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

Draco – Residency

14th sighting in Gulf of Maine
Fluke of Draco
Draco Confirmed in the catalog @11217
Aug 16 – Sep 12, 2023 · Gulf of Maine

Gulf of Maine · Aug – Sep 2023

44 m
Deepest dive
1:52
Longest dive
53
Dives
Sightings
7
Days between first and last sighting
27

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 16, 202346 m—30 m
Aug 20, 202310 m—9 m
Aug 23, 202346 m—26 m
Aug 24, 202346 m—30 m
Sep 10, 202335 m—17 m
Sep 11, 202328 m—25 m
Sep 12, 202349 m—44 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
Aug 16, 2023 — seafloor 46 m (measured), deepest dive 30 m (modelled)Aug 16Aug 20, 2023 — seafloor 10 m (measured), deepest dive 9 m (modelled)Aug 20Aug 23, 2023 — seafloor 46 m (measured), deepest dive 26 m (modelled)Aug 23Aug 24, 2023 — seafloor 46 m (measured), deepest dive 30 m (modelled)Aug 24Sep 10, 2023 — seafloor 35 m (measured), deepest dive 17 m (modelled)Sep 10Sep 11, 2023 — seafloor 28 m (measured), deepest dive 25 m (modelled)Sep 11Sep 12, 2023 — seafloor 49 m (measured), deepest dive 44 m (modelled)Sep 12

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

Dives

44 m
Deepest dive
1:52
Longest dive
53
Dives
15 m
Avg dive depth
7
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255044 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (49 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 12, 2023

measured
Seafloor depth
49 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 7 sightings

measured
Seafloor depth
10 m – 49 m
Sea-surface temperature
—
Distance from shore
2.0 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 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).

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