Pseudonotoliparis

Pseudonotoliparis rassi, or Rass' snailfish, is a species of snailfish native to the northwestern Pacific Ocean where it is known from the Boussole Strait in the Kuril Islands. This species has been found at a depth of 2200 m. This species grows to a length of 8.8 cm SL. This species is the only known member of the monospecific genus Pseudonotoliparis.