m (modelled)May 1May 2, 2026 — seafloor 64 m (measured), deepest dive 43 m (modelled)May 2May 2, 2026 — seafloor 36 m (measured), deepest dive 32 m (modelled)May 2Jul 10, 2026 — seafloor 39 m (measured), deepest dive 35 m (modelled)Jul 10Sep 12, 2026 — seafloor 40 m (measured), deepest dive 35 m (modelled)Sep 12Sep 13, 2026 — seafloor 57 m (measured), deepest dive 52 m (modelled)Sep 13Sep 15, 2026 — seafloor 46 m (measured), deepest dive 31 m (modelled)Sep 15

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

Dives

69 m
Deepest dive
3:20
Longest dive
64
Dives
21 m
Avg dive depth
7
Sightings
136
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010069 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 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 · May 1, 2026

measured
Seafloor depth
98 m
Sea-surface temperature
7.4°C
Distance from shore
29.0 km

Across the residency · 7 sightings

measured
Seafloor depth
36 m – 98 m
Sea-surface temperature
7.2°C – 20.7°C
Distance from shore
9.0 km – 29.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 7 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.