Evidence map›Paper›PMID 30363773›Full record

ArticleConservation genetics (Print)2018

Losing cichlid fish biodiversity: genetic and morphological homogenization of tilapia following colonization by introduced species.

Asilatu Shechonge, Benjamin P Ngatunga, Rashid Tamatamah, Stephanie J Bradbeer, Jack Harrington, Antonia G P Ford, George F Turner, Martin J Genner

Abstract read
In one paragraph

Article in Conservation genetics (Print), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. The impacts of biological invasions.Biological reviews of the Cambridge Philosophical Society · 2026
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Asilatu Shechonge1Department of Aquatic Sciences and Fisheries, University of Dar es Salaam, P.O. Box 35064, Dar es Salaam, Tanzania.
Benjamin P Ngatunga1Department of Aquatic Sciences and Fisheries, University of Dar es Salaam, P.O. Box 35064, Dar es Salaam, Tanzania.
Rashid Tamatamah1Department of Aquatic Sciences and Fisheries, University of Dar es Salaam, P.O. Box 35064, Dar es Salaam, Tanzania.
Stephanie J Bradbeer3School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS8 1TQ UK.
Jack Harrington3School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS8 1TQ UK.
Antonia G P Ford4Department of Life Sciences, Whitelands College, University of Roehampton, Holybourne Avenue, London, SW15 4JD UK.
George F Turner5School of Biological Sciences, Bangor University, Bangor, Gwynedd LL57 2UW UK.
Martin J Genner3School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS8 1TQ UK.ORCID 0000-0003-1117-9168

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Among the many negative impacts of invasive species, hybridization with indigenous species has increasingly become recognized as a major issue. However, relatively few studies have characterized the phenotypic outcomes of hybridization following biological invasions. Here we investigate the genetic and morphological consequences of stocking invasive tilapia species in two water bodies in central Tanzania. We sampled individuals from the Mindu Reservoir on the Ruvu river system, and at Kidatu on the Great Ruaha-Rufiji river system. We screened individuals at 16 microsatellite loci, and quantified morphology using geometric morphometrics and linear measurements. In both the Mindu and Kidatu systems, we identified evidence of hybridization between indigenous Wami tilapia (

Indexed as

African freshwater fishesAlien speciesHybridizationTilapia

Identifiers

PMID30363773
PMCPMC6182432

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.