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

Flat-top – Residency

8th sighting in Monterey Bay
Fluke of Flat-top
Flat-top Confirmed in the catalog @956
Oct 5 – 21, 2018 · Monterey Bay

Monterey Bay · Oct 2018

149 m
Deepest dive
4:51
Longest dive
23
Dives
Sightings
3
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 5, 201888 m—29 m
Oct 20, 2018439 m—149 m
Oct 21, 2018135 m—35 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
Oct 5, 2018 — seafloor 88 m (measured), deepest dive 29 m (modelled)Oct 5Oct 20, 2018 — seafloor 439 m (measured), deepest dive 149 m (modelled)Oct 20Oct 21, 2018 — seafloor 135 m (measured), deepest dive 35 m (modelled)Oct 21

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

Dives

149 m
Deepest dive
4:51
Longest dive
23
Dives
29 m
Avg dive depth
3
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150149 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (439 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 20, 2018

measured
Seafloor depth
439 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 3 sightings

measured
Seafloor depth
88 m – 439 m
Sea-surface temperature
—
Distance from shore
6.0 km – 9.0 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 3 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.