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Morphometric Character of Puntius binotatus (Pisces: Cyprinidae) Fish as the Sungi River Conservation Base of Tabanan Regency Bali Suryani S.A.M.Putri; I Wayan Arya; A.A.Sg.Putri Risa Andriani
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 5 No. 2 (2021)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.241 KB) | DOI: 10.29165/ajarcde.v5i2.65

Abstract

Puntius binotatus is a local fish whose population continues to decline because there is not much in cultivation. The introduction of this fish has a negative impact and affects species diversity. Introduced fish in common waters can threaten the presence of native fish due to the phenomenon of hybridization with endemic fish, habitat destruction, predation, and parasites. Invasive fish in rivers have the potential to urge endemic fish habitats so efforts are needed so that invasive fish do not cause local fish to go extinct. The purpose of this study was to study the Morphometric Character of Puntius binotatus (Pisces: Cyprinidae upstream, middle, and downstream of the river due to the process of adaptation to changes in the environment so that local species do not experience extinction because their habitat is disturbed. The difference in morphometric character in upstream, middle, and downstream is due to the adaptation process to environmental changes, namely water quality parameters that have exceeded the standard of quality standards upstream are temperature, ammonia pH, phosphate, and BOD5. In the middle of the parameters that exceed the standard of quality standards are temperature, pH, Ammonia, Phosphate, BOD5, and TSS and downstream, namely temperature, pH, Ammonia, phosphate, BOD5, COD, and TSS have exceeded the standard quality distribution of characters upstream, middle and downstream has a similarity of 75.6% which has similar shapes at all stations and has a close kinship by the form of four morphometric character clusters.
Development of Ornamental Fish Cultivation to Support Fisheries Tourism In The Sari Nadi Group, Marga District, Tabanan, Bali Suryani S.A.M.Putri; , I G.A.D.Seri Rejeki
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 7 No. 1 (2023)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v7i1.221

Abstract

Koi fish (Cyprinus carpio) is one of the ornamental fish that has a beautiful body shape and color so it has high economic value. Indicators of beauty in ornamental fish can be seen in the brilliant color, physical shape and completeness, behavior, and health conditions or stamina. These koi fish are often used as aquarium decorations and are art consumption for enthusiasts. The beauty of the color of Koi fish is in demand by the community so that farmers need to maintain the color of ornamental fish by providing feed that contains color pigments. Carotenoids are the main natural components that make up color pigments, which have a good effect on red and orange colors. Sources of carotenoids can come from spirulina which contains phycocyanin, chlorophyll-a, and carotene. Carotene is composed of xantophyll (37%), carotene (28%), and zeaxanthin (17%). Providing a source of color pigment in fish feed is one of the efforts made to get a bright color that is evenly distributed in fish. Feeding containing 8% spirulina was effective in increasing color pigmentation in the red swordtail (Xiphophorus helleri). The addition of 1.2% spirulina flour to artificial feed gave a very significant effect on increasing color intensity and was the highest result in increasing color intensity of Koi fish.