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Conant, 1896

Hooks: 7-9; anterior teeth: 3-7; posterior teeth: 6-14.
Maximum adult body length: 11 mm; tail: 27-31 %.
Body slender; transversal musculature absent; head narrow; hooks not serrated. Fin bridge absent. Anterior fins short, fully rayed, rounded; posterior fins of medium length, fully rayed, angular. Collarette short; gut diverticula absent. Small eyes, with round pigment spot. Seminal vesicles with knob and trunk; position of seminal vesicles: touching both posterior fins and tail fin. Ovaries short, reaching to anterior end of posterior fins; ova large. Adhesive papillae and adhesive organs absent. Apical glands absent.

Distribution: epipelagic; Indo-Pacific, between 30°N and 30°S.


Type locality:

Sagitta tenuis