IUCN Red List data observations

An unofficial, independent review to support data improvement · IUCN Red List version 2026-1

Taxa with no current assessment

Source: IUCN API · 4,218 rows

The table below lists IUCN-assessed species and other taxa from the IUCN API where none of the taxon's assessments is flagged as the current (latest) one. This commonly happens when a taxon was removed from the Red List, merged into another taxon, or reclassified, so only historical assessments remain. The most recent assessment is shown for context. The count is a minimum: it covers the taxa retrieved from the API, which may not be every taxon in the release.

Why it matters

These pages are easy to mistake for current assessments on the Red List website. Many do not come up through search on iucnredlist.org, yet each stays reachable through its direct species URL. Some of the pages include a note such as "(This concept is no longer recognised)", but it is easy to overlook, and many have no such note at all.

Suggestion

If the taxon is still valid, flag its most recent assessment as current. If it was removed, merged, or reclassified, add a final 'Not Evaluated' assessment. Either way, adjust how old assessments display on the website so they cannot be mistaken for current ones.

Change since 2025-2

In release 2025-2 this list held 3,898 taxa; in 2026-1 it holds 4,218 (up 320). Both figures are minimums, covering the taxa retrieved from the API at the time.

By class

ClassCount
MAGNOLIOPSIDA917
INSECTA735
AMPHIBIA725
ACTINOPTERYGII395
GASTROPODA395
REPTILIA277
MAMMALIA228
AVES193
ANTHOZOA92
LILIOPSIDA79
CHONDRICHTHYES77
BIVALVIA38
CYCADOPSIDA29
PINOPSIDA9
MALACOSTRACA6
COLLEMBOLA5
HYDROZOA4
TURBELLARIA3
CEPHALASPIDOMORPHI2
HOLOTHUROIDEA2
JUNGERMANNIOPSIDA2
POLYPODIOPSIDA2
PETROMYZONTI1
UDEONYCHOPHORA1
GNETOPSIDA1

Preview

Scientific nameCommon nameClassOrderFamilyLast statusLast assessedSIS idRed ListDetail
Atherina boyeriBig-scale Sand SmeltACTINOPTERYGIIATHERINIFORMESATHERINIDAELC20112352viewNo assessment is flagged current. Most recent assessment: LC (2011). The taxon may have been removed, merged, or reclassified.
Basilichthys australisACTINOPTERYGIIATHERINIFORMESATHERINOPSIDAELR/nt19962603viewNo assessment is flagged current. Most recent assessment: LR/nt (1996). The taxon may have been removed, merged, or reclassified.
Basilichthys microlepidotusACTINOPTERYGIIATHERINIFORMESATHERINOPSIDAEDD19962604viewNo assessment is flagged current. Most recent assessment: DD (1996). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Ankavia-Ankavanana'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444475viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Bemarivo'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444467viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Betampona'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444468viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Garassa'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEDD200444466viewNo assessment is flagged current. Most recent assessment: DD (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Lazana'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444469viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Mahanara'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444470viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Makira'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEDD200444476viewNo assessment is flagged current. Most recent assessment: DD (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Manombo'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAECR200444471viewNo assessment is flagged current. Most recent assessment: CR (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Namorona'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444473viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Nosivola'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAEVU200444472viewNo assessment is flagged current. Most recent assessment: VU (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Sambava'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAECR200444474viewNo assessment is flagged current. Most recent assessment: CR (2004). The taxon may have been removed, merged, or reclassified.
Bedotia sp. nov. 'Vevembe'ACTINOPTERYGIIATHERINIFORMESBEDOTIIDAECR200444477viewNo assessment is flagged current. Most recent assessment: CR (2004). The taxon may have been removed, merged, or reclassified.

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