Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Boomerang – Residency

19th sighting in Monterey Bay
Fluke of Boomerang
Boomerang Confirmed in the catalog @106591
Jul 16 – Oct 27, 2024 · Monterey Bay

Monterey Bay · Jul – Oct 2024

196 m
Deepest dive
6:13
Longest dive
162
Dives
Sightings
10
Days between first and last sighting
103

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 16, 2024213 m—30 m
Aug 8, 202469 m—42 m
Oct 19, 2024567 m—76 m
Oct 20, 2024254 m—55 m
Oct 20, 202476 m—39 m
Oct 21, 202474 m—53 m
Oct 21, 2024567 m—94 m
Oct 23, 202472 m—31 m
Oct 27, 20241,442 m—196 m
Oct 27, 202497 m—54 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 16, 2024 — seafloor 213 m (measured), deepest dive 30 m (modelled)Jul 16Aug 8, 2024 — seafloor 69 m (measured), deepest dive 42 m (modelled)Aug 8Oct 19, 2024 — seafloor 567 m (measured), deepest dive 76 m (modelled)Oct 19Oct 20, 2024 — seafloor 254 m (measured), deepest dive 55 m (modelled)Oct 20Oct 20, 2024 — seafloor 76 m (measured), deepest dive 39 m (modelled)Oct 20Oct 21, 2024 — seafloor 74 m (measured), deepest dive 53 m (modelled)Oct 21Oct 21, 2024 — seafloor 567 m (measured), deepest dive 94 m (modelled)Oct 21Oct 23, 2024 — seafloor 72 m (measured), deepest dive 31 m (modelled)Oct 23Oct 27, 2024 — seafloor 1,442 m (measured), deepest dive 196 m (modelled)Oct 27Oct 27, 2024 — seafloor 97 m (measured), deepest dive 54 m (modelled)Oct 27

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

Dives

196 m
Deepest dive
6:13
Longest dive
162
Dives
23 m
Avg dive depth
10
Sightings
103
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200196 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,442 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 · Oct 27, 2024

measured
Seafloor depth
1,442 m
Sea-surface temperature
—
Distance from shore
24.0 km

Across the residency · 10 sightings

measured
Seafloor depth
69 m – 1,442 m
Sea-surface temperature
—
Distance from shore
3.0 km – 24.0 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 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.