Cichlid species
Condition Factor of Four Cichlid Species of a Man-made Lake in Imo State, Southeastern Nigeria
... The condition factors of four cichlid species, namely Chromidotilapia guntheri, Tilapia cabrae, T. mariae and T. zilli from a man-made lake were studied over a period of 12 months (April 1997 to March ...
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Are accessory hearing structures linked to inner ear morphology? Insights from 3D orientation patterns of ciliary bundles in three cichlid species
... In species without ancillary auditory structures such as swim bladder extensions to the inner ears, the macula sacculi generally shows a “standard” pattern con- sisting of four orientation groups: two horizontal ...
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Inter-guild differences and possible causes of the recovery of cichlid species in Lake Victoria, Tanzania
... less species distinction than the clustering of the old ...these species; reporting a dietary shift to a more carnivorous diet, with overlap between the former “detritivores” and “zooplanktivores” ...
191
Contextual chemosensory urine signaling in an African cichlid fish
... burtoni is a maternal mouth-brooding cichlid species endemic to shallow shore pools of Lake Tanganyika, Africa. Dominant males (~10–30% of the population) are brightly colored and aggressively defend ...
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Constraint and diversification of developmental trajectories in cichlid facial morphologies
... among cichlid species ...affect species-specific developmental ...benthic species LF demonstrates in- creased levels of Wnt signaling relative to more pelagic fish at the onset of craniofacial ...
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Reticulate sympatric speciation in Cameroonian crater lake cichlids
... single species-pairs ...complex species-assemblages is often based on mitochondrial phy- logenies of limited ...true species phylogenies either due to introgressive hybridization among already ...
12
Hypoxia induced changes in hemoglobins of Lake Victoria cichlids
... Victoria species flock, we designed split-brood experiments with four different cichlid species that belong to the same Lake Victoria species flock, but live in different habitats and are ...
9
Are sympatrically speciating Midas cichlid fish special? Patterns of morphological and genetic variation in the closely related species Archocentrus centrarchus
... distinct species of the Midas cichlid group, lakes Apoyo and Asososca Mana- gua host a relatively small number of other fish species (Waid et ...other cichlid species (Parachromis ...
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Deep water parasite diversity in Lake Tanganyika: description of two new monogenean species from benthopelagic cichlid fishes
... Cichlidogyrus species occurring on deep-water cichlid species in Lake Tanganyika, together with genetic analyses and a co- phylogenetic approach, are needed to verify these alter- native ...less ...
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Enzyme activities of pharyngeal jaw musculature in the cichlid Tramitichromis intermedius: implications for sound production in cichlid fishes
... in cichlid pharyngeal musculature might differ with ...all cichlid pharyngeal ...other cichlid species with diverse ecologies or evolutionary histories may elucidate the universality of the ...
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Evolution of host specificity in monogeneans parasitizing African cichlid fish
... of cichlid fish on the African continent, generating a wide range of morphologically and ecologically similar, and phylogenetically closely related congeneric cichlid ...Such cichlid congeners tend ...
14
Genomic Characterization of a B Chromosome in Lake Malawi Cichlid Fishes
... Using an analysis of sequence coverage, we identified 1.37 Mb of the A genome that has been copied to the B chromosome, and which is now shared among several Lake Malawi cichlid species as core B chromosome ...
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Ancestral and derived attributes of the dlx gene repertoire, cluster structure and expression patterns in an African cichlid fish
... selected cichlid species and ...African cichlid fish, Astatotilapia burtoni, and analyzed their molecular phylogenies and their embryonic expres- sion ...
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Depth segregation and diet disparity revealed by stable isotope analyses in sympatric herbivorous cichlids in Lake Tanganyika
... on cichlid diversification Specialization at a specific depth may enhance diversi- ...and cichlid species have adapted and differentiated their ...Tanganyikan cichlid through the repetitive ...
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Adaptive sequence evolution in a color gene involved in the formation of the characteristic egg-dummies of male haplochromine cichlid fishes
... domains, a transmembrane domain, and an intracellular domain with two separate tyrosine kinase domains [23,29] (Figure 4a, c). A sliding window analysis with DNASP [30] uncovered several sections in csf1ra of haplo- ...
13
Fish and chips: functional genomics of social plasticity in an African cichlid fish
... Arginine vasotocin (AVT; represented by multiple clones on the array), the non-mammalian homolog of arginine vasopressin (AVP), was among the most strongly regulated genes in this study, being upregulated in the brains ...
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Niche divergence facilitated by fine-scale ecological partitioning in a recent cichlid fish adaptive radiation
... incipient species, were differentiated in morphological and ecological comparisons (sug- gesting a benthic-shallow littoral habitat divergence) and showed low genome-wide divergence with peaks of elevated ...
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Cognitive skills and the evolution of social systems
... Characteristic species-specific behavioral patterns are favored by selection, leading to optimal behavioral rules (McNamara and Houston, ...Animal species typically first respond behaviorally to the ...
11
Brains over brawn: experience overcomes a size disadvantage in fish social hierarchies
... Small differences in body length predict social dominance Relative body length is a reliable predictor of dominance in many species of fish (e.g. Bisazza et al., 1996). That is, when two males with a large size ...
7
Sodium and Water Balance in the Cichlid Teleost, Tilapia Mossambica
... where t is the time, in hours, of influx, Ax is the maximum number of counts in the animal if all the sodium had exchanged, calculated from the specific activity of the bathing medium an[r] ...
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