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All Journal Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Ilmu Perairan (Aquatic Science) Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan ECSOFiM (Economic and Social of Fisheries and Marine Journal) Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement ECOTONE Jurnal Zona Dinamika Lingkungan Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan

Deni Efizon

Fakultas Perikanan Dan Kelautan, Universitas Riau

Author-ID : 258073

Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Social Sciences

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Stomach Content Analysis of HampalamacrolepidotaKuhl& Van Hasselt, 1823 from the Kampar KiriRiver, Mentulik Village, KamparKiri HilirDistrict, Kampar Regency, Riau Province G Manurung, Popy; Efizon, Deni; Efawani, Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractHampalamacrolepidota is a carnivorousÂ fish that inhabit the Kampar Kiri River, Mentulik Village. In the Kampar Kiri River there is waste from illegal gold mining, domestic waste, and floating cage aquaculture activities that pollute the water. The pollution may negatively affects small aquatic organisms that represent as prey for H. macrolepidota.To understand the type of food consumed by H. macrolepidota, a study has been conducted fromÂ February to April 2018. Sampling was conducted 4 times, once/ 2 weeks for a two months period. There were 52 fishes captured, 19 fishes had full stomach and the others had empty stomach. Fish stomach was dissected, and each type of stomach contents was identified and weighed.Results shown that the content of the fish stomach consists of fish, leaves, and insect remains. The main food of H. macrolepidota is fish (Preponderance Index 90%).Keyword:Cyprinidae, Feeding Habit, Index of Preponderance, Carnivore fish.

Reproductive Biology of Hampala macrolepidota Kuhl &Van Hasselt, 1823 from the Kampar Kiri RiverMentulik VillageKampar Kiri Hilir District Kampar Regency Riau Province Kartini, Tirta Amelia; Efizon, Deni; Efawani, Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Â ABSTRACTÂ Hampala macrolepidota is present in the Kampar Kiri River. A study aims to understand the reproductive biology ofH. macrolepidotahas been conducted from February to April 2018. Fish samplingswereconducted 4 times, one/ 2 weeks. Parameters measured were sex ratio, gonad maturity level, gonad somatic index (GSI), fecundity and egg diameter. Results shown that there were 42 males and10 females (sex ratio 4:1). Male has slimmer body, darker body color than those of the female. Size at maturity level in male ranged from 102-300 mm (SL) and 30-700 g BW,while that of the females was 173-330 mm (SL) and 150-990 g BW. The GSI of male ranged from0.04-2.75%, while that of the females was0.94-12.43%. The fecundity was 136.534 eggs/fish, and the egg diameter was 0.5-0.9 mm.Keywords: Sex ratio, gonad maturity level, gonad somatic index, fecundity

Morphometric, Meristic, and growth patterns of Channa micropeltes Cuvier, 1831 from the Lubuk Siam Oxbow Lake, Kampar Regency, Riau Province Handayani, Fitri; Efizon, Deni; Eddiwan, Eddiwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Channa micropeltes or toman fishis a freshwater fish that live in the Lubuk Siam Lake and it has high economical value. Information on the biological aspects of these fish wasrare.A research aims to understand morphometric and meristic of the fish has been conducted from January-March 2018. There were 62 fishes Â (145-580 mm TL and 107-2.200 g BW) captured. Twenty six morphometrical characteristics measure and 11 meristical characteristics counted. Male and female fish can be distinguished by the head and body shape. The head of the male is slightly pointed, the body is blackish and slimbody shape. Female has blunt head, bluish black and abdomen rounded. The meristical characteristics of the fish were as follow: D. 41-48, P. 12-17, V.6, A. 25-27, C.13-15. The number of scale in thecheek was 32-40,pre-dorsal fin was 30-33, in the lateral line was 100-120,around the body was 44-60, above and below the lateral line was 48-95. The length-weight relationship shown that the growth pattern of the fish in the Lubuk Siam Lake is positive allometric, b=3.105.Keywords: Channamicropeltes, Lubuk Siam Lake, Relative Growth

