Huge Microbe's Value Lies In More Than Just Sheer Size

"Word's biggest bacterium found in a fish," declared the front- page headline in a March 1993 edition of USA Today, while the New York Times trumpeted its coverage with: "In the world of bacteria, a behemoth." Even the relatively staid science journals couldn't resist. Science announced the identification of "Monsters from the guts," and Nature's header read "Giant among the prokaryotes." The extraordinary flurry of interest--and imagery--was over an article in Nature (E.R. Angert, et al., 362:

Written byMyrna Watanabe
| 8 min read

Register for free to listen to this article
Listen with Speechify
0:00
8:00
Share

"Word's biggest bacterium found in a fish," declared the front- page headline in a March 1993 edition of USA Today, while the New York Times trumpeted its coverage with: "In the world of bacteria, a behemoth." Even the relatively staid science journals couldn't resist. Science announced the identification of "Monsters from the guts," and Nature's header read "Giant among the prokaryotes."

The extraordinary flurry of interest--and imagery--was over an article in Nature (E.R. Angert, et al., 362:239-41, 1993) reporting the identification by microbiologist Norman R. Pace's laboratory at Indiana University in Bloomington of the largest bacterium yet known to science: Epulopiscium fisheloni.

The organism, a member of the Clostridium group of anaerobes, had been, according to the report, isolated from the intestine of the brown surgeonfish, Acanthurus nigrofuscus, and it is, indeed, big--up to 600mm long by 80mm in diameter. That translates, the Times reported, to "about the size of ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here

Meet the Author

Published In

Share
Image of a man in a laboratory looking frustrated with his failed experiment.
February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies