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

Manta – Residency

38th sighting in Glacier Bay & Icy Strait
Fluke of Manta
Manta Confirmed in the catalog @16810
Jun 4 – Aug 2, 2025 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jun – Aug 2025

111 m
Deepest dive
4:02
Longest dive
113
Dives
Sightings
10
Days between first and last sighting
59

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 4, 202544 m8.9°C34 m
Jun 5, 202571 m9.0°C38 m
Jun 10, 202544 m8.7°C26 m
Jun 12, 202568 m8.9°C61 m
Jun 19, 202511 m10.6°C10 m
Jun 22, 202535 m11.6°C32 m
Jun 28, 202595 m11.9°C45 m
Jun 30, 2025107 m11.8°C93 m
Jul 1, 2025103 m11.8°C48 m
Aug 2, 2025194 m14.3°C111 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 4, 2025 — seafloor 44 m (measured), deepest dive 34 m (modelled)Jun 4Jun 5, 2025 — seafloor 71 m (measured), deepest dive 38 m (modelled)Jun 5Jun 10, 2025 — seafloor 44 m (measured), deepest dive 26 m (modelled)Jun 10Jun 12, 2025 — seafloor 68 m (measured), deepest dive 61 m (modelled)Jun 12Jun 19, 2025 — seafloor 11 m (measured), deepest dive 10 m (modelled)Jun 19Jun 22, 2025 — seafloor 35 m (measured), deepest dive 32 m (modelled)Jun 22Jun 28, 2025 — seafloor 95 m (measured), deepest dive 45 m (modelled)Jun 28Jun 30, 2025 — seafloor 107 m (measured), deepest dive 93 m (modelled)Jun 30Jul 1, 2025 — seafloor 103 m (measured), deepest dive 48 m (modelled)Jul 1Aug 2, 2025 — seafloor 194 m (measured), deepest dive 111 m (modelled)Aug 2

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

Dives

111 m
Deepest dive
4:02
Longest dive
113
Dives
20 m
Avg dive depth
10
Sightings
59
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150111 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (194 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 · Aug 2, 2025

measured
Seafloor depth
194 m
Sea-surface temperature
14.3°C
Distance from shore
—

Across the residency · 10 sightings

measured
Seafloor depth
11 m – 194 m
Sea-surface temperature
8.7°C – 14.3°C
Distance from shore
2.0 km – 5.0 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 10 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.