Journal profile · Microbiology
Acta Protozoologica
ISSN 0065-1583 · eISSN 1689-0027 · Jagiellonian University Press · POLAND · Quarterly · Founded 1963
Acta Protozoologica: CAS Zone 4 · Biology (2025 upgraded edition); impact factor 0.69; fully open access; review over 12 weeks (community reports); community-reported acceptance: easy; 13 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Acta Protozoologica is published by Jagiellonian University Press and is in Zone 4 of Biology in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Protist diversity and phylogeny, Microbial Community Ecology and Physiology and Parasitic Infections and Diagnostics, together about 50.9% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Acta Protozoologica - International Journal on Protistology - is a quarterly journal that publishes current and comprehensive, experimental, and theoretical contributions across the breadth of protistology, and cell biology of Eukaryote microorganisms including: behaviour, biochemistry and molecular biology, development, ecology, genetics, parasitology, physiology, photobiology, systematics and phylogeny, and ultrastructure. It publishes original research reports, critical reviews of current research written by invited experts in the field, short communications, book reviews, and letters to the Editor.
Source: LetPub
Research area (LetPub): Microbiology
Main research topics OpenAlex counts of recent articles; shares are approximate
- Protist diversity and phylogenyBiochemistry, Genetics and Molecular Biology26.2%
- Microbial Community Ecology and PhysiologyEnvironmental Science13.7%
- Parasitic Infections and DiagnosticsImmunology and Microbiology11.1%
- Methane Hydrates and Related PhenomenaEnvironmental Science5.8%
- Marine Biology and Ecology ResearchEarth and Planetary Sciences4.4%
- Parasite Biology and Host InteractionsEnvironmental Science3.9%
- Marine and coastal ecosystemsEarth and Planetary Sciences3.8%
- Myxozoan Parasites in Aquatic SpeciesBiochemistry, Genetics and Molecular Biology3.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Biology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Biology | Zone 4 |
| Minor | Microbiology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Biology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Biology | Zone 4 |
| Minor | Microbiology | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Biology Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Biology | Zone 4 |
| Minor | Microbiology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 0.69LetPub ·
- CiteScore 2026-06
- 2LetPub ·
- SJR 2026-06
- 0.37LetPub ·
- SNIP 2026-06
- 0.96LetPub ·
- h-index
- 34LetPub ·
- h-index
- 38OpenAlex ·
- i10-index
- 378OpenAlex ·
- 2-year mean citedness
- 0.83OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 94.74%LetPub ·
Volume
- Articles per year
- 6LetPub ·
Articles by year OpenAlex count · 1,306 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 2 | 2 | 1 |
| 2025 | 13 | 13 | 11 |
| 2024 | 3 | 3 | 3 |
| 2023 | 5 | 5 | 14 |
| 2022 | 10 | 10 | 67 |
| 2021 | 8 | 8 | 35 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Jagiellonian University Press
- Country or region
- POLAND
- Language
- English
- Frequency
- Quarterly
- Founded
- 1963
- ISSN
- 0065-1583
- Electronic ISSN
- 1689-0027
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
FAQ
Frequently asked questions about Acta Protozoologica
What CAS zone is Acta Protozoologica in?
In the 2025 upgraded edition of the CAS Journal Ranking, Acta Protozoologica is in Zone 4 of Biology, and in Zone 4 of the minor category Microbiology. In the 2026 Xinrui edition it is in Zone 4 of Biology. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Acta Protozoologica?
The latest impact factor listed by LetPub is 0.69; CiteScore 2, h-index 38.
How long does peer review take at Acta Protozoologica?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Acta Protozoologica?
According to LetPub and DOAJ records, Acta Protozoologica is indexed in SCIE, Scopus and DOAJ.
Is Acta Protozoologica open access, and what is the APC?
Acta Protozoologica is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .