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

Ellipsis – Residency

4th sighting in Monterey Bay
Fluke of Ellipsis
Ellipsis Confirmed in the catalog @50556
Nov 5 – Dec 2, 2020 · Monterey Bay

Monterey Bay · Nov – Dec 2020

125 m
Deepest dive
4:00
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
27
Deepest dive on record
125 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 5, 2020419 m—117 m
Nov 9, 202095 m—55 m
Nov 14, 2020368 m—125 m
Dec 2, 2020455 m—75 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
Nov 5, 2020 — seafloor 419 m (measured), deepest dive 117 m (modelled)Nov 5Nov 9, 2020 — seafloor 95 m (measured), deepest dive 55 m (modelled)Nov 9Nov 14, 2020 — seafloor 368 m (measured), deepest dive 125 m (modelled)Nov 14Dec 2, 2020 — seafloor 455 m (measured), deepest dive 75 m (modelled)Dec 2

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

Dives

125 m
Deepest dive
4:00
Longest dive
39
Dives
29 m
Avg dive depth
4
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150125 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (368 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 · Nov 14, 2020

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

Across the residency · 4 sightings

measured
Seafloor depth
95 m – 455 m
Sea-surface temperature
—
Distance from shore
4.0 km – 10.0 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 4 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.