Description. Total body length ranged between 10.0 and 11.5 mm. Tail 27.8 - 35.0 % of body length. Hooks 6 - 8. Anterior teeth 9 - 10 and posterior teeth 12 - 20, respectively. Rigid and opaque body (Fig. 18). Head wide as neck, roughly round or square shaped (Fig. 18 A). Grasping spines gently curved and not serrated edge of hooks (Figs 8 B, 9 A). Teeth short and firm (Fig. 9 A). " B " shaped eyes had " T " shaped eye pigments (Fig. 18 B). Collarette on neck (Figs 9 A, 18 A). Anterior fins 22.4 % of body length. Anterior fins beginning just at posterior of ventral ganglion. Starting points of anterior fins 33.1 % and ending points of anterior fins 56.5 % of body length, respectively (Fig. 18 A, D). Posterior fins 25.8 % of body length and 1.2 times longer than anterior fins. Starting points of posterior fins 62.6 % and ending points of posterior fins 88.4 % of body length, respectively. Posterior fins separated from anterior fins and partially rayed. Caudal fin roughly round-triangle shaped, completely rayed (Fig. 18 C). Seminal vesicles pear-shaped with elongated posterior trunk and anterior roundish knob and touching both posterior and caudal fins. (Fig. 18 A, C). Conspicuous intestinal diverticula present (Fig. 9 A). Eggs reached anterior of ventral ganglion. Corona ciliata beginning behind eyes and expanding to anterior of trunk (Fig. 18 A).
Sumber: Taxonomic reassessment of chaetognaths (Chaetognatha, Sagittoidea, Aphragmophora) from Korean waters