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Mira

Dusky Shark

water

Dusky Shark (Carcharhinus obscurus) is the marine animal followed in the study “Mira · Dusky Shark — OCEARCH animal”. Positions come from a satellite tag. The newest published position was recorded 20 Aug 2026, 6:57 am. This is an OCEARCH animal. This is a published observation, not a live location.

Finding a photograph…
Satellite photograph centred on the latest published position of this Dusky Shark.
Satellite photograph of the latest published position. Imagery: Esri, Maxar, Earthstar Geographics, and the GIS User Community.
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Tamara's note

Mira · Dusky Shark — OCEARCH animal: 52 historical reports newly added to this application.

Movement summary

Window 16 May 2025, 12:17 am → 20 Aug 2026, 6:57 am · 52 accepted reports · algorithm movement-summary/1.0.0

Reported-position distance
944 km
Segments / gaps
12 / 11
Longest gap
161.8 days
Median interval
7 h
Fastest segment
171.9 km/h between reports
Flagged for review · 56 flags
  • source qc · 52 flags across 52 reports
    Source QC flags: ocearch_animal.
  • implausible displacement rate · 4 flags across 8 reports
    Displacement of 49 km in 0.3 h exceeds the review threshold; may reflect positioning uncertainty, assignment problems or an outlier.

11 gap(s) longer than the 120 h gap rule; the route during each gap is unknown.

Deployments

TagTechnologyStartedEndedStatusReports
satellite argossatellite_argos20 Aug 2026, 6:57 am20 Aug 2026, 6:57 amReporting52

Planet Journal

Journey available

Mira · Dusky Shark — OCEARCH animal

Mira · Dusky Shark — OCEARCH animal: 52 historical reports newly added to this application.

Published 26 Oct 2026, 9:35 am · evidence checked 26 Oct 2026, 9:35 am

Journey available

Mira · Dusky Shark — OCEARCH animal

Mira · Dusky Shark — OCEARCH animal: 52 historical reports newly added to this application.

Published 26 Oct 2026, 9:07 am · evidence checked 26 Oct 2026, 9:07 am

References

  1. Mira is an OCEARCH animal. Tracking data courtesy of OCEARCH (ocearch.org/tracker). link

Generated 26 Oct 2026, 1:33 pm under publication policy policy:atn-erddap:default@1,policy:crossref:metadata@1,policy:gbif:default@1,policy:motus@1,policy:obis:default@1,policy:ocearch:default@1,policy:otn-geoserver:default@1,policy:stc:default@1.