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

MommasBoy – Residency

10th sighting in Glacier Bay & Icy Strait
Fluke of MommasBoy
MommasBoy Confirmed in the catalog @16812
Jun 29 – Sep 4, 2018 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jun – Sep 2018

249 m
Deepest dive
8:28
Longest dive
131
Dives
Sightings
6
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 2018144 m11.2°C75 m
Jul 16, 2018180 m12.4°C51 m
Aug 15, 2018199 m12.0°C112 m
Aug 15, 2018558 m12.0°C56 m
Aug 23, 2018377 m13.8°C172 m
Sep 4, 2018281 m12.2°C249 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 29, 2018 — seafloor 144 m (measured), deepest dive 75 m (modelled)Jun 29Jul 16, 2018 — seafloor 180 m (measured), deepest dive 51 m (modelled)Jul 16Aug 15, 2018 — seafloor 199 m (measured), deepest dive 112 m (modelled)Aug 15Aug 15, 2018 — seafloor 558 m (measured), deepest dive 56 m (modelled)Aug 15Aug 23, 2018 — seafloor 377 m (measured), deepest dive 172 m (modelled)Aug 23Sep 4, 2018 — seafloor 281 m (measured), deepest dive 249 m (modelled)Sep 4

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

Dives

249 m
Deepest dive
8:28
Longest dive
131
Dives
31 m
Avg dive depth
6
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250249 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (281 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 4, 2018

measured
Seafloor depth
281 m
Sea-surface temperature
12.2°C
Distance from shore
1.0 km

Across the residency · 6 sightings

measured
Seafloor depth
144 m – 558 m
Sea-surface temperature
11.2°C – 13.8°C
Distance from shore
1.0 km – 2.0 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 6 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.