How to Spot a Predatory Journal Before You Submit (And What to Do If You Already Did)

The email usually opens the same way: "Dear Esteemed Researcher," a compliment about how your recent work is "absolutely prominent" in the field, and an invitation to submit to a journal you've never heard of, with peer review promised inside seven days. It's a pattern recognizable enough that most experienced academics delete it without a second look — and specific enough that early-career researchers, under real pressure to publish, fall for it constantly.

A coalition of publishers and editors from ten countries settled on a working definition: predatory journals and publishers prioritize their own interest over scholarship, and they're marked by misleading information, a lack of transparency, and aggressive, indiscriminate solicitation. In practice, that means charging authors a fee while skipping the editorial work a fee is supposed to fund — real peer review, real editing, real indexing.

How thin the editorial vetting actually is

It's tempting to assume "predatory" is an exaggeration, that these journals do some version of review even if it's rushed. A 2017 sting operation, sometimes called the "Dr. Fraud" experiment, tested that assumption directly: researchers built a fake academic profile with no real publishing history and clearly unqualified credentials, then applied for editorial board positions at hundreds of journals. More than 120 out of 360 journals offered the fabricated "Dr. Fraud" an editorial role within hours or days, with essentially no background check — and most of those journals were already on a known list of probable predatory publishers. If a journal will hand an editorial title to a profile that doesn't exist, it's a reasonable bet that the same journal isn't reading submitted manuscripts carefully either.

A separate survey effort, described in a Nature commentary, sheds light on how this looks from the author's side. The researchers surveyed authors who had published with OMICS, a publisher found by a U.S. federal court to have engaged in deceptive business practices and ordered to pay over $50 million in damages, though the company reportedly continued operating afterward. Most respondents were based in low- and middle-income countries, and some had knowingly chosen the journal for its speed rather than its rigor, viewing it as a pragmatic way to get ahead in a system they experienced as cut-throat and unfair. A few respondents even mistook the survey itself for a publishing solicitation, replying with thanks in advance for their "next quick publication" — a small detail that says a lot about how normalized fast, low-scrutiny publishing had become for some of them.

The patterns to watch for

A handful of signals show up across nearly every documented predatory journal, and any one of them alone might be nothing, but several together are a real warning:

• Vague or unusually broad scope, designed to accept as many submission types as possible rather than serve a defined research community.
• No real contact information — a web form instead of a physical address, or an address that, checked on a map, doesn't look like it houses an editorial operation.
• Fees disclosed only after acceptance, rather than clearly published before you submit.
• Suspiciously fast turnaround, with full "peer review" completed in days rather than weeks.
• Editorial board members who don't know they're listed — a pattern common enough that contacting a board member directly to ask about their experience is a legitimate verification step.
• A name deceptively similar to an established journal, sometimes paired with a publisher location that turns out to be different from what the branding implies.
• Fabricated metrics with official-sounding names like Universal Impact Factor, Global Impact Factor, or CiteFactor — none of which are recognized by Clarivate or Scopus, and all of which exist specifically to mimic a real impact factor for journals that can't earn one.

Animated graphic cycling through the seven predatory journal red flags

If you've already submitted, or already paid

This happens to careful people too, especially early in a career, under deadline pressure, with limited mentorship on what "legitimate" looks like. If you're in this position, a few things are worth knowing. A predatory journal generally has no real legal standing to force payment if you decline, since their own conduct is what's questionable in the first place — at most, they may threaten to contact your supervisor or institution, which is a pressure tactic more than an actual consequence. Some will ask for a separate "withdrawal fee" to release a manuscript already submitted; you're not obligated to pay it, though the manuscript may be effectively unusable elsewhere either way once it's been claimed by another outlet. The better move, even though it's uncomfortable, is telling your advisor or institution directly rather than trying to quietly undo it — most supervisors have seen this before and would rather help than punish a researcher for an honest mistake made under publish-or-perish pressure.

Verification tools worth bookmarking

Before your next submission, a short list of resources can catch most of what a quick gut-check might miss: Think. Check. Submit. walks through a structured checklist for evaluating a journal's legitimacy; the DOAJ flags journals that falsely claim DOAJ membership; Retraction Watch maintains a running list of journals that have been hijacked or compromised; and the Web of Science Master Journal List lets you confirm whether a claimed impact factor is real or invented.

Worth adding to that list: searching the journal by name on Sciverdict, where verified authors describe their actual submission experience — including the fee surprises, suspiciously fast reviews, and unresponsive editors that don't show up in a journal's own marketing copy, but do show up in what real people who submitted there have to say.

If you've encountered a journal that matched any of these patterns, writing down what happened helps the next researcher recognize it faster than you did. Create a free account on Sciverdict to check a journal before you submit, or to leave a record behind if you've already learned this lesson the hard way.

References

1. Grudniewicz, Agnes, David Moher, Kelly D. Cobey, et al. "Predatory journals: no definition, no defence." Nature 576 (2019): 210–212.
2. Sorokowski, Piotr, Emanuel Kulczycki, Agnieszka Sorokowska, and Katarzyna Pisanski. "Predatory journals recruit fake editor." Nature 543 (2017): 481–483.
3. "Predatory journals entrap unsuspecting scientists. Here's how universities can support researchers." Nature, 2023.
4. Federal Trade Commission. "Court Rules in FTC's Favor Against Predatory Academic Publisher OMICS Group, Imposes $50.1 Million Judgment." April 2019.
5. George Washington University, Himmelfarb Health Sciences Library. "Red Flags — Predatory & Problematic Publishing."
6. Think. Check. Submit. thinkchecksubmit.org
7. Directory of Open Access Journals. doaj.org
8. Retraction Watch. "The Retraction Watch Hijacked Journal Checker."
9. Clarivate. "Web of Science Master Journal List."