Results 11 to 20 of about 15,069 (222)

Cryptobia iubilans in Cichlids

open access: yesEDIS, 2014
After many years of diagnostics at the University of Florida and at other laboratories around the country, it appears that Cryptobia iubilans is not uncommon among cichlids, and that environmental and other factors determine the extent of disease.
Ruth Francis-Floyd, Roy Yanong
doaj   +5 more sources

Spatial Learning of Individual Cichlid Fish and Its Effect on Group Decision Making

open access: yesAnimals, 2022
Learning and memory abilities and their roles in group decision-making have important ecological relevance in routine activities such as foraging and anti-predator behaviors in fish species.
Jiaxing Long, Shijian Fu
doaj   +1 more source

Mitochondrial genome annotation and phylogenetic placement of Oreochromis andersonii and O. macrochir among the cichlids of southern Africa. [PDF]

open access: yesPLoS ONE, 2018
Genetic characterization of southern African cichlids has not received much attention. Here, we describe the mitogenome sequences and phylogenetic positioning of Oreochromis andersonii and O. macrochir among the African cichlids.
Ian Bbole   +3 more
doaj   +1 more source

Bio‐ecological studies on two cichlids in the Brimsu reservoir of Ghana

open access: yesAquaculture, Fish and Fisheries, 2023
Although small‐scale fisheries and aquaculture provide opportunities to increase fish yield to supplement rural food and income, they remain undeveloped in Ghana.
Elizabeth Agyekumwaa   +2 more
doaj   +1 more source

Testing the performance of environmental DNA metabarcoding for surveying highly diverse tropical fish communities: A case study from Lake Tanganyika

open access: yesEnvironmental DNA, 2020
Background and Aims Environmental DNA (eDNA) metabarcoding provides a highly sensitive method of surveying freshwater fish communities, although studies to date have largely been restricted to temperate ecosystems.
Christopher J. Doble   +6 more
doaj   +1 more source

Cichlid genome modification - Malawi cichlids v1

open access: yes, 2023
Here we provide a microinjection protocol for the modification of cichlid fish via CRISPR or transgenesis. This is our forked version of the protocol provided by Scott Juntti (https://www.protocols.io/view/cichlid-genome-modification-cj5wuq7e), modified for our Lake Malawi cichlid species for both NHEJ knock-outs and HDR knock-ins These protocols ...
Scott Juntti, Bethan Clark
openaire   +1 more source

Assessing the dietary sources of two cichlid species in River Nile sub-branches: Stomach contents, fatty acids and stable isotopes analyses

open access: yesEgyptian Journal of Aquatic Research, 2016
We assess the importance of four different food sources as dietary components of Oreochromis niloticus and Sarotherodon galilaeus in Nile sub-branches using stomach contents, fatty acids (FA) and stable isotopes (SI) analyses.
Mohamad S. Abd El-Karim   +2 more
doaj   +1 more source

A new species of Gyrodactylus (Monogenea, Gyrodactylidae), an ectoparasite from the endemic Iranocichla hormuzensis (Teleostei, Cichlidae), the only Iranian cichlid [PDF]

open access: yes, 2012
Iranocichla hormuzensis occupies a biogeographically peculiar position. This endemic of southern Iran is the only Iranian cichlid. While it is phylogenetically related to African oreochromine members of the cichlid family, it remains unclear how it has ...
Boeger, Walter A.   +5 more
core   +3 more sources

How Cichlids Diversify

open access: yesScience, 2012
The extreme diversity of cichlid fishes in East Africa helps to elucidate how and why organisms diversify.
Santos, M. E., Salzburger, W.
openaire   +1 more source

Evolutionary ecology of opsin gene sequence, expression and repertoire. [PDF]

open access: yes, 2017
Linking molecular evolution to biological function is a long-standing challenge in evolutionary biology. Some of the best examples of this involve opsins, the genes that encode the molecular basis of light reception.
Owens, Gregory L, Rennison, Diana J
core   +1 more source

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