FISH CULTURE

Black Ghost Black Ghost (Apteronotus albifrons) comes from South America region and are carnivorous. Original habitat temperature 25-28 ° C; pH 6,5-7,0; and hardness 6-10 ° dH. Her form was like a sheet of leaves or a knife with a plain black color and swim vibrate or slide. Fish is happy with the place was quite dark or dimly lit and will hide when there is a hole, especially in the afternoon. Therefore, in case maintenance is needed provided the hiding place of the roots of trees or paralon pieces. Between males and females difficult to distinguish. Back to the male line a little shorter than females. In addition, the tail fin is narrower in females than males. Spawning can be done in pairs or mass. Mass spawning with male female ratio 1: 2. However, because the size of the parent can be more than 20 tail then the container should be large enough. Cement pond approximately 1.5 cm x 2.0 m usually be used to memijahkan 20 tails. While the aquarium size 100 cm x 40 cm x 40 cm good enoug

topographic engineering requirements of fish ponds Technical aspects In addition to the six socio-economic conditions mentioned above, technical requirements are also important to note. Requirements of this technique include topography, soil, and water. 1. Topography Topography is the overall shape of the land surface (flat, undulating or steep). Topography is our spotlight for the first time will determine the type, area, number, and the depth of the pond which will be made. Sloping land once, can not be built units will form the pool for a small pond and the embankment will be wide. This broad embankment works to hold a large mass of water collected underneath. Similarly, if the soil is too flat, it will cost to dig a big land. It also would complicate disposal of water (drainage). There are six types of places that have character and a special utility for making the pond, which is V-shaped valleys and essentially flat valley ' a. V-shaped valley sharp Do not ever make a fish pon