REPRODUCTIVE BIOLOGY OF EASTERN LITTLE TUNA (Euthynnus affinis) LANDED IN THE FISH BASE LANDING OF TANJUNG LUAR, LOMBOK TIMUR
Abstract
The eastern little tuna is one of a pelagic fish that has an economic important value and mostly landed at Fish Base Landing (PPI) Tanjung Luar. The needs of eastern little tuna are very affordable and sold economically in the markets, which causes a highly catching intensity by the fishermen regardless the catching season, so that many eastern little tuna which caught when they were in gonads matured and spawn session. The purpose of this study was to describe reproduction aspects comprises of gonads maturity stages, gonadosomatic index and fecundity. This research was taken on May till June 2018 from Fish Base Landing in Tanjung Luar. The total samples observed were 120 female fishes which collected from the fish base landing. The sample determination technique in this study was quota sampling. Gonad maturity stages were observed by morphological observation then the gonadosomatic index were measured. Fecundity ware treated on 36 samples at V and VI stages (gonads matured) to be measured by using gravimetric method. The result of this study revealed that gonads maturity of the female eastern little tuna was dominated by the fourth stage (51,67%), and then followed by the fifth stage (36,67%), the third stage (23,33%), the sixth stage (8,33%) the second stage (8,33%) and the first stage (6,62%). From those gonad maturity percentages showed that the eastern little tuna was not in the gonads matured session. The value of gonadosomatic index for the female eastern little tuna were about 0,0116% up to 0,0258%. Meanwhile the fecundity range between 192.246 ova until 601.497 ova on fish with the length between 415 mm until 640 mm.
References
Fayetri, W. R., Efrizal, T., dan Zulfikar, A. (2013). Kajian Analitik Stok Ikan Tongkol (Euthynnus affinis) Berbasis Data Panjang Berat yang Didaratkan di Tempat Pendaratan Ikan Pasar Sedanau Kabupaten Natuna. Jurnal Umrah, 2(1): 1-9.
Santoso, D. (2016). Potensi Lestari dan Status Pemanfaatan Ikan Kakap Merah dan Ikan Kerapu di Selat Alas Propinsi Nusa Tenggara Barat. Jurnal Biologi Tropis 16(1): 15-24.
Kuncoro, E.B., dan Wiharto Ardi. (2009). Ensiklopedia Populer Ikan Air Laut. Yogyakarta: Lily Publisher.
Rahmat, E. (2016). Teknologi Alat Penangkapan Ikan Pancing Ulur (Handline) Tuna di Perairan Laut Sulawesi Berbasis di Kabupaten Kepulauan Sangihe. Buletin Teknik Litkayasa Sumber Daya dan Penangkapan, 11(2): 61-65.
Muktiono, G. S., Boesono, H., dan Fitri, A. D. P. (2013). Pengaruh Perbedaan Umpan dan Mata Pancing Terhadap Hasil Tangkapan Ikan Layur (Trichiurus sp.) di Palabuhanratu, Jawa Barat. Journal of Fisheries Resources Utilization Management and Technology, 2(1): 76-84.
Hidayat T, Febrianti E, dan Restiangsih Y.H. (2016). Pola dan Musim Pemijahan Ikan Tongkol Komo (Euthynnus affinis Cantor, 1850) di Laut Jawa. Jurnal Bawal. 8(2): 101-8.
Suryawan, I. G., Mahrus., dan Karnan. (2016). Studi Karakteristik Morfometrik Ikan Julung-julung (Hemiramphus archipelagicus) di Daerah Intertidal Teluk Ekas. Jurnal Biologi Tropis, 16(2): 27-42.
Arikunto, S., 2010. Prosedur Penelitian Suatu Pendekatan Praktik. Jakarta: PT Rineka Cipta.
Amitkumar, M. (2015). Some Aspects of the Biology of Little Tuna (Euthynnus affinis) Landed at Veraval, Hujarat. International Journal of Zoology Research (IJZR), 6(5): 1-17.
Antony Raja, B. T. (1966). On the Maturity Stages of Indian Oil-sardine, Sardinella Longiceps Val., with Notes on Incidence of Atretic Follicles in Advanced Ovaries. Indian Journal of Fisheries, 13(1&2): 27-47.
Effendie, M. I. 2002. Biologi Perikanan. Yogyakarta: Yayasan Pustaka Nusantara.
