''Nettorhamphos radula'', the duckbilled clingfish, is a species of

clingfish Clingfishes are fishes of the family Gobiesocidae, the only family in the order Gobiesociformes. These fairly small to very small fishes are widespread in tropical and temperate regions, mostly near the coast, but a few species in deeper seas or ...

(family Gobiesocidae) from the Indian Ocean off

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. It is currently the sole member of the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

''Nettorhamphos''.

Discovery and appearance

''Nettorhamphos radula'' was discovered in a jar at the Western Australian Museum and only scientifically described in 2017. The specimen was caught and brought to the museum in the 1977. The species resembles other clingfish in being small (about ) and having a suction cup on its chest, but differs by its large upper jaw that resembles the bill of a duck and its exceptionally high number of microscopic teeth, between 1,800 and 2,300.

References

{{Taxonbar, from1=Q29584014, from2=Q29584012 Gobiesocidae Fish of the Indian Ocean Marine fish of Australia Fish described in 2017