Physiculus longicavis Parin 1984

Chin barbel short; pyloric caeca 10-11; rounded light organ on abdomen in front of the center of the distance between the end of the bases of the pelvic fins and anal opening; ventral cavity extends to the level of the 13th/14th ray of the anal fin. Caudal fin rounded.

Dorsal spines (total): 0; Dorsal soft rays (total): 73 - 79; Analspines: 0; Analsoft rays: 70 - 74; Vertebrae: 54 - 57