4 Corydoras sterbai
Sterba's Corydoras (Corydoras sterbai), also Orangeflossen-, Goldflossen- or yellow fin cory, is in Brazil, in the headwaters of the Rio Guaporé, Headquartered Panzerwelsart. Because of its attractive drawing it is often kept as ornamental fish in aquaria.
The with a total length of eight centimeters rather large catfish is compared to other Corydoras species relatively high backs. The head and back are of light to dark brown color and covered with yellowish points. For tail towards the body sides are streaked brown and yellowish. The belly is white to pink color. The implied by some trivial names fins coloring refers to the first ray of the pectoral fins, which is yellow to bright orange.
During the spawning season every five to seven days there is a pairing, are attached in each case only one or two strong adhesive eggs on the leaf undersides large-leaved aquatic plants. Within a spawning season produces a female about 30 eggs. The larvae hatch after about four days.
Günther Sterba: freshwater fish in the world. Weltbild, Augsburg 2002, ISBN 3-89350-991-7 (unchanged reprint of the Ulmer Publishing House 1990, ISBN 3-8001-7224-0).
Claus Schaefer, Torsten Schröer: The large encyclopedia of hunting. Ulmer, Stuttgart 2004, ISBN 3-8001-7497-9.
Hans-Georg Evers: armored catfish. Ulmer, Stuttgart 1994, ISBN 3-8001-7286-0.
Erythrostigma 8 Hyphessobrycon
Fully grown bleeding heart tetra gain a length of about six centimeters. The body shows a typical elongated diamond shape and is laterally very compressed. The fins are well developed, especially the anal fin. The dorsal fin shows the characteristic shape of an elongated crescent and is of reddish gray color. Base and tips are kept dark. The upper part of the body is gray-brown and is enlivened by reddish shades, while the belly is yellowish. The reflexes of the shed dress change depending on the light. In the middle of the body a bright red round time is visible.
The males are smaller, but more colorful than the females. They are also distinguished by their long extended dorsal and anal fins very well from the females. The coloring of the dress can vary according to mood of the fish.
Apart from the actual bleeding heart tetra, there are two similar types, which are in the hunting of importance: Socolofs bleeding heart tetra (Hyphessobrycon socolofi) and the Rufous bleeding heart tetra (Hyphessobrycon pyrrhonotus).
Rufous bleeding heart tetra (Hyphessobrycon pyrrhonotus)
While H. pyrrhonotus still very good by H. and H. socolofi erythrostigma, must be distinguished by a strong red stripe on the back, because this does not occur in the other, it is between H. and H. socolofi erythrostigma more difficult. Safest and most striking distinguishing feature is the white stripes in the anal fin which at H. erythrostigma is extended in the first two to three fin rays and here forms a hook, so similar to that of H. pyrrhonotus. H. socolofi remains smaller than the other two types.
This beautiful and peaceful tetras should be kept in groups of at least ten animals.
A pool from 80 centimeters in length, water temperature 23-28 ° C and soft water with a pH in the range 5.5-7.5 should be provided. A dark substrate and filtering over peat, with an associated pH slightly acidic (under 7), make colors more intense.
Bleeding heart tetra are mostly staying in the middle water zone. But from there they also take trip to the upper and lower water zone. The group `fällt` case apart often - but closes at the latest in case of imminent danger, back together.
The hitherto rarely propagated in captivity animals prefer a varied diet of dry and live foods. Only the similar Socolofs bleeding heart tetra [...]
Temperature 26.5 ° C
KH 3 ° dH
GH 6 ° dH
0² 3-6 mg / l
CO² about 20 mg / l
NO³ 0 mg / l nitrate filter plant (ion exchanger Lewatit M600).
NO² 0 mg / l
Water change weekly 30%
Flakes, granulated feed, forage tablets cucumber, lettuce and live food (what is being offered by the Zoohfachhandel so).
Stocking updated; Crossocheilus siamensis, and Melanotaenia affinis which can be seen on the main picture still is not part of the pelvis.