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

MommasBoy – Residency

13th sighting in Glacier Bay & Icy Strait
Fluke of MommasBoy
MommasBoy Confirmed in the catalog @16812
May 26 – Sep 18, 2019 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Sep 2019

123 m
Deepest dive
5:06
Longest dive
45
Dives
Sightings
6
Days between first and last sighting
115

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 26, 201964 m8.7°C46 m
Jul 15, 2019135 m13.8°C123 m
Jul 15, 201968 m13.7°C56 m
Jul 24, 201997 m14.4°C54 m
Jul 31, 201935 m12.1°C32 m
Sep 18, 201921 m11.2°C18 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 26, 2019 — seafloor 64 m (measured), deepest dive 46 m (modelled)May 26Jul 15, 2019 — seafloor 135 m (measured), deepest dive 123 m (modelled)Jul 15Jul 15, 2019 — seafloor 68 m (measured), deepest dive 56 m (modelled)Jul 15Jul 24, 2019 — seafloor 97 m (measured), deepest dive 54 m (modelled)Jul 24Jul 31, 2019 — seafloor 35 m (measured), deepest dive 32 m (modelled)Jul 31Sep 18, 2019 — seafloor 21 m (measured), deepest dive 18 m (modelled)Sep 18

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

Dives

123 m
Deepest dive
5:06
Longest dive
45
Dives
23 m
Avg dive depth
6
Sightings
115
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150123 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (135 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.

Unlock with Risa Deep

Place

Where this happened · Jul 15, 2019

measured
Seafloor depth
135 m
Sea-surface temperature
13.8°C
Distance from shore
1.0 km

Across the residency · 6 sightings

measured
Seafloor depth
21 m – 135 m
Sea-surface temperature
8.7°C – 14.4°C
Distance from shore
1.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.