As of July 2016, the International Union for Conservation of Nature (IUCN) lists 6919 least concern invertebrate species. 38% of all evaluated invertebrate species are listed as least concern. The IUCN also lists 32 invertebrate subspecies as least concern.

No subpopulations of invertebrates have been evaluated by the IUCN.

This is a complete list of least concern invertebrate species and subspecies as evaluated by the IUCN.

Nemertea Argonemertes hillii

Molluscs

There are 2437 mollusc species and five mollusc subspecies assessed as least concern.

Cnidaria There are 301 species in the phylum Cnidaria assessed as least concern. Hydrozoa

Anthozoa There are 293 species in the class Anthozoa assessed as least concern. Actiniaria Golden anemone (Condylactis aurantiaca) Fat anemone (Cribrinopsis crassa)

Alcyonacea Clavularia crassa

Scleractinia There are 290 species in the order Scleractinia assessed as least concern. Dendrophylliids

Acroporids

Oculinids

Meandrinids

Poritids

Brain corals

Pocilloporids

Mussids

Pectiniids

Siderastreids

Agariciids

Merulinids

Caryophylliids

Fungiids

Astrocoeniids

Rhizangiids Astrangia poculata

Arthropods There are 4069 arthropod species and 27 arthropod subspecies assessed as least concern.

Echinoderms There are 111 echinoderm species assessed as least concern. Sea cucumbers

See also Lists of IUCN Red List least concern species List of near threatened invertebrates List of vulnerable invertebrates List of endangered invertebrates List of critically endangered invertebrates List of recently extinct invertebrates List of data deficient invertebrates

References