''Stylophthalmus'' (meaning 'stem-eye') was a name used for what was previously believed to be a genus of fish with eyes perched upon periscopic stalks, known in some cases to be almost one third of the length of the animal's actual body. It is now recognised that all species in this genus are the fish larvae of already named, distantly related fish in the orders

Stomiiformes Stomiiformes is an order of deep-sea ray-finned fishes of very diverse morphology. It includes, for example, dragonfishes, lightfishes (Gonostomatidae and Phosichthyidae), loosejaws, marine hatchetfishes and viperfishes. The order contains 4 ...

and

Myctophiformes The Myctophiformes are an order of ray-finned fishes consisting of two families of deep-sea marine fish, most notably the highly abundant lanternfishes (Myctophidae). The blackchins (Neoscopelidae) contain six species in three genera, while the ...

which may have developed this same trait as a result of convergent evolution. Thus, ''Stylophthalmus'' is an invalid name.

Species

* ''Stylophthalmus lobiancoi'', Mazzarelli, 1909, now recognised as a junior synonym of '' Myctophum punctatum'', Rafinesque, 1810 * ''Stylophthalmus mediterraneus'', Mazzarelli, 1810, now recognised as a junior synonym of ''

Symbolophorus veranyi ''Symbolophorus veranyi'' is a species of fish in the family Myctophidae. References Myctophidae Fish described in 1888 {{Myctophiformes-stub ...

'', Moreau, 1888 *''Stylophthalmus paradoxus'', Brauer, 1902, now recognised as a junior synonym of ''

Idiacanthus fasciola The ribbon sawtail fish, ''Idiacanthus fasciola'', is a barbeled dragonfish of the family Stomiidae Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes. They are quite small, usually around 15 cm, up to ...

'', Peters, 1877WoRMS - World Register of Marine Species - Stylophthalmus paradoxus Brauer, 1902
/ref>

References

{{Reflist Marine fish Obsolete vertebrate taxa