Paracallionymus

{{Short description|Genus of fishes}}

{{Speciesbox

| image =

| genus = Paracallionymus

| parent_authority = Barnard, 1927

| species = costatus

| authority = (Boulenger, 1898)

| synonyms = *Callionymus costatus Boulenger, 1898

• Paracallionymus fowleri Poll, 1949

}}

Paracallionymus costatus, the ladder dragonet, is a species of dragonet found along the southern coast of Africa from Namibia to Mozambique where it occurs at depths of from {{convert|55|to|400|m|ft}}. This species grows to a length of {{convert|15|cm|in}} TL. This species is the only known member of the genus Paracallionymus.{{FishBase |genus= Paracallionymus|species= costatus| month = February | year = 2013}}