Christmas Viviparous Brotula

This species is distinguished by the following characters: vertebrae 11+32=43; dorsal fin rays 78; anal fin rays 67; head with narrow scale patch on cheeks with 3 rows on upper cheek and 2 rows on lower cheek; operculum scaleless; stubby snout profile; lower preopercular pore 1; otolith with undifferentiated, short sulcus, dorsal rim anteriorly expanded, posteriorly depressed, otolith length to otolith height 2.15, otolith length to sulcus length 2.3 (Ref. 88966).

Dorsal soft rays (total): 78; Analsoft rays: 67; Vertebrae: 43

Cryptic and solitary, inhabits reef crevices (Ref. 90102).

Paradiancistrus christmasensis, commonly known as the Christmas viviparous brotula, is a species of viviparous brotula native to the waters around Christmas Island and the south-eastern Indian Ocean. This species grows to a length of 6.8 centimetres (2.7 in) SL.