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

Splatterhorn – Residency

21st sighting in Monterey Bay
Fluke of Splatterhorn
Splatterhorn Confirmed in the catalog @93971
Mar 31 – Apr 20, 2024 · Monterey Bay

Monterey Bay · Mar – Apr 2024

100 m
Deepest dive
3:12
Longest dive
81
Dives
Sightings
8
Days between first and last sighting
20

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 31, 202488 m—51 m
Apr 2, 202466 m—37 m
Apr 9, 2024567 m—100 m
Apr 11, 202473 m—51 m
Apr 11, 202473 m—34 m
Apr 14, 202496 m—57 m
Apr 18, 2024481 m—42 m
Apr 20, 202493 m—30 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
Mar 31, 2024 — seafloor 88 m (measured), deepest dive 51 m (modelled)Mar 31Apr 2, 2024 — seafloor 66 m (measured), deepest dive 37 m (modelled)Apr 2Apr 9, 2024 — seafloor 567 m (measured), deepest dive 100 m (modelled)Apr 9Apr 11, 2024 — seafloor 73 m (measured), deepest dive 51 m (modelled)Apr 11Apr 11, 2024 — seafloor 73 m (measured), deepest dive 34 m (modelled)Apr 11Apr 14, 2024 — seafloor 96 m (measured), deepest dive 57 m (modelled)Apr 14Apr 18, 2024 — seafloor 481 m (measured), deepest dive 42 m (modelled)Apr 18Apr 20, 2024 — seafloor 93 m (measured), deepest dive 30 m (modelled)Apr 20

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

Dives

100 m
Deepest dive
3:12
Longest dive
81
Dives
23 m
Avg dive depth
8
Sightings
20
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
050100100 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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 · Apr 9, 2024

measured
Seafloor depth
567 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 8 sightings

measured
Seafloor depth
66 m – 567 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 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 8 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.