''Anisops'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of insects in the family

Notonectidae Notonectidae is a Cosmopolitan distribution, cosmopolitan family of aquatic insects in the order Hemiptera, commonly called backswimmers because they swim "upside down" (inverted). They are all predators and typically range from in length. They ...

. They're sometimes referred to as backswimmers, so called because they swim upside down.

Taxonomy

''Anisops'' contains the following species: * '' Anisops letitia'' * '' Anisops varia'' * '' Anisops aglaia'' * '' Anisops apicalis'' * '' Anisops gracilis'' * '' Anisops hypatria'' * '' Anisops jaczewskii'' * '' Anisops leesoniana'' * '' Anisops perpulcher'' * '' Anisops poweri'' * '' Anisops praetexta'' * '' Anisops psyche'' * '' Anisops varius'' * '' Anisops amaisi'' * '' Anisops thienemanni'' * '' Anisops hyperion'' * '' Anisops planifascies'' * '' Anisops crinitus'' * '' Anisops wakefieldi'' - Endemic to

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

. * '' Anisops debilis'' * '' Anisops pellucens'' * '' Anisops sardea'' * '' Anisops tahitiensis'' * '' Anisops deanei'' * '' Anisops kuroiwae'' * '' Anisops stali'' * '' Anisops elstoni'' * '' Anisops sardeus'' * '' Anisops nasuta'' * '' Anisops occipitalis'' * '' Anisops assimilis'' - Endemic to

. * '' Anisops ogasawarensis''

References

Notonectidae Insects described in 1837 Taxa named by Maximilian Spinola {{Nepomorpha-stub