Golden bee shrimp
Tiger shrimp
The tiger shrimp ( Caridina cf cantonensis ) is a freshwater shrimp from southern China. Among the small permanent representatives of Atyidae family, the so-called dwarf shrimp, it belongs next to the bee shrimp and their cultivated varieties, the most popular shrimp in the hobby.
Appearance
The name derives from the growing to about 22 millimeters animals are bluish, reddish or brownish horizontal stripes on a transparent background. This drawing is narrower and more sharply limited than the closely related bee shrimp. As is typical for many freshwater shrimp, there are also several color forms of the tiger shrimp. The short rostrum reaches only up to the second segment of the antenna base. The Uropodenfalte is staffed with 19 to 22 spines and the Rostrumformel the tiger prawn is 3-4 (4-5 ) 9-11 (9 ) / 13 (2). In male animals, the Endopodite ( paddle-like branches of the swimming legs ) are folded the first swimming leg pair ( pleopods ) and widen outwards slightly.
Way of life
Like many of her relatives from the genus Caridina also feeds the tiger prawn of growth on stones and rotting plant material as well as the smallest insect larvae. The reproductive phase lasts from March to October. From the approximately 0.9-1.0 × 0.6-0.7 mm large eggs hatch in form and color their parents very similar and already adapted to a ground- oriented lifestyle larvae.
System
The systematic status of the tiger prawn is unclear. In their region of origin, it is called a Caridina cantonensis, but show adult males from breeding aquariums that deviates from this type of form Endopods the first swimming leg pair. A comparison with type specimens is still pending.
Cultivated forms
The popularity of tiger shrimp in aquarium has led to various cultivated forms. Establishes have besides the actual tiger shrimp
- The tiger prawn Orange Tail (commercially often referred to as Super Tiger Orange Tail ), which has the same color structure as the original form, but is colored in orange on the head and tail;
- Blue tiger shrimp, in which the body is more or less through-dyed in dark blue. This cultivar is generally offered with light eyes ( BLue Orange Tiger Eye);
- The black tiger shrimp, an even darker, almost black Blue Tiger.