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All Journal Buletin PSP Jurnal Teknologi Perikanan dan Kelautan Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Berkala Perikanan Terubuk Jurnal Harpodon Borneo Jurnal Perikanan dan Kelautan Jurnal Kelautan Tropis JURNAL IPTEKS PEMANFAATAN SUMBERDAYA PERIKANAN JURNAL ENGGANO Jurnal Sumberdaya Akuatik Indopasifik Omni-Akuatika Albacore : Jurnal Penelitian Perikanan Laut Jurnal Penelitian Perikanan Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Mochammad Riyanto
Departemen Pemanfaatan Sumberdaya Perikanan, Fakultas Perikanan Dan Ilmu Kelautan, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Library & Information Science Other

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Journal : Omni-Akuatika

 1 
Behavior response of blue swimming crab (Portunus pelagicus) to the different entrance gates of collapsible pot Henita Aditya; Wazir Mawardi; Mochammad Riyanto
Journal Omni-Akuatika Vol 16, No 2 (2020): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2020.16.2.818

Abstract

The behavior of blue swimming crab (BSC) (Portunus pelagicus) to the collapsible pot is observed to redesign the entrance of the pot with high effectiveness. The purpose of this study is to analyze the behavior response of BSC to the entrance gate of the collapsible pot by laboratory experiments. The behavior response of the BSC (100-150 mm of carapace width (CW), n= 15) to the two angles of the entrance gate, that were 200 as control and 400 as a modification of the collapsible pot. The movement and speed of the crab to the entrance gate were observed by using CCTV Camera. The results showed that the percentage of crabs failed to find the entrance was higher than crab that be successful to enter the pot. The crab that failed to find the entrance was 43% for control and 52% for modification pot, while the crab that be successful to enter was 24% for control pot and 19% for modification pot. There were five movement patterns of crab to the pot i.e. straight to entrance, side to entrance, side to side, entrance to side, and straight to side. The average speed of entrance crab was 127.89 ± 46.48 for control, and 88.45 ± 5.74 for modification pot. Keywords: behavior, response, blue swimming crab, collapsible pot, Portunus pelagicus
Fish Aggregation Pattern on Red-Blue-Green Light Emitting Diode (RGB-LED) Light in Static Lift Net Sugandi Sugandi; Ronny Irawan Wahju; Mochammad Riyanto; sumardi sumardi
Journal Omni-Akuatika Vol 15, No 1 (2019): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (756.306 KB) | DOI: 10.20884/1.oa.2019.15.1.681

Abstract

The Red-Blue-Green Light Emitting Diode (RGB-LED) light used in the static lift net can manipulate fish behavior to attract, approach and be concentrated in the lighting area. The purpose of this study is to determine the use of the RGB-LED light intensity with pulse width modulation PWM) value for gathering fish and changing patterns of schooling fish’s movement. Seven treatments with changes in PWM values were the initial conditions, 250, 195, 145, 95 20 and 5 PWM. The methods were by using Hydro-acoustic sonar 360o and ImageJ analysis used to determine the schooling fish’s area in horizontal and vertical by dividing the center zone, main zone, influence zone, and shadow zone. Results of the visualization image of schooling fish as the target fish group visualized by horizontally and vertically. It has the longest duration of 90 ' and 250 PWM has a time duration of 10' shows the difference in the area of schooling fish in four zones. 195, 145 and 95 PWM with each time duration of 10' dominant schooling fish were in the main zone and influence zone, the lowest two light intensities of PWM values were 5 and 20, there are three zones namely center zone, main zone, and shadow zone, schooling fish were increasing with movement pattern by revolving the light source at shadow zone. The approached fish were forming schooling fish because they were attracted to light, with changes in the PWM value that can model the movement patterns of schooling fish.
Response of Anguilla bicolor Glass Eel to Different Light Colors Mochammad Riyanto; Ai Siti Aminah; Wazir Mawardi; Ronny Irawan Wahju
Journal Omni-Akuatika Vol 19, No 1 (2023): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2023.19.1.993

Abstract

The response of eel fish (Anguilla bicolor) glass eel stadia to different light is fundamental knowledge for developing fishing methods and conserving fish resources. The study aimed to describe how glass eel fish react to different types of light. In the laboratory, glass eels were observed responding to red, blue, and white LED light versus no light as controls. Glass eels ranging in size from 4.0 to 6.1 cm and weighing up to 0.28 g were caught in the Pelabuhanratu estuary of the Cimandiri River. Observations were made for 31 days, beginning five days after the glass eel was captured. The Mann Whitney and Kruskal-Wallis tests were used to describe differences of the glass eel's response to light. Observations showed that glass eels responded more to dark zones with values above 80% when compared to zones given red, blue, and white LED light. The percentage of fish in red LED lights was 23±0.22% higher, with the number of fish on blue LED lights by 10±0.21% and white LED lights 8±0.15% (p<0.05, Kruskal-Wallis). The difference in response to light can be used for glass eel catching applications, especially lamps for eel fish aids and eel conservation to create fishing zones and eels.Keywords: Anguilla bicolor, eel behavior, glass eel, LED light, response to light
Co-Authors . Suardi Adi Susanto Adi Susanto Adi Susanto Adi Susanto Adi Susanto Ai Siti Aminah Aisyah Nur Nabila Am Azbas Taurusman Ari Purbayanto Asep Hamzah Budhi Hascaryo Iskandar Budy Wiryawan Budy Wiryawan Desi Rezki Amelia Devy Ani Nurmeiana Dwi Putra Yuwandana Eko Sri Wiyno Eko Sri Wiyono Fahresa Nugraheni Supadminingsih Fis Purwangka Fuad Ganang Dwi Prasetyo Hamidi Hamidi Haruna Haruna Hendrawan Syafrie Henita Aditya Hery Sutrawan Nurdin Iin Solihin Irfannur Irfannur Isdradjat Setyobudiandi Jacobus Bunga Paillin Joko Santoso Kedswin Gerson Hehanussa Khairul - Kiagus Abdul Aziz Kusnul Hidayat Lisa Nur Hidayah Mennofatria Boer Mohammad Ependi Muhammad Johar Rudin Mulyono Baskoro Mulyono S Baskoro Mulyono S. Baskoro Mulyono S. Baskoro Mulyono Sumitro Baskoro Mulyono Sumitro Baskoro Nandi Sukri Nofrizal Hayadi Saputra Noveldesra Suhery Picaulima, Simon M. Rafdi Zhafir Akbar Rahmat Kurnia Riki Saputra Ririn Irnawati Riska Fatmawati Ronny I. Wahju Roza Yusfiandayani Ruslan Husen Saban Tawari Stany Rachel Siahainenia Sugandi Sugandi Sulaeman Martasuganda sumardi sumardi Taryono Taufiq Tirtana, Denta Wazir Mawardi Wazir Mawardi Wazir Mawardi Yonvitner -