Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Glacier Bay & Icy Strait

Lucretius – Residency

2nd sighting in Glacier Bay & Icy Strait
Fluke of Lucretius
Lucretius Confirmed in the catalog @5324
Jul 10 – Aug 27, 2017 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jul – Aug 2017

154 m
Deepest dive
6:26
Longest dive
34
Dives
Sightings
4
Days between first and last sighting
48
Deepest dive on record
154 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 10, 2017492 m—154 m
Jul 26, 2017186 m—23 m
Jul 26, 201749 m—19 m
Aug 27, 2017132 m—63 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 10, 2017 — seafloor 492 m (measured), deepest dive 154 m (modelled)Jul 10Jul 26, 2017 — seafloor 186 m (measured), deepest dive 23 m (modelled)Jul 26Jul 26, 2017 — seafloor 49 m (measured), deepest dive 19 m (modelled)Jul 26Aug 27, 2017 — seafloor 132 m (measured), deepest dive 63 m (modelled)Aug 27

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

Dives

154 m
Deepest dive
6:26
Longest dive
34
Dives
29 m
Avg dive depth
4
Sightings
48
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200154 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (492 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 · Jul 10, 2017

measured
Seafloor depth
492 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
49 m – 492 m
Sea-surface temperature
—
Distance from shore
1.0 km – 5.0 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.