Name: Edwardsiella ictaluri Hawke et al. 1981

Category: Species

Proposed as: sp. nov.

Etymology: ic.ta.lu’ri. N.L. masc. n. Ictalurus, the genus name for catfish; N.L. gen. masc. n. ictaluri, of Icatlurus, of catfish

Pronunciation (Latin), gender: ed-ward-si-EL-la ik-ta-LU-ri, feminine

Type strain: ATCC 33202; CCUG 18764; CDC 1976-78; CIP 81.96; DSM 13697; JCM 1680; NCTC 12122; SECFDL GA 77-52

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB050826 Analyse FASTA

Valid publication: Hawke JP, McWhorter AC, Steigerwalt AG, Brenner DJ. Edwardsiella ictaluri sp. nov., the causative agent of enteric septicemia of catfish. Int. J. Syst. Bacteriol. 1981; 31:396-400. 🇺🇸

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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 405 times in PubMed until 2026-06-11.
  • 🙆 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 species itself.

Parent taxon: Edwardsiella Ewing and McWhorter 1965 (Approved Lists 1980)

Assigned by: Hawke JP, McWhorter AC, Steigerwalt AG, Brenner DJ. Edwardsiella ictaluri sp. nov., the causative agent of enteric septicemia of catfish. Int. J. Syst. Bacteriol. 1981; 31:396-400. 🇺🇸

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Record number: 775881