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

Bread Knife – Residency

18th sighting in Monterey Bay
Fluke of Bread Knife
Bread Knife Confirmed in the catalog @3005
Jan 7 – Nov 10, 2018 · Monterey Bay

Monterey Bay · Jan – Nov 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
18
Days between first and last sighting
307

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 7, 201891 m13.6°C—
Mar 4, 201871 m10.9°C—
Mar 5, 201859 m11.6°C—
Mar 8, 201866 m11.8°C—
Mar 18, 201870 m12.5°C—
Mar 24, 201859 m12.6°C—
Mar 27, 201885 m12.7°C—
Apr 9, 201858 m13.4°C—
Jun 11, 201871 m11.5°C—
Jun 14, 201857 m11.1°C—
Jul 14, 201871 m14.5°C—
Aug 15, 201860 m15.3°C—
Aug 25, 201874 m16.0°C—
Sep 5, 2018210 m15.9°C—
Sep 30, 201895 m14.7°C—
Oct 3, 2018112 m16.0°C—
Oct 24, 201829 m15.9°C—
Nov 10, 201827 m13.4°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
Jan 7, 2018 — seafloor 91 m (measured), deepest dive — (modelled)Jan 7Mar 4, 2018 — seafloor 71 m (measured), deepest dive — (modelled)Mar 5, 2018 — seafloor 59 m (measured), deepest dive — (modelled)Mar 8, 2018 — seafloor 66 m (measured), deepest dive — (modelled)Mar 8Mar 18, 2018 — seafloor 70 m (measured), deepest dive — (modelled)Mar 24, 2018 — seafloor 59 m (measured), deepest dive — (modelled)Mar 27, 2018 — seafloor 85 m (measured), deepest dive — (modelled)Mar 27Apr 9, 2018 — seafloor 58 m (measured), deepest dive — (modelled)Jun 11, 2018 — seafloor 71 m (measured), deepest dive — (modelled)Jun 14, 2018 — seafloor 57 m (measured), deepest dive — (modelled)Jun 14Jul 14, 2018 — seafloor 71 m (measured), deepest dive — (modelled)Aug 15, 2018 — seafloor 60 m (measured), deepest dive — (modelled)Aug 25, 2018 — seafloor 74 m (measured), deepest dive — (modelled)Aug 25Sep 5, 2018 — seafloor 210 m (measured), deepest dive — (modelled)Sep 30, 2018 — seafloor 95 m (measured), deepest dive — (modelled)Oct 3, 2018 — seafloor 112 m (measured), deepest dive — (modelled)Oct 3Oct 24, 2018 — seafloor 29 m (measured), deepest dive — (modelled)Nov 10, 2018 — seafloor 27 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
18
Sightings
307
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 · Nov 10, 2018

measured
Seafloor depth
27 m
Sea-surface temperature
13.4°C
Distance from shore
—

Across the residency · 18 sightings

measured
Seafloor depth
27 m – 210 m
Sea-surface temperature
10.9°C – 16.0°C
Distance from shore
2.0 km – 9.0 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 18 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.