|Royal gramma (Gramma loreto)|
D. S. Jordan & Evermann, 1896
Grammatidae is a small family of ray-finned fishes which were formerly placed in the order Perciformes but are now regarded as being incertae sedis in the subseries Ovalentaria in the clade Percomorpha. They are commonly known as basslets. They are marine fish found in the tropical western Atlantic Ocean.
There are two genera:
A number of other species may be called "basslets", in particular members of Serranidae, where they may be called "fairy basslets".