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

Ellipsis – Residency

7th sighting in Monterey Bay
Fluke of Ellipsis
Ellipsis Confirmed in the catalog @50556
Dec 2 – 11, 2021 · Monterey Bay

Monterey Bay · Dec 2021

122 m
Deepest dive
5:28
Longest dive
20
Dives
Sightings
3
Days between first and last sighting
9

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 2, 2021114 m—103 m
Dec 7, 202172 m—31 m
Dec 11, 2021198 m—122 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
Dec 2, 2021 — seafloor 114 m (measured), deepest dive 103 m (modelled)Dec 2Dec 7, 2021 — seafloor 72 m (measured), deepest dive 31 m (modelled)Dec 7Dec 11, 2021 — seafloor 198 m (measured), deepest dive 122 m (modelled)Dec 11

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

Dives

122 m
Deepest dive
5:28
Longest dive
20
Dives
36 m
Avg dive depth
3
Sightings
9
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150122 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (198 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 · Dec 11, 2021

measured
Seafloor depth
198 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
72 m – 198 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.