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

Malthusian – Residency

20th sighting in Glacier Bay & Icy Strait
Fluke of Malthusian
Malthusian Confirmed in the catalog @18600
May 17 – Sep 18, 2022 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Sep 2022

101 m
Deepest dive
3:48
Longest dive
176
Dives
Sightings
13
Days between first and last sighting
124

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 17, 202233 m7.5°C23 m
May 19, 2022499 m8.0°C42 m
May 25, 2022135 m9.1°C23 m
May 26, 202256 m9.5°C39 m
Jun 4, 2022133 m11.4°C100 m
Jul 14, 202247 m14.4°C21 m
Jul 22, 2022102 m13.0°C81 m
Sep 7, 202260 m12.8°C43 m
Sep 7, 2022134 m12.6°C101 m
Sep 16, 2022120 m11.5°C75 m
Sep 17, 2022133 m10.8°C57 m
Sep 17, 2022134 m10.9°C59 m
Sep 18, 202232 m10.9°C28 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 17, 2022 — seafloor 33 m (measured), deepest dive 23 m (modelled)May 17May 19, 2022 — seafloor 499 m (measured), deepest dive 42 m (modelled)May 25, 2022 — seafloor 135 m (measured), deepest dive 23 m (modelled)May 26, 2022 — seafloor 56 m (measured), deepest dive 39 m (modelled)May 26Jun 4, 2022 — seafloor 133 m (measured), deepest dive 100 m (modelled)Jul 14, 2022 — seafloor 47 m (measured), deepest dive 21 m (modelled)Jul 22, 2022 — seafloor 102 m (measured), deepest dive 81 m (modelled)Jul 22Sep 7, 2022 — seafloor 60 m (measured), deepest dive 43 m (modelled)Sep 7, 2022 — seafloor 134 m (measured), deepest dive 101 m (modelled)Sep 16, 2022 — seafloor 120 m (measured), deepest dive 75 m (modelled)Sep 16Sep 17, 2022 — seafloor 133 m (measured), deepest dive 57 m (modelled)Sep 17, 2022 — seafloor 134 m (measured), deepest dive 59 m (modelled)Sep 18, 2022 — seafloor 32 m (measured), deepest dive 28 m (modelled)Sep 18

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

Dives

101 m
Deepest dive
3:48
Longest dive
176
Dives
20 m
Avg dive depth
13
Sightings
124
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150101 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (134 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 7, 2022

measured
Seafloor depth
134 m
Sea-surface temperature
12.6°C
Distance from shore
1.0 km

Across the residency · 13 sightings

measured
Seafloor depth
32 m – 499 m
Sea-surface temperature
7.5°C – 14.4°C
Distance from shore
1.0 km – 6.0 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 13 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.