Name: Moritella viscosa (Lunder et al. 2000) Benediktsdóttir et al. 2000

Category: Species

Proposed as: comb. nov.

Basonym: Vibrio viscosus Lunder et al. 2000

Etymology: vis.co’sa. L. fem. adj. viscosa, viscous, because of its thread-forming, adherent colonies

Pronunciation, gender: wis-KO-sa, feminine

Type strain: ATCC BAA-105; DSM 25798; NCIMB 13584; NVI 88/478

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ132226 Analyse FASTA

Valid publication: Benediktsdottir E, Verdonck L, Sproer C, Helgason S, Swings J. Characterization of Vibrio viscosus and Vibrio wodanis isolated at different geographical locations: a proposal for reclassification of Vibrio viscosus as Moritella viscosa comb. nov. Int J Syst Evol Microbiol 2000; 50:479-488.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Vibrio viscosus Lunder et al. 2000	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "t2". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 55 times in PubMed until 2025-06-04.
  • 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus. This name is not taxonomically suspended any more in favour of Vibrio viscosus Lunder et al. 2000. Publication: Lunder T, Sorum H, Holstad G, Steigerwalt AG, Mowinckel P, Brenner DJ. Phenotypic and genotypic characterization of Vibrio viscosus sp. nov. and Vibrio wodanis sp. nov. isolated from Atlantic salmon (Salmo salar) with 'winter ulcer'. Int J Syst Evol Microbiol 2000; 50:427-450. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Parent taxon: Moritella Urakawa et al. 1999

Assigned by: Benediktsdottir E, Verdonck L, Sproer C, Helgason S, Swings J. Characterization of Vibrio viscosus and Vibrio wodanis isolated at different geographical locations: a proposal for reclassification of Vibrio viscosus as Moritella viscosa comb. nov. Int J Syst Evol Microbiol 2000; 50:479-488.

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Record number: 784295