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@article{1411294,
author = {Nezhybová, Veronika and Reichard, Martin and Blažek, Radim and Ondrackova, Marketa},
article_location = {Hoboken, NJ USA},
article_number = {2},
doi = {http://dx.doi.org/10.1111/btp.1239},
keywords = {distribution patterns; fish intermediate host; habitat variation; Limpopo; Mozambique; Nothobranchius furzeri; paratenic host},
language = {eng},
issn = {0006-3606},
journal = {BIOTROPICA},
title = {Metazoan parasites of African annual killifish (Nothobranchiidae): abundance, diversity, and their environmental correlates},
volume = {49},
year = {2017}
}
TY - JOUR
ID - 1411294
AU - Nezhybová, Veronika - Reichard, Martin - Blažek, Radim - Ondrackova, Marketa
PY - 2017
TI - Metazoan parasites of African annual killifish (Nothobranchiidae): abundance, diversity, and their environmental correlates
JF - BIOTROPICA
VL - 49
IS - 2
SP - 229-238
EP - 229-238
PB - Wiley
SN - 00063606
KW - distribution patterns
KW - fish intermediate host
KW - habitat variation
KW - Limpopo
KW - Mozambique
KW - Nothobranchius furzeri
KW - paratenic host
N2 - Estimates of biodiversity and its global patterns are affected by parasite richness and specificity. Despite this, parasite communities are largely neglected in biodiversity estimates, especially in the tropics. We studied the parasites of annual killifish of the genus Nothobranchius that inhabit annually desiccating pools across the African savannah and survive the dry period as developmentally arrested embryos. Their discontinuous, non-overlapping generations make them a unique organism in which to study natural parasite fauna. We investigated the relationship between global (climate and altitude) and local (pool size, vegetation, host density and diversity, and diversity of potential intermediate hosts) environmental factors and the community structure of killifish parasites. We examined metazoan parasites from 21 populations of four host species (Nothobranchius orthonotus, N.furzeri, N.kadleci, and N.pienaari) across a gradient of aridity in Mozambique. Seventeen parasite taxa were recorded, with trematode larval stages (metacercariae) being the most abundant taxa. The parasites recorded were both allogenic (life cycle includes non-aquatic host; predominantly trematodes) and autogenic (cycling only in aquatic hosts; nematodes). The parasite abundance was highest in climatic regions with intermediate aridity, while parasite diversity was associated with local environmental characteristics and positively correlated with fish species diversity and the amount of aquatic vegetation. Our results suggest that parasite communities of sympatric Nothobranchius species are similar and dominated by the larval stages of generalist parasites. Therefore, Nothobranchius serve as important intermediate or paratenic hosts of parasites, with piscivorous birds and predatory fish being their most likely definitive hosts.
ER -
NEZHYBOVÁ, Veronika, Martin REICHARD, Radim BLAŽEK and Marketa ONDRACKOVA. Metazoan parasites of African annual killifish (Nothobranchiidae): abundance, diversity, and their environmental correlates. \textit{BIOTROPICA}. Hoboken, NJ USA: Wiley, 2017, vol.~49, No~2, p.~229-238. ISSN~0006-3606. Available from: https://dx.doi.org/10.1111/btp.1239.
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