Stomach Content Analysis of Mytus nemurus C.V from the Banjiran Swamp, Air Hitam River, Payung Sekaki District, Riau Province Siregar, Rida Amaliah; Putra, Ridwan Manda; Efizon, Deni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractMystus nemurus C.V is one of freshwater fish that inhabit the Banjiran swamps. To understand the type of food consumed by M. nemurus, a study has been conducted on February - March 2018. There were 100 fishes captured, that was consisted of 71 fishes with filled stomach and 29 fishes with empty stomach. Stomach content of the fish was analyzed as a basis to calculate the Preponderance Index (PI). Results shown that the main food of M. nemurus was fish (38%), the complementary food was unidentified debris (31%), and additional food was plant (24%), insects (4%), crustacean (1%), and domestic waste (2%). Keywords: Catfish, fish food, Index of Preponderance, Flooded Area

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AbstractHampalamacrolepidota is a carnivorous fish that inhabit the Kampar Kiri River, Mentulik Village. In the Kampar Kiri River there is waste from illegal gold mining, domestic waste, and floating cage aquaculture activities that pollute the water. The pollution may negatively affects small aquatic organisms that represent as prey for H. macrolepidota.To understand the type of food consumed by H. macrolepidota, a study has been conducted from February to April 2018. Sampling was conducted 4 times, once/ 2 weeks for a two months period. There were 52 fishes captured, 19 fishes had full stomach and the others had empty stomach. Fish stomach was dissected, and each type of stomach contents was identified and weighed.Results shown that the content of the fish stomach consists of fish, leaves, and insect remains. The main food of H. macrolepidota is fish (Preponderance Index 90%).Keyword:Cyprinidae, Feeding Habit, Index of Preponderance, Carnivore fish.

Otolith growth ring pattern of Monopterus albus Zuiew from swamp area of the Sawah Village, Kampar District, Riau br. Damanik, Suci Anggeraini; Efizon, Deni; Efawani, Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract In the swamp area of the Sawah Village, the water quality is affected by pollutant originated from activities conducted around and in the swamp area.The low quality water may negatively affects the growth of Monopterusalbus and it is reflected in the growth pattern in the otolith of fish living in that swamp. A research aims to understand the pattern of otolith growth rings of theMonopterusalbuswas conducted in March to May 2018.The fish was captured using fishing gears, once/week. There were 61 fishes (31 females, 15 transitionand 15 males). The otoliths (sagita) is taken by tweezers and shaved using fine grindstone. Growth ring pattern in the otolith was studied using a binocular microscope. The length of otolith was 2.25-4.75 mm and weight 0.0040-0.0200 gram. Results shown that the number of dark ring in the otolith of the fish ranged from 1 to 4. The distance between the nucleus and the first dark ring was varied (0.25-1.75 mm). These data indicates that the formation of dark ring may not be affected by periodical condition but it is affected by individual problem. The number of dark ring in otolith indicate that the fish is able to live properly in the swamp areas. Keywords: dark ring, sagita, freshwater eel, eel growth

Comparative study on histological structure of gill of Silver Sharkminnow fish (Osteochilus hasselti C.V)from the Tarai and Sibam Rivers Riau Province Hutajulu, Magdalena Dwiyani; Efizon, Deni; Putra, Ridwan Manda
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT Osteochillus hasselti is present in the Tarai River that has relatively good water quality, as well as in the Sibam River that has polluted water. The water condition of the rivers my affects the fish health status in general. A study aimed to understand the histological structure of gill of the fish from those rivershas been conducted from February to April 2018. Fish organs were histologically processed and stained (HE). Results shown that in general, the histological structure of the gill of fish from both areas shown abnormality. Cell abnormality such as hyperplasia, oedema, hypertrophy, curling of the secondary lamella, and telangiectasis are present in all fish. The Histopathological Alteration Index (HAI) values, however shown that the Tarai fish gill was better than that of the Sibam fish, they were 1.44 and 23.77 respectively.Keywords:gill condition, fish organ, Histopathological Alteration Index , gill abnormality

