Complemental males

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(Zool.) peculiar small males living parasitically on the ordinary hermaphrodite individuals of certain barnacles.

See also: Complemental

References in periodicals archive ?
Larval development and complemental males in Chelonibia testudinaria, a barnacle commensal with sea turtles.
Complemental males in the barnacle Bathylasma alearum (Cirripedia: Pachylasmatidae).
The terminology "complemental male" is avoided since it implies an inaccurate function of helping the reproduction of hermaphrodites, and many complemental males are morphologically indistinguishable from dwarf males of related dioecious species (Hoeg, 1995).