Amri, K., Nora, F. A., Ernaningsih, D., dan Hidayat, T. (2018). Reproduksi Dan Musim Pemijahan Tongkol Komo (Euthynnus affinis) Berdasarkan Monsun dan Suhu Permukaan Laut di Samudera Hindia Selatan Jawa-Nusa Tenggara. BAWAL Widya Riset Perikanan Tangkap, 10(2), 155-167.
Hidayat, T., & Noegroho, T. (2018). Biologi Reproduksi Ikan Tongkol Abu-Abu (Thunnus tonggol) di Perairan Laut Cina Selatan. BAWAL Widya Riset Perikanan Tangkap, 10(1): 17-28.
Santoso, (2019). Sebaran Suhu Permukaan Laut (SPL) Secara Spasial dan Temporal di Perairan Selat Alas Provinsi Nusa Tenggara Barat. Jurnal Bologi Tropis, 19(1) :34 - 41.
Nissar, K. S., Rashid, F., Phadke, G. G., dan Desai, A. Y. (2010). Reproductive Biology of Little Tuna (Euthynnus affinis) in the Arabian Sea. Eco. Env. & Cons.,21(4) :115-118.
Jatmiko, I., Hartaty, H., dan Bahtiar, A. (2015). Biologi Reproduksi Ikan Cakalang (Katsuwonus pelamis) di Samudera Hindia Bagian Timur. BAWAL Widya Riset Perikanan Tangkap, 7(2): 87-94.
Smith, S. L. (2001). Understanding the Arabian Sea: Reflections on the 1994–1996 Arabian Sea Expedition, Deep Sea Res. II 48 (6–7), 1385–1402.
Ardelia, V., Vitner, Y., dan Boer, M. (2017). Reproduction Biology Eastern Little Tuna Euthynnus affinis in the Sunda Strait. Jurnal Ilmu dan Teknologi Kelautan Tropis, 8(2): 689-700.
Johnson, M. G., dan Tamatamah, R. A. 2013. Length Frequency Distribution, Mortality Rate and Reproductive Biology of Kawakawa (Euthynnus affinis-Cantor, 1849) in the Coastal Waters of Tanzania, Pakistan Journal of Biological Sciences 16(21): 1270-1278.
Vigneshwaran, P., Omar Ziyad, A., Ravichandran, S., & Veerappan, N. (2018). Diet Composition and Feeding Ecology of Mackerel Tuna Euthynnus affinis (Cantor, 1849) on the South-Eastern Coast of India. Zoology and Ecology, 28(4), 286-291.
Arifah P.N, Solichin A, dan Widyoroni N. (2015). Aspek Biologi Ikan Tongkol (Euthynnus affinis) yang Tertangkap Payang di TPI Tawang, Kabupaten Kendal. Diponegoro Journal of Maquares Management of Aquatic Resources, 4 (3): 58–64.
Chiou, W. D., Cheng, L. Z., dan Chen, K. W. (2004). Reproduction and Food Habits of Kawakawa Euthynnus affinis in Taiwan. Taiwan Fisheries Society Journal, 31(1): 23-38.
Mallawa, A., Amir, F., dan Zainuddin, M. (2016). Keragaman Biologi Populasi Ikan Cakalang (Katsuwonus pelamis) yang Tertangkap dengan Purse Seine pada Musim Timur di Perairan Laut Flores. Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan, 1(2): 129-145.
Unus, Fahriny, dan S.B.A. Omar. (2010). Analisis Fekunditas dan Diameter Telur Ikan Malalugis Biru Decapterus macarellus Cuvier, 1833 di Perairan Kabupaten Banggi Kepulauan, Provinsi Sulawesi Tengah. Torani J. Ilmu Kelautan dan Perikanan, 2(1):37-43.
Mallawa, A., Musbir, Amir, F dan Marimba, A.A, (2012). Analisis Struktur Ukuran Ikan Cakalang (Katsuwonus pelamis) Menurut Musim, Daerah dan Teknologi Penangkapan Ikan di Perairan Luwu Teluk Bone, Sulawesi Selatan. J. Sains dan Teknologi Balik Diwa, 2(3): 29 – 38.
Karnan, K., Baskoro, M. S., Iskandar, B. H., Lubis, E., dan Mustaruddin, M. (2013). Potensi dan Tingkat Pemanfaatan Sumberdaya Ikan Unggulan di Perairan Selat Alas Nusa Tenggara Barat. Buletin PSP, 20(4): 391-401.
Nugraha, B., dan Mardlijah, S. (2017). Beberapa Aspek Biologi Cakalang (Katsuwonus pelamis) yang Didaratkan di Bitung, Sulawesi Utara. Bawal Widya Riset Perikanan Tangkap, 2(1): 45-50.
