Nest Guard Replacement in the Antarctic Fish Harpagifer bispinis: Possible Altruistic Behavior

  title={Nest Guard Replacement in the Antarctic Fish Harpagifer bispinis: Possible Altruistic Behavior},
  author={Robert A. Daniels},
  pages={831 - 833}
  • R. A. Daniels
  • Published 24 August 1979
  • Environmental Science, Biology
  • Science
Nesting biology of the Antarctic plunder fish, Harpagifer bispinis (Schneider), was examined at Arthur Harbor, Antarctic Peninsula, during the austral winter, 1975. Females prepare nest sites, spawn, and guard the eggs for 4 to 5 months, the longest guarded incubation period reported for any fish species. If this guard is removed, it is soon replaced by a conspecific, usually male. If the second guard is removed, a third replaces it. Guards are essential to ensure nest survival. Selfish or… 

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