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

Two-Faces – Residency

14th sighting in Monterey Bay
Fluke of Two-Faces
Two-Faces Confirmed in the catalog @2431
Oct 8 – Nov 2, 2021 · Monterey Bay

October in the Bay

The familiar waters welcomed me back, and I lingered where the currents feel like home.

106 m
Deepest dive
4:10
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
25

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 8, 2021120 m14.7°C79 m
Oct 8, 2021187 m14.7°C98 m
Nov 2, 2021521 m14.5°C106 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 8, 2021 — seafloor 120 m (measured), deepest dive 79 m (modelled)Oct 8Oct 8, 2021 — seafloor 187 m (measured), deepest dive 98 m (modelled)Oct 8Nov 2, 2021 — seafloor 521 m (measured), deepest dive 106 m (modelled)Nov 2

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

Dives

106 m
Deepest dive
4:10
Longest dive
27
Dives
32 m
Avg dive depth
3
Sightings
25
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150106 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (521 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 2, 2021

measured
Seafloor depth
521 m
Sea-surface temperature
14.5°C
Distance from shore
12.0 km

Across the residency · 3 sightings

measured
Seafloor depth
120 m – 521 m
Sea-surface temperature
14.5°C – 14.7°C
Distance from shore
3.0 km – 12.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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.