Possible toxic effects of the marine blue-green alga, Spirulina subsalsa, on the blue shrimp, Penaeus stylirostris

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31 Scopus citations

Abstract

Blooms of a marine species of blue-green algae identified as Spirulina subsalsa (Cyanophyta, Oscillatoriacae) were found to be related to a particular disease syndrome in raceway-reared blue shrimp, Penaeus stylirostris. The disease was characterized by necrosis of the lining epithelium of the midgut, dorsal cecum, and hindgut gland, and a consequent hemocytic enteritis. Bacterial infections due predominately to Vibrio alginolyticus were common in affected shrimp and presumed to be a secondary condition resulting from necrosis of the gut epithelium. These bacterial infections were expressed as local abscesses near or on the gut or as fulminating septicemias.

Original languageEnglish (US)
Pages (from-to)139-150
Number of pages12
JournalJournal of Invertebrate Pathology
Volume32
Issue number2
DOIs
StatePublished - Sep 1978

Keywords

  • Penaeus stylirostris
  • Spirulina subsalsa
  • Vibrio alginolyticus
  • bacterial infections
  • hemocytic enteritis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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