Morphometric, Meristic, and Growth Patterns of Hampala macrolepidota from the Kampar Kiri River, Mentulik Village, Kampar Regency, Riau Province Siregar, Fuja Arsita; Efizon, Deni; Efawani, Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract Hampala macrolepidotafishis a freshwater fish that inhabit the Kampar Kiri River.To understand themorphometrical, meristical characteristics and growth pattern of this fish, a research had been conducted from February-April 2018. There were 52 fishes (102-330 mm SL and 30.92-990 g BW) were captured from the river. There were 26 morphological characteristics measured and 11 meristical characteristics counted. Meristical characteristics of the fins were as follows: D. I, 11; P, 16; V, 9; A,7; C, 20, while the number of scale in the frontal area of the dorsal fin was 10-12, around the body was 22, around the base of the tail was 7-8 and in the lateral line was 27-28. There were 4 morphometrical characteristic differences between male and female, namely the distance between mouth and the base of pectoral fin, eye diameter, dorsal fin height and the base of caudal fin height. The length-weight relationship of the fish was allometric positive, 3.41 in female and 3.53 in male. Keywords:Freshwater fish, morphometrical characteristic, meristical characteristic, allometric positive

Otolith Growth Ring Pattern of Hampala macrolepidota Kuhl and Van Hasselt, (1823) from the Kampar Kiri River, Mentulik Village , Kampar Kiri Hilir District, Riau Province Situmorang, Tety E; Efizon, Deni; Efawani, Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRAK Kampar Kiri River is one of the rivers that are polluted due to human activities along the river. Decrement of water quality may affect the growth of fish and it is reflected on the pattern of otolith growth rings. A research aims to understand the pattern of otolith growth rings in the H. macrolepidota was conducted in January to March 2018. Sampling was done four times for two months. The fish was captured using a gill net. There were 52 fishes (10 females and 42 males) captured. The otolith (sagita) were removed and shaved. Results shown that the otolith length was 0.75 to 6 mm and their weight was 0.0008 to 0.02 g. There were dark and light rings in the otolith. Twenty six fishes had dark rings (1-3 rings/fish). Distance between the nucleus and the first dark ring was 0.02 to 0.5 mm. These data indicates that the formation of the dark ring may not be affected by periodical condition such as season or periodic physiological condition such as reproductive activities. The formation of dark ring in the otolith seem to be individual and not concurrent in fish population. Water quality in the sampling area was good (temperature 26 to 27⁰C; pH 5; DO 2.2 to 3.9 mg/L; and CO2 9.9 to 15.9 mg/L) and it may be sufficient to support the life of the fish. Keywords: Polluted water, dark ring, relative growth, sagita

KELIMPAHAN POPULASI DAN TINGKAT EKSPLOITASI IKAN TERUBUK (Tenualosa macrura) DI PERAIRAN BENGKALIS, RIAU Efizon, Deni; Djunaedi, Otong Suhara; Dhahiyat, Yayat; Koswara, Bachrulhajat
Berkala Perikanan Terubuk Vol 40, No 1 (2012): Februari 2012
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Fish terubuk (Tenualosa macrura) isone of thefive species terubukspecies in the world. This fish is a fish Bengkalis community pride,but thepopulation has fallensignificantly comparedto previousyears. Thisstudy aimed to examine the various aspects in view of abundance and exploitationrates of fish terubuk at this time.From the research results obtained in the waters of fish terubukBengkalis contained in two age groups of "pale" and "terubuk" with the rangeof 15-20 cm length and pias for the range of 21-43 cm length for terubuk.Looking at the various parameter of the population, on fish stocksterubuk currentlyexperiencing overfishing. Thisisevidentfrom thevaluesof population parameters suchas growthrate (K)of 0.62 andamaximum standard length (L ∞) = 46.62 cm; arrest mortality rate(F) of 1.853 isgreater than the rate of natural mortality (M ) of 1.22.Alleged amount of fishstocks terubuk today in the form of biomassper recruit an average of (B / R)of 0.80 kg per recruit in the catch perrecruit (Y / R) of 0.45. With the levelof exploitation that has exceededthe maximum sustainable (MSY), which isreflected in the value of Exploitation Rate (E) in excess of 0.5 is 0.603.

