Name: Aeromonas eucrenophila Schubert and Hegazi 1988

Category: Species

Proposed as: sp. nov.

Etymology: eu.cre.no’phi.la. Gr. adv. eû, good; Gr. fem. n. krênê, well, spring, fountain; N.L. fem. adj. suff. -phila, friend, loving; from Gr. fem. adj. philê, loving; N.L. fem. adj. eucrenophila, good well water

Pronunciation, gender: e͡u-kre-NO-p^hi-la, feminine

Type strain: ATCC 23309; CCUG 30340; CIP 76.17; DSM 17534; JCM 8238; LMG 3774; NCIMB 74; NCMB 74

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X60411 Analyse FASTA

Effective publication: Schubert RH, Hegazi M. Aeromonas eucrenophila species nova Aeromonas caviae a later and illegitimate synonym of Aeromonas punctata. Zentralbl Bakteriol Mikrobiol Hyg A 1988; 268:34-39.

IJSEM list: Anonymous. Validation list no. 27. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:449.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Emendations:
  • Huys et al. 1997 Huys G, Kampfer P, Altwegg M, Coopman R, Janssen P, Gillis M, Kersters K. Inclusion of Aeromonas DNA hybridization group 11 in Aeromonas encheleia and extended descriptions of the species Aeromonas eucrenophila and A. encheleia. Int J Syst Bacteriol 1997; 47:1157-1164. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 4 of the IJSB. Int J Syst Bacteriol 1998; 48:329-330.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • 🧍 The strains of Aeromonas eucrenophila subgroup II are classified in the species Aeromonas encheleia Esteve et al. 1995 emend. Huys et al. 1997.

• 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 = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, 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 17 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 species itself.
  • 🧍 This name was subject to a Request for an Opinion. Publication: Farmer JJ, Holmes B. Conservation of the name Aeromonas eucrenophila over the name Aeromonas punctata for the organism based on type stain NCMB 74^T and universally defined as 'Aeromonas DNA hybridization group 6'. Int J Syst Evol Microbiol 2020; 70:2158-2162.
  • 🧍 In Validation List no. 27, the reference of the effective publication is erroneously cited as follows. Publication: Schubert RH, Hegazi M. Aeromonas eucrenophila species nova Aeromonas caviae a later and illegitimate synonym of Aeromonas punctata. Zentralbl Bakteriol Mikrobiol Hyg A 1988; 268:34-39.

Parent taxon: Aeromonas Stanier 1943 (Approved Lists 1980)

Assigned by: Schubert RH, Hegazi M. Aeromonas eucrenophila species nova Aeromonas caviae a later and illegitimate synonym of Aeromonas punctata. Zentralbl Bakteriol Mikrobiol Hyg A 1988; 268:34-39.

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Record number: 772899