HYPHESSOBRYCON EQUES PDF

Vanuit het Engels wordt door sommige winkels ook wel Serpae Tetra als naam gevoerd. In het Nederlands wordt hij ook wel Rode Minor genoemd. De maximale lengte van de Hyphessobrycon eques is 4,5cm. Verspreiding en leefgebied.

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Click here to find the heater we recommend for an aquarium of this size. To search for other high quality aquarium heaters in your area, click here. Click on the following links to search for high quality live, frozen and dry food: Bloodworm , Daphnia. To find other high quality, highly recommended foods click here. A group of at least specimens should be considered the minimum requirement since this increases the likelihood that the fish will be distracted by each other rather than their tankmates but will result in a more effective, natural-looking display.

If geography is not an issue many rainbowfishes and cyprinids are also suitable, but be sure to research your choices thoroughly before purchase. Sexual Dimorphism Sexually mature females are noticeably rounder-bodied and a little larger than males. However if you want to maximise yield a more controlled approach is required.

When the adult fish are well-conditioned a single pair or group comprising one or two males and several females can then be introduced to each container and left in place until eggs are detected typically the following morning.

Characiformes is among the most diverse orders of freshwater fishes currently including close to valid species distributed among 19 families. This tremendous taxonomical and morphological diversity has historically impaired the ability of researchers to resolve their genetic relationships with many taxa remaining incertae sedis.

A further limiting factor has been that in many cases exhaustive study of these on an individual basis is the only way to resolve such problems. Modern phylogenetic techniques have allowed some headway, though, and a molecular investigation of characiform relationships by Calcagnotto et al. Their results suggest that Hyphessobrycon is a member of a clade also containing the genera Astyanax, Astyanacinus, Moenkhausia, Inpaichthys, and Hemigrammus, of which all species possess five or more teeth in the inner series of the premaxilla.

A more extensive analysis by Oliveira et al. Hyphessobrycon was raised by Durbin in Eigenmann as a subgenus of Hemigrammus, differing from the latter by the absence of scales on the caudal-fin. They did not offer any hypotheses regarding relationships between the remaining species although Hyphessobrycon has long been recognised as a polyphyletic lineage and thus is likely to be split into several genera in the future.

De Carvalho redescribed H. He concluded that Hyphessobrycon sensu stricto should be restricted to a monophyletic group of 24 species which share the unambiguous synapomorphy of the Weberian apparatus being orientated dorso-horizontally though the dorsal margin of the operculum with other defining characters comprising a black spot in the dorsal-fin and lack of visible lateral-line except in some specimens of H.

This group contains H. References Calcagnotto, D. Schaefer, and R. DeSalle, - Molecular Phylogenetics and Evolution 36 1 : Relationships among characiform fishes inferred from analysis of nuclear and mitochondrial gene sequences. Oliveira, C. Avellino, K. Abe, T. Mariguela, R. Benine, G. Orti, R. Vari, and R. Reis, R. Kullander and C. Ferraris, Jr. Steindachner, F.

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