SciSight Ecosystem
WoS SCIE Q4Scopus Q2SCImago #10,247CAS 3区Hybrid

Extremophiles

Abbreviation (ISO):EXTREMOPHILES
Country: Japan•WoS SCIE Quartile: Q4•Scopus SJR: 0.578•SCImago Rank: #10,247•Identifier (ISSN):1431-0651(Print)/1433-4909(Online)•Articles / Year: 38•Estimated Publication Fee (APC): $3,067 USD
Clarivate IF (2026)Q4
2.2
↓ -0.4

Leading citation impact metric from Clarivate Journal Citation Reports

JCR Release Date: 2026-06-17
H-Index (2021)
76

76 papers with at least that number of citations each

WoS: SCIE / JCRQ4
Self-Citation Rate7.7%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
38articles/year
18.7% Gold OA•89.19% Original Research

State Council for Professorship (HĐGSNN) Scoring

Quyết định số 26/QĐ-HĐGSNN ngày 11/7/2025 (Mục quốc tế)

1.50pts
Latest Max Score
Estimated (Dec 26)
Scoring Basis: WoS Q3(IF: 2.2)

HĐGSNN Score History

By article publication year
YearMax ScoreEvaluation DetailsSource
20261.50đ
WoS Q3(IF: 2.2)
🔵 Computed
20251.50đ
WoS Q3(IF: 2.6)
🔵 Computed
20241.50đ
WoS Q3(IF: 2.6)
🔵 Computed
20231.50đ
WoS Q3(IF: 2.9)
🔵 Computed
20221.50đ
WoS Q3(IF: 3.035)
🔵 Computed
20211.50đ
WoS Q3(IF: 2.395)
🔵 Computed
20201.50đ
WoS Q3(IF: 2.462)
🔵 Computed
20191.50đ
WoS Q3(IF: 2.046)
🔵 Computed
20181.50đ
WoS Q3(IF: 2)
🔵 Computed

Note: Domestic journal scores are officially collected from annual HĐGSNN decisions across councils. International journal scores are dynamically computed according to Decision 26/QĐ-HĐGSNN based on quartile and citation metrics in the publication year.

Aims & Scope

Extremophiles features original research articles, reviews, and method papers on the biology, molecular biology, structure, function, and applications of microbial life at high or low temperature, pressure, acidity, alkalinity, salinity, or desiccation; or in the presence of organic solvents, heavy metals, normally toxic substances, or radiation.

Topics Covered (Recognized by AI)
Biology99.6%Genetics96.5%Chemistry95.4%Biochemistry91.5%Geology87.8%Paleontology86.3%Bacteria84.9%Gene73.7%Organic chemistry71.6%Physics62.6%Nuclear magnetic resonance55.3%Enzyme54.2%Ecology34.8%Archaea30.5%Microbiology26.6%Medicine25.2%16S ribosomal RNA24.3%Botany23.3%Thermophile23%

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #10,247Scopus Q2SCImago Profile
Scopus Coverage:1997-2026
Scopus Broad Areas:Biochemistry, Genetics and Molecular BiologyImmunology and MicrobiologyMedicine
Scopus Citation Rank (SJR)Q2
0.578

Weighted prestige citation metric per document indexed in the Scopus database.

Tứ phân vị: Scopus Q2
Scopus H-Index (2025)
105

Measures cumulative publication volume and citation impact.

Scopus Database Indexed (2025)
Citations / Doc (2 years)
2.34

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$3,067 USD

Estimated Article Processing Charge for Open Access publication.

Chi phí ước tính / bài báo

Scopus 3-Year Publication & Citation Window

3-Year Citations300
3-Year Documents113
Citable Documents112

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate41.9%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Medicine (miscellaneous)Q2
MicrobiologyQ3
Molecular MedicineQ3

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
3区 (Zone 3)Biology
Minor Category (Specific Field):
3区BIOCHEMISTRY & MOLECULAR BIOLOGY
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Publisher Review Speed
Updating
Average time to first editorial decision
Online Publication Speed
Updating
Time from acceptance to online publication
Official Acceptance Rate
Updating
Manuscript acceptance rate confirmed by the publisher
Open Access Model
Hybrid
OA publishing option or traditional subscription
Publisher
Springer Japan
Publication Language
English
Frequency
Bimonthly
Founding Year
1997
Editorial Address
SPRINGER TOKYO, 1-11-11 KUDAN-KITA, CHIYODA-KU, TOKYO, JAPAN, 102-0073
Indexing & Databases
SCIEScopusPubMed

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
CategoryIndexRankQuartile
BIOCHEMISTRY & MOLECULAR BIOLOGY
JCRSCIE
258/328Q4
MICROBIOLOGY
JCRSCIE
127/167Q4
BIOCHEMISTRY & MOLECULAR BIOLOGY
JCISCIE
209/328Q3
MICROBIOLOGY
JCISCIE
115/167Q3

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
YearImpact FactorArticles / YearTotal Citations
2026—276
20252.63767
20242.652266
20232.949256
20223.03568536
20212.39545701
20202.462551,103
20192.046811,777
20182941,846
2017—1052,440
2016—1512,443
2015—832,429
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Impact Factor Trend (2018–2024)

Clarivate IF trend for Extremophiles

WoS Q4
1234201820192020202120222023202420252.60
Annual Impact Factor Metric
2025:2.6

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 7.7%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Similar Journals in Discipline

Journals in the same research field with comparable impact metrics

Record UUID: 51a68cda-670b-44f3-9636-d8a54c11261a
Database Updated: 2026-10-01