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

Flat-top – Residency

10th sighting in Monterey Bay
Fluke of Flat-top
Flat-top Confirmed in the catalog @956
Aug 11 – Oct 10, 2021 · Monterey Bay

Monterey Bay · Aug – Oct 2021

112 m
Deepest dive
4:42
Longest dive
24
Dives
Sightings
2
Days between first and last sighting
60

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 11, 20211,032 m—112 m
Oct 10, 2021647 m—43 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
Aug 11, 2021 — seafloor 1,032 m (measured), deepest dive 112 m (modelled)Aug 11Oct 10, 2021 — seafloor 647 m (measured), deepest dive 43 m (modelled)Oct 10

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

Dives

112 m
Deepest dive
4:42
Longest dive
24
Dives
29 m
Avg dive depth
2
Sightings
60
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150112 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,032 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 11, 2021

measured
Seafloor depth
1,032 m
Sea-surface temperature
—
Distance from shore
15.0 km

Across the residency · 2 sightings

measured
Seafloor depth
647 m – 1,032 m
Sea-surface temperature
—
Distance from shore
15.0 km – 22.0 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 2 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.