Vibrio owensii

  • Coral pathogen

Overview

Vibrio owensii is a Gram-negative marine bacterium that has emerged as a significant pathogen in aquaculture and marine environments worldwide. This versatile organism infects a diverse range of hosts including corals, shrimp, fish, and other marine invertebrates. Originally identified as a cause of Montipora white syndrome in Hawaiian corals, V. owensii has since been recognized as a major threat to shrimp aquaculture and is increasingly associated with antibiotic resistance, making it a pathogen of considerable concern for marine ecosystems and aquaculture operations.  There is strong evidence linking this pathogen with disease in corals, but although its been reported in fish aquaculture, there is no direct evidence linking it with fish disease.

Affected species (hosts)

Primary Marine Hosts:

  • Corals (Montipora species) – causes white syndrome in Hawaiian reefs
  • Shrimp (Fenneropenaeus merguiensis, Penaeus vannamei) – causes acute hepatopancreatic necrosis disease (AHPND)
  • Manila clams (Venerupis philippinarum)
  • Sea urchins (Tripneustes gratilla) – associated with red spotting disease

Secondary Aquaculture Hosts:

  • Seabass in marine aquaculture systems
  • Abalone in farming operations
  • Brine shrimp (Artemia salina) – used in research models
  • Various reef-associated invertebrates

Environmental Reservoirs:

  • Coral reef seawater communities
  • Aquaculture facility biofilms and water systems
  • Red Sea coral-associated microbiomes

Antibiotic Resistance and Treatment Challenges

Multi-Drug Resistance. V. owensii strains have been identified as multi-drug resistant pathogens in Indonesian marine aquaculture, showing resistance to multiple commonly used antibiotics. This resistance pattern makes treatment particularly challenging and highlights the importance of prevention strategies.

Virulence Factor Expression: The bacterium carries multiple virulence genes including pirAB genes that cause acute hepatopancreatic necrosis disease in shrimp. These factors contribute to high mortality rates and rapid disease progression in affected aquaculture operations.

Biofilm Formation: V. owensii is commonly found in aquaculture biofilms, which can serve as reservoirs for infection and provide protection from antimicrobial treatments. This biofilm-associated lifestyle complicates eradication efforts.

Temperature Sensitivity: Unlike some other Vibrio species, V. owensii abundance appears negatively correlated with temperature in some environments, suggesting that cooler water conditions may favor its proliferation in certain geographic regions.

Management and Prevention Strategies

Prevention. Quarantine new fish and corals for 2-4 weeks minimum, with separate filtration for quarantine systems.  

Testing. Test new arrivals in the QT to make sure they’re pathogen-free before introducing them to your display. 

Beware of antibiotic resistance: Antibiotic resistance is widespread in this group. Avoid antibiotic treatments if at all possible.   

If you must use antibiotics: Many Vibrio species are susceptible to Ciprofloxacin and Oxalinic Acid. Some studies suggest nitrofurantoin or sulfamethoxazole may retain effectiveness against certain strains.

But first see this note about the use of antibiotics in aquariums! 

V. owensii in reef tanks

Prevalence

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Looking at how common this pathogen is in other tanks can help you gauge whether finding it in your tank is expected or unusual.

Abundance Distribution

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Comparing the levels of this pathogen in your tank with those found in other tanks provides a context for interpreting your test results.

References

Ushijima, B., et al. (2012). Vibrio owensii Induces the Tissue Loss Disease Montipora White Syndrome in the Hawaiian Reef Coral Montipora capitata. PLoS ONE, 7(10), e46717. https://doi.org/10.1371/journal.pone.0046717

Torres, M., et al. (2018). AHL-lactonase expression in three marine emerging pathogenic Vibrio spp. reduces virulence and mortality in brine shrimp (Artemia salina) and Manila clam (Venerupis philippinarum). PLoS ONE, 13(4), e0195176. https://doi.org/10.1371/journal.pone.0195176

Liu, L., et al. (2018). A Vibrio owensii strain as the causative agent of AHPND in cultured shrimp, Litopenaeus vannamei. Journal of Invertebrate Pathology, 153, 156-164. https://doi.org/10.1016/j.jip.2018.02.005

Isnansetyo, A., et al. (2022). Identification and antibiotic-resistant properties of Vibrio owensii and V. alginolyticus isolated from the Spermonde Islands, Indonesia. Biodiversitas Journal of Biological Diversity, 23(11), 6154-6162. https://doi.org/10.13057/biodiv/d231154

Dai, L., et al. (2022). Pathogenicity and transcriptome analysis of a strain of Vibrio owensii in Fenneropenaeus merguiensis. Fish & Shellfish Immunology, 130, 150-158. https://doi.org/10.1016/j.fsi.2022.09.008

Wang, Z., et al. (2023). Genomic characterization and comparative genomic analysis of pathogenic Vibrio isolated from aquaculture-grown white-leg shrimp (Penaeus vannamei) in Guangdong and Jiangsu, China. Aquaculture, 576, 739851. https://doi.org/10.1016/j.aquaculture.2023.740302

Raina, J., et al. (2016). Isolation of an antimicrobial compound produced by bacteria associated with reef-building corals. PeerJ, 4, e2275. https://doi.org/10.7717/peerj.2275

Lin, L., & Tsai, Y. (2022). Isolation and characterization of a Vibrio owensii phage phi50-12. Scientific Reports, 12, 16621. https://doi.org/10.1038/s41598-022-20831-2

Mougin, J., et al. (2021). Abundance and spatial patterns over time of Vibrionaceae and Vibrio harveyi in water and biofilm from a seabass aquaculture facility. Aquaculture, 542, 736862. https://doi.org/10.1016/j.aquaculture.2021.736862

Amin, A., et al. (2016). The First Temporal and Spatial Assessment of Vibrio Diversity of the Surrounding Seawater of Coral Reefs in Ishigaki, Japan. Frontiers in Microbiology, 7, 1185. https://doi.org/10.3389/fmicb.2016.01185

Ben Natan, M., et al. (2024). Antibiotic Resistance in Vibrio Bacteria Associated with Red Spotting Disease in Sea Urchin Tripneustes gratilla (Echinodermata). Microorganisms, 12(12), 2460. https://doi.org/10.3390/microorganisms12122460

Malara, D., et al. (2017). Sustainable water treatment in aquaculture – photolysis and photodynamic therapy for the inactivation of Vibrio species. Aquaculture Research, 48(6), 2954-2962. https://doi.org/10.1111/are.13128