O.K. Kareem

University of Ibadan

Publishing since 2015, latest 2026

Aquatic Science
Ecology
Immunology
Nature and Landscape Conservation
Genetics
Molecular Biology

Publications: 152015–2026
Citations: 107to those papers
h-index: 4i10-index 2
Field-weighted impact: 0.371.00 is the world average
World top 10%: 0%0 of 15 scored papers
Open access: 87%13 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Citations received each year

Career

On their papers

Every institution they have given on a paper.

Publications

15 in all

Effects of Spondias mombin Leaf Extract on Growth Performance, Liver Enzymes, and Gut Changes in Hybrid African Catfish (Clarias gariepinus x Heterobranchus bidorsalis)
2026Aquaculture StudiesJournalOpen accessSenior author0 citations10.4194/aquast3199
PHENOTYPIC AND GENETIC DIVERGENCE IN SOME CICHLID POPULATIONS FROM TWO SELECTED BRACKISH WATER BODIES IN BENIN REPUBLIC AND NIGERIA

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To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Aquatic Science1173%
Ecology640%
Immunology320%
Nature and Landscape Conservation320%
Genetics213%
Molecular Biology213%
Physiology213%
Building and Construction17%
Environmental Chemistry17%
Food Science17%

Life Sciences
Physical Sciences

Topics most written on

Fish Biology and Ecology Studies8
Aquatic Ecosystems and Biodiversity6
Aquaculture Nutrition and Growth5
Aquaculture disease management and microbiota3
Fish biology, ecology, and behavior2
Fish Ecology and Management Studies2
Genetic diversity and population structure2
Reproductive biology and impacts on aquatic species2
Aquatic Ecosystems and Phytoplankton Dynamics1
Aquatic life and conservation1
Dyeing and Modifying Textile Fibers1
Essential Oils and Antimicrobial Activity1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

20% of their papers have a co-author abroad

papers co-written1111111Home

Most frequent partner countries

Cameroon1
China1
Egypt1
Ghana1
India1
United States1

Papers with at least one author in that country.

Institutions written with most

Federal College of Freshwater Fisheries Technology BagaNG7 papers
Obafemi Awolowo UniversityNG6 papers
University of IlorinNG2 papers
Federal College of Fisheries and Marine TechnologyNG2 papers
Adekunle Ajasin UniversityNG2 papers
Chinese Academy of SciencesCN1 paper
Indian Institute of Science BangaloreIN1 paper
Kunming Institute of ZoologyCN1 paper
Princeton UniversityUS1 paper
State Key Laboratory of Genetic Resources and Evolution1 paper

Where they publish

African Journal of Food Agriculture Nutrition and Development1
Agricultural Science and Technology1
Aquaculture Research1
Aquaculture Studies1
Comparative Clinical Pathology1
Ecologia1

Development goals addressed

From each paper’s title and abstract

14Life below water4
12Responsible consumption and production2
2Zero hunger1
15Life on land1

Most cited

Effect of guavaPsidium guajava(L.) aqueous extract diet on growth performance, intestinal morphology, immune response and survival ofOreochromis niloticuschallenged withAeromonas hydrophila
Aquaculture Research
201962 citations
Determination of Heavy Metal Levels in Some Commonly Consumed Frozen Fish in Ibadan, Southwest, Nigeria
Research Journal of Environmental Toxicology14
201510 citationsOpen access · Diamond
Assessment of Ichthyofaunal Assemblage of Erelu Reservoir, Oyo, Nigeria
Ecologia

Nigerian Journal of Fisheries

Population Genetic Structure of Three Cichlids in Ilorin, North-Central Nigeria

2022The Iraqi Journal of Veterinary MedicineJournalOpen access1 citation10.30539/ijvm.v46i1.1307

Operational characteristics and financial performance of African catfish hatcheries under different management systems in Ibadan, Nigeria

2020African Journal of Food Agriculture Nutrition and DevelopmentJournalOpen accessSenior author3 citations10.18697/ajfand.91.17730

Aspect of reproductive biology of Parachanna obscura , Gunther 1861 in a southwestern Nigerian reservoir

2019International Journal of Environmental ImpactsJournalOpen accessFirst author4 citations10.2495/ei-v2-n3-272-282

Spatial and temporal limnological status of Erelu Reservoir, southwestern Nigeria

2018Ife Journal of ScienceJournalOpen accessFirst author3 citations10.4314/ijs.v20i3.5

Determination of Heavy Metal Levels in Some Commonly Consumed Frozen Fish in Ibadan, Southwest, Nigeria

2015Research Journal of Environmental ToxicologyJournalOpen accessFirst author10 citations10.3923/rjet.2016.82.87

Egyptian Journal of Aquatic Biology and Fisheries

Global Journal of Fisheries Science1

How it can be read

87% free to read

Diamond 6 · 40%Free to read and to publish
Gold 4 · 27%In an open-access journal
Hybrid 1 · 7%Open in a subscription journal
Bronze 2 · 13%Free to read, no open licence
Closed 2 · 13%Behind a paywall

Open access · Diamond