Results 31 to 40 of about 17,994 (219)

Ontogenetic diet shifts of Oreochromis niloticus and Tilapia rendalli of the Barra Bonita reservoir (Tietê river, São Paulo State, Brazil) - doi: 10.4025/actascibiolsci.v34i3.9971

open access: yesActa Scientiarum: Biological Sciences, 2012
The Nile Tilapia, Oreochromis niloticus, and the Congo Tilapia, Tilapia rendalli, are important members of the African cichlids, and have been introduced to many Brazilian lakes and reservoirs.
Edmir Daniel Carvalho   +2 more
doaj   +3 more sources

Impact of Lernaea cyprinacea Linnaeus 1758 (Crustacea : Copepoda) almost a decade after an initial parasitic outbreak in fish of Malilangwe Reservoir, Zimbabwe

open access: yesKnowledge and Management of Aquatic Ecosystems, 2012
An assessment was carried out on the impact of Lernaea cyprinacea on fish populations ten years after its first outbreak in the Malilangwe reservoir, and Lernaea cyprinacea is currently showing no sign of declining in the ...
Dalu T.   +3 more
doaj   +1 more source

Lateral line morphology, sensory perception and collective behaviour in African cichlid fish

open access: yesRoyal Society Open Science, 2023
The lateral line system of fishes provides cues for collective behaviour, such as shoaling, but it remains unclear how anatomical lateral line variation leads to behavioural differences among species.
Elliott Scott   +6 more
doaj   +1 more source

Maternal mRNA input of growth and stress-response-related genes in cichlids in relation to egg size and trophic specialization

open access: yesEvoDevo, 2018
Egg size represents an important form of maternal effect determined by a complex interplay of long-term adaptation and short-term plasticity balancing egg size with brood size.
E. P. Ahi   +4 more
semanticscholar   +1 more source

Metazoan parasite communities of three endemic cichlid fish species from the upper Grijalva River, Chiapas, Mexico

open access: yesHelminthologia, 2020
We recorded the metazoan parasite communities in three endemic cichlids (Chiapaheros grammodes, Vieja breidohri and V. hartwegi) collected between November 2008 and July 2009 in the upper Grijalva River Basin (GRB), Chiapas, Mexico.
Paredes-Trujillo A.   +3 more
doaj   +1 more source

Invasive cichlids (Teleostei: Cichliformes) in the Amacuzac River, Mexico: Implications for the behavioral ecology of the native Mexican mojarra Amphilophus istlanus

open access: yesWater Biology and Security, 2023
The introduction of species is a leading cause of biodiversity loss and habitat alteration. Several species have invaded Mexican freshwater ecosystems, adversely affecting native fishes.
M. Franco   +4 more
doaj   +1 more source

Social deprivation affects cooperative predator inspection in a cichlid fish [PDF]

open access: yesRoyal Society Open Science, 2015
The social environment individuals are exposed to during ontogeny shapes social skills and social competence in group-living animals. Consequently, social deprivation has serious effects on behaviour and development in animals but little is known about ...
Saskia Hesse   +3 more
doaj   +1 more source

Genetic analyses in Lake Malawi cichlids identify new roles for Fgf signaling in scale shape variation

open access: yesCommunications Biology, 2018
Elasmoid scales are the most common epithelial appendage among vertebrates, however an understanding of the genetic mechanisms that underlie variation in scale shape is lacking.
Craig Albertson   +3 more
semanticscholar   +1 more source

Assessment of fighting ability in the vocal cichlid Metriaclima zebra in face of incongruent audiovisual information

open access: yesBiology Open, 2019
Information transfer between individuals typically depends on multiple sensory channels. Yet, how multi-sensory inputs shape adaptive behavioural decisions remains largely unexplored.
M. Clara P. Amorim   +3 more
doaj   +1 more source

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

open access: yesThe Iraqi Journal of Veterinary Medicine, 2022
Cichlids are among the economically important which serve as a source of food for people ‎around the world. A deep understanding of the population structure and genetic diversity of ‎cichlids are vital for initiation of conservation policies and
Oluyinka A Iyiola   +7 more
doaj   +1 more source

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