The Length-Weight Relationships and Condition Factors of Potamocorbula faba Hinds., 1843 in the Permisan Bay, East Java, Indonesia

This study aims to determine the length of time the irradiation of LED lights is suitable for aquascape
ornamental plant performance, fish survival and water quality in aquascape media. This research was
conducted on 22 April 28 May 2019 in collaboration with Fisheries Faculty of Agriculture, Animal
Husbandry, University of Muhammadiyah Malang. This research uses 2 types of low light aquascape
plants, namely Cryptocorine Wenti and Hidrocotyle Leucepala. This research is an experimental study
using RAL with 4 treatments P0 (control 12 hours of indirect sunlight), P1 (LED lights with a long
exposure time 8 hours), P2 (LED lights with a long exposure time of 10 hours), P3 (LED lights with a
long exposure time of 12 hours) repeated 3 times. The parameters observed include aquascape
ornamental plants such as plant length, stem diameter, wet weight. In the observation of water quality
including temperature, pH, DO, dissolved CO2, and water hardness. In aquascape ornamental fish in
the form of survival rate and growth of ornamental aquascape fish. Analyzed with ANOVA and
continued with the Least Significant Difference Test on parameters that obtained significant
differences.The results showed that the irradiation time of 10 hours had a significant influence on the
stem diameter of the plant, namely P (0.037) <0.05 and the LSD test showed that the length of time the
irradiation of 10 hours of LED lights had a significant effect on the diameter of the aquascape stem. In
the length and wet weight of aquascape ornamental plants did not show significantly different results.
On the parameters of water quality, growth and graduation of fish life also did not show significantly
different results from the treatment of the long exposure time given.