Huffmanela filamentosa is a parasitic nematode[1] It has been observed on the gills of the lethrinid fish Gymnocranius oblongus and Gymnocranius grandoculis off New Caledonia. Its eggs are released from the gill mucosa with the turnover of living tissues and immediately continue their life-cycle.
The adults are unknown, only the eggs were described. The eggs are 48–53 micrometers in length and 25–30 micrometers in width, with thin shells. Each egg bears a few long (150 micrometers), thin filaments.