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Gulf of Maine

Ridgeline – Residency

19th sighting in Gulf of Maine
Fluke of Ridgeline
Ridgeline Confirmed in the catalog @12737
Jun 3 – Oct 3, 2024 · Gulf of Maine

Gulf of Maine · Jun – Oct 2024

131 m
Deepest dive
5:38
Longest dive
107
Dives
Sightings
9
Days between first and last sighting
122

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 3, 202499 m9.0°C65 m
Jun 6, 2024107 m9.9°C42 m
Jun 28, 202461 m10.6°C49 m
Jul 14, 202451 m14.0°C39 m
Aug 16, 202459 m16.8°C53 m
Aug 30, 202458 m15.9°C25 m
Sep 15, 202460 m14.8°C34 m
Sep 29, 202462 m11.9°C37 m
Oct 3, 2024190 m13.9°C131 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 3, 2024 — seafloor 99 m (measured), deepest dive 65 m (modelled)Jun 3Jun 6, 2024 — seafloor 107 m (measured), deepest dive 42 m (modelled)Jun 6Jun 28, 2024 — seafloor 61 m (measured), deepest dive 49 m (modelled)Jun 28Jul 14, 2024 — seafloor 51 m (measured), deepest dive 39 m (modelled)Jul 14Aug 16, 2024 — seafloor 59 m (measured), deepest dive 53 m (modelled)Aug 16Aug 30, 2024 — seafloor 58 m (measured), deepest dive 25 m (modelled)Aug 30Sep 15, 2024 — seafloor 60 m (measured), deepest dive 34 m (modelled)Sep 15Sep 29, 2024 — seafloor 62 m (measured), deepest dive 37 m (modelled)Sep 29Oct 3, 2024 — seafloor 190 m (measured), deepest dive 131 m (modelled)Oct 3

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

Dives

131 m
Deepest dive
5:38
Longest dive
107
Dives
21 m
Avg dive depth
9
Sightings
122
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150131 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (190 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 · Oct 3, 2024

measured
Seafloor depth
190 m
Sea-surface temperature
13.9°C
Distance from shore
19.0 km

Across the residency · 9 sightings

measured
Seafloor depth
51 m – 190 m
Sea-surface temperature
9.0°C – 16.8°C
Distance from shore
3.0 km – 52.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 9 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.