Results 11 to 20 of about 15,148 (219)

Independent evolution of the specialized pharyngeal jaw apparatus in cichlid and labrid fishes [PDF]

open access: yesBMC Evolutionary Biology, 2007
Background Fishes in the families Cichlidae and Labridae provide good probable examples of vertebrate adaptive radiations. Their spectacular trophic radiations have been widely assumed to be due to structural key innovation in pharyngeal jaw apparatus ...
Azuma Yoichiro   +3 more
doaj   +3 more sources

Biologia reprodutiva de Heros efasciatus Heckel, 1840 (Pisces, Cichlidae) na Reserva de Desenvolvimento Sustentável Amanã-AM, visando seu manejo sustentável Reproductive biology of Heros efasciatus Heckel,1840 (Pisces, Cichlidae) in the Amanã Sustainable Reserve (Amazonas, Brazil), aiming at sustainable management of the species [PDF]

open access: yesActa Amazonica, 2010
Com o principal objetivo de fornecer ferramentas para auxiliar na implementação do manejo sustentável de peixes ornamentais na Reserva de Desenvolvimento Sustentável Amanã, Amazonas, foi realizado o estudo da biologia reprodutiva de Heros efasciatus ...
Jana Menegassi del Favero   +2 more
doaj   +4 more sources

Description of Encephalon Morphology of Nile Tilapia Oreochromis niloticus (Linnaeus, 1758) (Perciformes: Cichlidae) From Brazil. [PDF]

open access: yesAnat Histol Embryol
ABSTRACT The Nile tilapia (Oreochromis niloticus) is a cichlid species native to Africa and is widely farmed in tropical and subtropical regions around the world, making it one of the most commercially important aquaculture species. Despite its significance, there is still a lack of detailed anatomical descriptions of its brain.
Pereira ALS   +5 more
europepmc   +2 more sources

Complete Mitochondrial Genome of <i>Gyrodactylus nigeri</i> (Platyhelminthes: Monogenea). [PDF]

open access: yesEcol Evol
The fish Yunnanilus niger is the host of Gyrodactylus nigeri. The mitochondrial genome of G. nigeri is 14,903 bp in length. Phylogenetic analyses indicated that this species belonged to the genus Gyrodactylus and Gyrodactylidae forms an independent monophyletic clade within Gyrodactylidea.
Yang Y   +6 more
europepmc   +2 more sources

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

Molecular and fossil evidence place the origin of cichlid fishes long after Gondwanan rifting. [PDF]

open access: yes, 2013
Cichlid fishes are a key model system in the study of adaptive radiation, speciation and evolutionary developmental biology. More than 1600 cichlid species inhabit freshwater and marginal marine environments across several southern landmasses.
Alex Dornburg   +9 more
core   +1 more source

Aquaculture production and its environmental sustainability in Thailand : challenges and potential solutions [PDF]

open access: yes, 2020
Though aquaculture plays an important role in providing foods and healthy diets, there are concerns regarding the environmental sustainability of prevailing practices.
Goethals, Peter   +5 more
core   +1 more source

Larval development of Hypsophrys nicaraguensis (Pisces: Cichlidae) under laboratory conditions

open access: yesRevista de Biología Tropical, 2011
The cichlid Hypsophrys nicaraguensis is a popular fish known as butterfly, and despite its widespread use as pets, little is known about its reproductive biology.
Alex Molina Arias
doaj   +2 more sources

Complete mitochondrial genome of Copadichromis virginalis (Cichlidae) [PDF]

open access: yesMitochondrial DNA Part B, 2016
In this study, we report the complete mitochondrial genome of Copadichromis virginalis (Cichlidae fish). The mitochondrial genome is 16 704 bp in length and has a base composition of A (27.6%), T (30.1%), C (15.7%) and G (26.6%), demonstrating a slight bias of high AT content (57.6%).
Gao, Jian, Zhao, Jia
openaire   +2 more sources

The first record of the invasive Asian fish tapeworm (Schyzocotyle acheilognathi) from an endemic cichlid fish in Madagascar

open access: yesHelminthologia, 2018
The Asian fish tapeworm, Schyzocotyle acheilognathi (Yamaguti, 1934) (Cestoda: Bothriocephalidea), is an invasive parasite of freshwater fishes that have been reported from more than 200 freshwater fish worldwide. It was originally described from a small
Scholz T.   +3 more
doaj   +1 more source

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