Very rare goby. Mostly they hang headfirst in caves in the rocks. Therefore they won't be seen very often. Easy to keep.
Ctenogobius nocturnus Smith, 1957
Classification: Biota > Animalia (Kingdom) > Chordata (Phylum) > Vertebrata (Subphylum) > Gnathostomata (Superclass) > Pisces (Superclass) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family) > Gobiinae (Subfamily) > Priolepis (Genus) > Priolepis nocturna (Species)