A Marginellid Gastropod Parasitizes Sleeping Fishes
The marginellid gastropod Hydroginella caledonica (Jousseaume, 1876) has been observed parasitizing sleeping fishes of the families Scaridae, Serranidae and Pomacentridae at coral reefs in New Caledonia during the night, The snail inserts its proboscis in the fish tissues and probably pumps some body fluids. Fish parasitism is also exhibited by another species in the genus Tateshia Kosuge, 1986, here transferred from the Olividae to the Marginellidae. Several Indo-Pacific marginellids conchologically resemble H. caledonica, and it is anticipated that more species in the family will prove to have a similar feeding biology.
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Document Type: Research Article
Publication date: July 1, 1989
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