Results 21 to 30 of about 4,731 (218)

Effect of different level of red cabbage (Brassica oleracea) as natural pigment on skin coloration and growth of Severum (Heros severus) [PDF]

open access: yesتغذیه آبزیان, 2016
Considering the effect of dietary pigment on growth and market acceptability, this study was conducted to determine the effect of different levels of red cabbage powder on growth performance and coloration of Severum (Heros Severus).
Ehsan Asadi Sharif   +1 more
doaj   +1 more source

Claves para la identificación de los peces de las aguas continentales e insulares de Costa Rica. Parte II: Cichliformes, Cichlidae (Mojarras, Guapotes, Tilapias y afines)

open access: yesCuadernos de investigación UNED, 2022
Introducción: Los cíclidos (Cichlidae, Cichliformes) constituyen una de las familias de peces dulceacuícolas más diversas en el planeta. En Costa Rica cerca de un 10% del total de las especies conocidas pertenecen a este grupo.
Arturo Angulo, Jorge San Gil León
doaj   +1 more source

Use of Citizen Science to Determine Prey Partitioning Between Two Coastal Raptors. [PDF]

open access: yesEcol Evol
In Australia, Eastern Osprey (Pandion haliaetus cristatus) and White‐bellied Sea‐Eagle (Haliaeetus leucogaster) occupy the same ecological niche and are suspected of partitioning prey resources. This study investigated this through evaluating the breadth, overlap and partitioning of diets recorded from social media posts.
Biggs L   +7 more
europepmc   +2 more sources

Social media: an emerging, fast, cheap, and effective tool for detection of non-native fish species [PDF]

open access: yesActa Limnologica Brasiliensia
Aim People share on social media images (photos and videos) about their daily lives, mainly related to leisure. Ecological studies using data from social media have been growing, demonstrating that validating this information lends confidence to the ...
Johnatas Adelir-Alves   +6 more
doaj   +1 more source

No evidence for sex chromosomes in natural populations of the cichlid fish Astatotilapia burtoni

open access: yesG3: Genes, Genomes, Genetics, 2023
Sex determination (SD) is not conserved among teleost fishes and can even differ between populations of the same species. Across the outstandingly species-rich fish family Cichlidae, more and more SD systems are being discovered. Still, the picture of SD
Nicolás Lichilín   +2 more
doaj   +1 more source

Fish distribution in a small domestic water supply reservoir: a case study of Kangimi Reservoir, Kaduna, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2005
A study of the composition and distribution of fish populations in the inshore, surface and bottom water habitats of Kangimi Reservoir showed that the most abundant family was the Cichlidae followed in order of abundance by the families Cyprinidae ...
JK Balogun
doaj   +1 more source

Scale deformities in Nile tilapia, Oreochromis niloticus, (Actinopterygii: Cichlidae) from Sudan [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2005
Scale deformity in Nile tilapia, Oreochromis niloticus, (Actinopterygii: Cichlidae) is reported for the first time from Dongola, north of Sudan. The abnormal scales are fused pairs, with two well-developed foci.
L.A. Jawad
doaj   +3 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

The Early Development of the Blue-Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae). [PDF]

open access: yesEvol Dev
We document the early development of Cryptoheros spilurus, highlighting rapid cranial differentiation, sensory organ formation, and fin development. Ontogenetic allometry and ultrastructural traits reveal functional adaptations for early foraging and locomotion, offering insights into ecological success and the developmental basis of cichlid ...
Contreras-Tapia RA   +5 more
europepmc   +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

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