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

Harry Potter – Residency

16th sighting in Monterey Bay
Fluke of Harry Potter
Harry Potter Confirmed in the catalog @5109
Apr 17 – 26, 2019 · Monterey Bay

Monterey Bay · Apr 2019

129 m
Deepest dive
4:08
Longest dive
56
Dives
Sightings
5
Days between first and last sighting
9

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 17, 2019293 m—97 m
Apr 23, 201947 m—26 m
Apr 25, 2019254 m—86 m
Apr 26, 2019147 m—129 m
Apr 26, 201927 m—24 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
Apr 17, 2019 — seafloor 293 m (measured), deepest dive 97 m (modelled)Apr 17Apr 23, 2019 — seafloor 47 m (measured), deepest dive 26 m (modelled)Apr 23Apr 25, 2019 — seafloor 254 m (measured), deepest dive 86 m (modelled)Apr 25Apr 26, 2019 — seafloor 147 m (measured), deepest dive 129 m (modelled)Apr 26Apr 26, 2019 — seafloor 27 m (measured), deepest dive 24 m (modelled)Apr 26

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

Dives

129 m
Deepest dive
4:08
Longest dive
56
Dives
22 m
Avg dive depth
5
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
075150129 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (147 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 26, 2019

measured
Seafloor depth
147 m
Sea-surface temperature
—
Distance from shore
12.0 km

Across the residency · 5 sightings

measured
Seafloor depth
27 m – 293 m
Sea-surface temperature
—
Distance from shore
4.0 km – 12.0 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 5 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.