WIGUNA, TRI ADI (2025) PERTUMBUHAN DAN PERKEMBANGAN LARVA IKAN Betta edithae YANG DIPELIHARA PADA SUHU YANG BERBEDA. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
Wild betta fish are increasingly difficult to find in their natural habitats. Several wild betta species are classified as Critically Endangered (CR) in conservation status. Betta edithae is one of the wild betta species that is at risk of extinction. However, the rearing of B. edithae larvae in controlled environments has not been widely practiced, so information regarding the optimal temperature is still limited. This study aims to determine the optimal temperature for the growth and development of B. edithae larvae. This experimental study was conducted from April to May 2023. Four treatments of the different temperature (27, 28, 29, and 30°C) and three replications were used in this study. The results showed that 28°C was the optimal temperature for the growth and development of B. edithae larvae, as indicated by a low abnormality rate of 0%, mouth opening size of 1.171 mm, survival rate of 83%, absolute weight of 0.03 g, and absolute length of 8.5 mm, which were higher compared to 27°C, 29°C, and 30°C. Although 28°C showed the highest percentages, it did not have a significant effect on pigmentation and chromatophore cells.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Ikan cupang liar semakin sulit ditemukan di habitat aslinya. Bahkan beberapa spesies cupang liar memiliki status konservasi Critically Endangered (CR). B. edithae termasuk salah satu spesies cupang liar dalam kelompok wild betta yang bisa terancam punah. Namun, pemeliharaan larva ikan B. edithae dalam wadah terkontrol belum banyak dilakukan sehingga informasi mengenai suhu optimal pemeliharaan masih terbatas. Penelitian ini Bertujuan untuk menentukan suhu optimal pada pertumbuhan dan perkembangan larva ikan B. edithae. Pertumbuhan dan perkembangan yang dikaji adalah morfologi, bobot, Panjang, sintasan, bukaan mulut dan pigmentasi. Penelitian ini bersifat eksperimental yang telah dilakukan pada bulan April - Mei 2023. Mengunakan 4 perlakuan dan 3 kali ulang, dengan perlakuan yang digunakan sebagai berikut: Perlakuan suhu (27, 28, 29 dan 30 0C) dan tiga kali ulangan. Hasil penelitian menunjukan bahwa suhu 28 °C merupakan suhu yang optimal dalam pertumbuhan dan perkembangan larva ikan B. edithae yang ditandai dengan nilai tingkat abnormalitas rendah 0%, bukaan mulut 1,171 mm, sintasan 83%, bobot mutlak 0,03 g dan panjang mutlak 8,5 mm yang lebih tinggi dibandingkan suhu 27 °C, 29 °C dan 30 °C. Walaupun suhu 28 ºC menunjukkan persentase tertinggi tetapi tidak memberikan pengaruh yang nyata terhadap pigmentasi, dan sel kromatofor. | |||||||||
| Uncontrolled Keywords: | temperature, B. edithae larvae, growth, development | |||||||||
| Subjects: | S Agriculture > SH Aquaculture. Fisheries. Angling | |||||||||
| Divisions: | 04-Fakultas Pertanian 04-Fakultas Pertanian > 54244-Program Studi Ilmu Perikanan |
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| Depositing User: | Mr TRI ADI WIGUNA | |||||||||
| Date Deposited: | 10 Oct 2025 03:02 | |||||||||
| Last Modified: | 10 Oct 2025 03:02 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/55215 |
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