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

Scylla – Residency

10th sighting in Gulf of Maine
Fluke of Scylla
Scylla Confirmed in the catalog @11204
Jun 13 – Sep 4, 2021 · Gulf of Maine

Gulf of Maine · Jun – Sep 2021

42 m
Deepest dive
1:41
Longest dive
27
Dives
Sightings
4
Days between first and last sighting
82

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 13, 2021139 m—42 m
Jul 22, 202162 m—26 m
Aug 7, 202128 m—25 m
Sep 4, 202146 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
Jun 13, 2021 — seafloor 139 m (measured), deepest dive 42 m (modelled)Jun 13Jul 22, 2021 — seafloor 62 m (measured), deepest dive 26 m (modelled)Jul 22Aug 7, 2021 — seafloor 28 m (measured), deepest dive 25 m (modelled)Aug 7Sep 4, 2021 — seafloor 46 m (measured), deepest dive 42 m (modelled)Sep 4

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

Dives

42 m
Deepest dive
1:41
Longest dive
27
Dives
22 m
Avg dive depth
4
Sightings
82
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255042 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (46 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 · Sep 4, 2021

measured
Seafloor depth
46 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
28 m – 139 m
Sea-surface temperature
—
Distance from shore
9.0 km – 28.0 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).

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