Tetra Palmer or royal tetra (Nematobrycon palmeri) – A representative of the Kharacin family was discovered by American collector Palmer, described in 1911 by Eigenmann, an American ichthyologist.
It got into European aquariums in 1959, and was introduced into the USSR in 1965.
Nematobrikon Lekort – Nematobrycon lacortei
Close species are Tetra Lecorta (Nematobrycon lacortei) and Kerry (Inpaichthys kerri).
Kerry – Inpaichthys kerri
Originally from forest streams and small rivers (Atrato, San Juan) flowing in Colombia on the northwestern side of the Cordillera.
Description: elongated body laterally slightly flattened, back line strongly arched. Jaws short, teeth well marked.
The tail fin is of a unique, very characteristic three-blade shape, which is attached to it by long central rays. On the dorsal fin, the first rays are saber-shaped.
Fat fin is missing.
Body color is pinkish-brown with a purple or bluish tint. Belly cream.
The fins are colored greenish-yellow, transparent. From the mouth to the tail stretches a black stripe with a clear above and a blurred lower contour.
The sides below the line are painted dark blue. Anal fin black line and yellow edging at the edges.
The tail’s extreme rays, the plait and the first ray on the dorsal fin are black. Very expressive eye color – emerald blue.
Tetra Palmer – female
Males are brighter, larger, tail and dorsal fins are longer and sharper than those of females, whose fins are shorter and the iris is not so bright. The male’s anal fin has a dark rim.
In females, a more rounded abdomen.
Males reach a size of 6 cm, females are about 5 cm.
Breeders deduced the black form of the royal tetra – Nematobrycon palmeri black.
Arrangement and parameters of the aquarium: A pair of fish can be kept in a 40-liter container, but it is preferable to have a flock of 6 or more individuals in an aquarium of at least 80-100 liters with a predominance of females.
Territorially, in a flock one male always rules and seizes the largest territory. Protecting their possessions, the males swim, slightly leaning forward, the tail raised by 45 degrees at this moment looks like a crown.
In addition to free swimming areas in the aquarium should be densely planted areas of plants. Vallisneria, ekhinodorusy, curly aponoheton, cryptocoryne, Thai fern will work well.
To create a muted and diffused lighting using floating plants.
Aquarium must be with a lid, jumping fish.
The color of the royal tetra is best seen against the background of dark soil, coagulums and islands of dense vegetation.
Water parameters: 22-27 ° С (lower limit 18 ° С, upper 30 ° С), dGH 5-18 °, pH 6-8.
Substitution of 20-30% of water is carried out twice a month. It is desirable to enrich it with peat extract.
Tetra Palmer or Royal Tetra (Nematobrycon palmeri) compatible with their own kind, that is, with small tetras and other fish of similar temperament and size.
Nutrition: omnivorous and with the same pleasure will take all kinds of feed.
Special addiction feeds on mosquito larvae. From live and frozen feed, daphnia, bloodworm, flies, tubule, cyclop, artemia are suitable.
From dry takes both ready mixes, and the crushed oat flakes. It is desirable to include in the diet of plant components.
Reproduction: can reproduce both in a separate and general aquarium. Spawning can be a pair, but it is better to plant the producers in the ratio of two females and one male.
In the 20-liter spawning aquarium placed small-leaved plants and separator mesh. The maximum water level is 15 cm.
Water parameters in spawning: 26-28 ° C, dH 4-8, pH 6-6.8.
spawning aquarium option for Tetra Palmer – Nematobrycon palmeri
To stimulate spawning, the producers are kept separately for 2 weeks and feed mainly on live food.
The productivity of the female is small 50-150 eggs. Parents after spawning immediately set aside.
The water level is reduced to 5-10 cm, and the aquarium is darkened.
Caviar is incubated for 1-2 days, swimming and feeding on juveniles for 4-6 days. At first, the fry take infusoria, live dust and rotifers.
Later – Nauplii Artemia.
royal tetra – teenager
At the age of one month, a dark longitudinal strip appears, one week earlier they begin to swim obliquely, which is typical of adult fish.
They are capable of breeding from 7-12 months.
Lifetime Tetra Palmer or Royal tetras (Nematobrycon palmeri) up to 5 years.