''Microichthys'' is a

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 ...

of very small

deepwater cardinalfish Epigonidae, the deepwater cardinalfishes, are a family of perciform fishes. The family includes about 43 species. They are small fishes: the largest, ''Epigonus telescopus'', reaches in length, and most grow to no more than or so. They are f ...

es which were only known from the Strait of Messina in the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...

, although ''M. coccoi'' has recently been recorded in the

Aegean Sea The Aegean Sea ; tr, Ege Denizi (Greek language, Greek: Αιγαίο Πέλαγος: "Egéo Pélagos", Turkish language, Turkish: "Ege Denizi" or "Adalar Denizi") is an elongated embayment of the Mediterranean Sea between Europe and Asia. It ...

and around the

Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

. The currently recognized species in this genus are: * ''

Microichthys coccoi ''Microichthys'' is a genus of very small deepwater cardinalfishes which were only known from the Strait of Messina in the Mediterranean Sea, although ''M. coccoi'' has recently been recorded in the Aegean Sea and around the Azores. The currentl ...

'' Rüppell, 1852 * ''

Microichthys sanzoi ''Microichthys'' is a genus of very small deepwater cardinalfishes which were only known from the Strait of Messina in the Mediterranean Sea, although ''M. coccoi'' has recently been recorded in the Aegean Sea and around the Azores ) , motto ...

'' Spartà, 1950 * '' Microichthys atlanticus'' Fricke, Ordines, Williston, 2020Fricke, R., Ordines, F. & Williston, A. Review of the deepwater cardinalfish genus Microichthys Rüppell 1852, with the description of a new species from the Azores Islands (Teleostei: Epigonidae). Ichthyol Res (2020). https://doi.org/10.1007/s10228-020-00733-x. Retrieved April 1, 2020.

References

Epigonidae {{Perciformes-stub