. . . . . "Photichthyidae" . . "Lightfishes are small stomiiform fishes in the family PhosichthyidaeThey are very small fishes found in oceans throughout the world: most species grow no longer than 10 cm, while those in the genus Vinciguerria only reach 4 cm or so.They make up for their small size with abundant numbers: Vinciguerria is thought \u2014 with the possible exception of Cyclothone \u2014 to be the most abundant genus of vertebrates."@en . "Lightfishes"@en .