Co-Authors ', Efawani ', Windarti ', Zainudin Abdullah Hamid Achmad Sovy Yusaputra Ade Hermawita Adeka Febriyanti Adriman Adriman Adriman Adriman Adytia Eko Maulana afni afriani Aina, Nurul Alit Hindri Yani Amelia, Helen Anggi Erywiyani Hasibuan Antoni ' Arisa Trinovira Barus Asmika Harnalin Atira Diniya Bachrulhajat Koswara Bestari, Indah Betsyeba Yunita Siregar Betzy Victor Telaumbanua Bintal Amin br. Damanik, Suci Anggeraini Chaidir P Pulungan Chaidir P. Pulungan Cyntia Uli Artha Sihombing Dechy Puspita Sari Dedi Purnomo Dessy Yoswaty Deviasari Deviasari Dina Medina Dina Situmorang Dwi Sumba Vicaya Eddiwan Kamaruddin Edsa Nur Rizqi Efawani ' Efawani Efawani Efawani Efawani Efawani Efawani Efawani, Efawani Efawani, Efawani Eka Sahriani Eko Purwanto Elly Anggriani Purba Elvi S Sinaga Eni Sumiarsih Faddillah Kurnia Fajar Malini Farhan Ramdhani Fauzan Ramadan Febi Nuari Safana Febriyola, Jenika Fitri Handayani Fitri Handayani Fitri Natasha Flora Monica Pinem G Manurung, Popy Gatot Yulianto Gita Valentina Ginting Gusriyeni Dwi Mandelasari Hendra Saputra Herimufty Herimufty Hermawanto Hermawanto Hutajulu, Magdalena Dwiyani Ica Hayati Jihan Nabila Sajidah Kartini, Tirta Amelia Kika Ananda Laylatul Usna Lisvina ' Lola C.C. Hatauruk Mariani Silvia Br Sihombing Maya Lestari Mediatrix Deviani Sinaga Megawati Hari Dwi Jayanti Melinda, Devi Merissa Handayani Mey Tisasari Mhd Rizqo Pratama Mirnawati Dewi Mohd Riza Fahlifi Muchlizar Muchlizar Muhammad Fauzi Muhammad Fauzi Muslimatun ' Nababan, Bertrand R Nataliska Nataliska Nia Novita Nofika Srijayanti Nofrizal Nofrizal Nofrizal Nofrizal Novita Sari Simandalahi Nurhasana Nurhasana Nursamsi, Nursamsi Nursamsi, Nursamsi Otong Suhara Djunaedi Purba, Windu Sani Oksispi Qorry Tillawati Fani Rahma Dhania Salamah Rahmat Syafri Rekana Choli Br S Colia Reni Agustin Resti Restari Ricky R. Sihite Ridwan Manda Putra Rini Anggraini, Rini Rival Junaidi Rival Junaidi Rivco Hastwoyundra Rizki Adiwanarta Rizki, Aisya Ayu Rofian Isman Romie Jhonnerie Rusliadi Rusliadi Sally Rizky Sam Syahra Jihad Sander Jaya Aritonang Saragih, Deliana Sari, Dini Septiyawati Septiyawati Siahaan, Lamminar Juliaty Siregar, Fuja Arsita Siregar, Rida Amaliah Siska Alemina Ginting Siska D Ompusunggu Siti Muryati, Siti Situmorang, Tety E Sofyan Husein Siregar Sri Wahyuni Suci Anggeraini br. Damanik Tanjung, Nevy Arizky Tengku Dahril, Tengku Thamrin Thamrin Trisla Warningsih Usman Muhammad Tang Widya Oktavia Nainggolan Wilda Mardiyah Windarti ' Windarti Windarti Windarti Windarti Yayat Dhahiyat Yosep Juven Yobi F Sitanggang Yuliati Yuliati Yuni Sarah Yusni Ikhwan Siregar Yusnita ' Yuwanda Ilham Zulkanedi Zulkanedi

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