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

Bread Knife – Residency

37th sighting in Monterey Bay
Fluke of Bread Knife
Bread Knife Confirmed in the catalog @3005
Mar 16 – Aug 1, 2019 · Monterey Bay

Monterey Bay · Mar – Aug 2019

—
Deepest dive
—
Longest dive
—
Dives
Sightings
19
Days between first and last sighting
138

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 16, 201993 m13.1°C—
Mar 17, 2019156 m13.4°C—
Mar 18, 2019110 m13.5°C—
Mar 23, 201965 m13.1°C—
Mar 24, 2019107 m13.4°C—
Mar 29, 201978 m13.6°C—
Apr 5, 2019136 m13.8°C—
Apr 17, 2019189 m13.1°C—
Apr 24, 2019206 m12.0°C—
Apr 26, 201970 m12.6°C—
Apr 26, 201982 m12.6°C—
Apr 27, 2019507 m12.9°C—
May 30, 2019391 m13.5°C—
Jun 2, 201935 m13.7°C—
Jul 7, 201918 m13.8°C—
Jul 12, 201944 m13.3°C—
Jul 14, 201978 m13.1°C—
Jul 16, 201986 m12.7°C—

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 16, 2019 — seafloor 93 m (measured), deepest dive — (modelled)Mar 16Mar 17, 2019 — seafloor 156 m (measured), deepest dive — (modelled)Mar 18, 2019 — seafloor 110 m (measured), deepest dive — (modelled)Mar 23, 2019 — seafloor 65 m (measured), deepest dive — (modelled)Mar 24, 2019 — seafloor 107 m (measured), deepest dive — (modelled)Mar 24Mar 29, 2019 — seafloor 78 m (measured), deepest dive — (modelled)Apr 5, 2019 — seafloor 136 m (measured), deepest dive — (modelled)Apr 17, 2019 — seafloor 189 m (measured), deepest dive — (modelled)Apr 24, 2019 — seafloor 206 m (measured), deepest dive — (modelled)Apr 24Apr 26, 2019 — seafloor 70 m (measured), deepest dive — (modelled)Apr 26, 2019 — seafloor 82 m (measured), deepest dive — (modelled)Apr 27, 2019 — seafloor 507 m (measured), deepest dive — (modelled)May 30, 2019 — seafloor 391 m (measured), deepest dive — (modelled)May 30Jun 2, 2019 — seafloor 35 m (measured), deepest dive — (modelled)Jul 7, 2019 — seafloor 18 m (measured), deepest dive — (modelled)Jul 12, 2019 — seafloor 44 m (measured), deepest dive — (modelled)Jul 14, 2019 — seafloor 78 m (measured), deepest dive — (modelled)Jul 14Jul 16, 2019 — seafloor 86 m (measured), deepest dive — (modelled)Aug 1, 2019 — seafloor 84 m (measured), deepest dive — (modelled)

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
19
Sightings
138
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. 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 · Aug 1, 2019

measured
Seafloor depth
84 m
Sea-surface temperature
14.8°C
Distance from shore
10.0 km

Across the residency · 19 sightings

measured
Seafloor depth
18 m – 507 m
Sea-surface temperature
12.0°C – 14.8°C
Distance from shore
2.0 km – 11.0 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 19 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.