Page "Telescopefish" Paragraph 10

Much less is known of their reproductive habits.

They are presumed to be non-guarding pelagic spawners, releasing eggs and sperm indiscriminately into the water.

The fertilized eggs are buoyant and become incorporated into the zooplankton, wherein they and the larvae remain — likely at much shallower depths than the adults — until metamorphosis into juvenile or adult form.