Charles P.H. Simanjuntak
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View article: Spawning and nursery areas of Decapterus macarellus: siting pelagic fisheries marine protected area (MPA) in the Sulawesi Sea, Indonesia
Spawning and nursery areas of Decapterus macarellus: siting pelagic fisheries marine protected area (MPA) in the Sulawesi Sea, Indonesia Open
Introduction Identifying spawning and nursery areas for exploited fish stocks is crucial for sustainable fisheries management, as these areas support fish reproduction and early development necessary for maintaining healthy fish population…
View article: Juvenile Fish Composition and Their Growth Aspects on the East Coast of Banyuwangi, East Java, Indonesia
Juvenile Fish Composition and Their Growth Aspects on the East Coast of Banyuwangi, East Java, Indonesia Open
The east coast of Banyuwangi, Bali Strait, has the potential to function as a nursery area for juvenile fish. Therefore, it is essential to research the ecology of juvenile fish resources. This study aimed to uncover the composition of juv…
View article: Eco-Biology of the Orbiculate Cardinalfish, Sphaeramia orbicularis in Seagrass Habitats of Pari Island, Indonesia
Eco-Biology of the Orbiculate Cardinalfish, Sphaeramia orbicularis in Seagrass Habitats of Pari Island, Indonesia Open
The seagrass ecosystem of Pari Island, Kepulauan Seribu National Park, provides essential habitat for various fish resources, such as Sphaeramia orbicularis. Little information has been reported on the biology and ecology of this species i…
View article: Size distribution and feeding ecology of an Endemic Celebes Rainbowfish Marosatherina ladigesi Ahl, 1936 in Batu Puteh River, South Sulawesi
Size distribution and feeding ecology of an Endemic Celebes Rainbowfish Marosatherina ladigesi Ahl, 1936 in Batu Puteh River, South Sulawesi Open
Marosatherina ladigesi is one of the endemic-ishes in South Sulawesi traded as an ornamental-ish. Anthropogenic activities such as destructive-ishing and habitat degradation caused by sand dredging have caused M. ladigesi to be listed as v…
View article: Life History Parameters and Spawning Potential Ratio of Upeneus vittatus (Forsskål, 1775) in the Coastal Waters of Lebak and Sukabumi, Indonesia
Life History Parameters and Spawning Potential Ratio of Upeneus vittatus (Forsskål, 1775) in the Coastal Waters of Lebak and Sukabumi, Indonesia Open
It is necessary to obtain information regarding the life history and stock status of the yellow-striped goatfish ( Upeneus vittatus ) in the coastal waters of Lebak and Sukabumi, Indonesia. This study aims to determine the stock status of …
View article: Genetic Diversity and Population Structure of Amphidromous Goby (Stiphodon semoni) in Western Part of Southern Java Waters
Genetic Diversity and Population Structure of Amphidromous Goby (Stiphodon semoni) in Western Part of Southern Java Waters Open
Graphical Abstract Research Highlight The genetic diversity of Stiphodon semoni is high. All populations have high haplotype diversity except for Cimaja. No genetic structure is observed within the populations of semoni. The population of …
View article: Morphometrics and Growth Patterns of Squids in the North and South Coasts of Java, Indonesia
Morphometrics and Growth Patterns of Squids in the North and South Coasts of Java, Indonesia Open
Highlight Research The mitre squid (Uroteuthis chinensis), the Indian squid (Uroteuthis duvaucelii), and the purpleback flying squid (Sthenoteuthis oualaniensis) were identified. Morphometric differences among three squid species were anal…
View article: Recovery of Fish Community Suffered from Feminization by Endocrine Disrupting Chemicals (EDCs) in Surabaya River, East Java
Recovery of Fish Community Suffered from Feminization by Endocrine Disrupting Chemicals (EDCs) in Surabaya River, East Java Open
There had been reports of a significant increase in female fish populations in the Surabaya River, induced by water pollution. This research aims to study the current sex condition and the level of Endocrine Disrupter Chemicals (EDC) in th…
View article: Reproductive biology of the mackerel scad <i>Decapterus macarellus</i> (Cuvier, 1833) from the southern waters of western Java, Indonesia
Reproductive biology of the mackerel scad <i>Decapterus macarellus</i> (Cuvier, 1833) from the southern waters of western Java, Indonesia Open
The mackerel scad, Decapterus macarellus , is a one of pelagic fish that holds significant market price for the citizens of West Java. Despite this, there has been a puzzling decrease in catches recently. This study describes the reproduct…
View article: Diet composition and feeding strategy of larvae and juveniles of green riffle goby, Stiphodon elegans in Cimaja Estuary, Indonesia
Diet composition and feeding strategy of larvae and juveniles of green riffle goby, Stiphodon elegans in Cimaja Estuary, Indonesia Open
Green riffle goby, Stiphodon elegans , is an amphidromous goby living in Cimaja River, Sukabumi. Postflexion and juvenile stages of this species migrate from the sea to the river estuary for the recruitment process both in the day and nigh…
View article: HUBUNGAN PANJANG-BOBOT, POLA PERTUMBUHAN DAN FAKTOR KONDISI IKAN PELAGIS KECIL DI PERAIRAN SUKABUMI DAN LEBAK
HUBUNGAN PANJANG-BOBOT, POLA PERTUMBUHAN DAN FAKTOR KONDISI IKAN PELAGIS KECIL DI PERAIRAN SUKABUMI DAN LEBAK Open
Perairan Lebak, Banten dan Sukabumi, Jawa Barat yang merupakan bagian dari WPPNRI 573 adalah daerah penangkapan ikan pelagis. Kajian mengenai hubungan panjang-bobot serta faktor kondisi ikan pelagis kecil di kedua daerah tersebut masih san…
View article: Persebaran spasial dan temporal ikan endemik pirik (Lagusia micracanthus) Di Das Maros Dan Das Wallanae Cenrana, Sulawesi Selatan
Persebaran spasial dan temporal ikan endemik pirik (Lagusia micracanthus) Di Das Maros Dan Das Wallanae Cenrana, Sulawesi Selatan Open
Penelitian ini bertujuan untuk memetakan persebaran ikan pirik secara spasial dan temporal serta menganalisis faktor-faktor yang memengaruhi persebarannya pada sungai-sungai di DAS Maros dan di DAS Walanae Cenranae. Pengambilan sampel dila…
View article: Reproductive aspects of the Japanese threadfin bream, <i>Nemipterus japonicus</i> (Bloch, 1791) in the Southern Java waters (FMA-RI 573)
Reproductive aspects of the Japanese threadfin bream, <i>Nemipterus japonicus</i> (Bloch, 1791) in the Southern Java waters (FMA-RI 573) Open
This study describes the reproductive biology of the Japanese threadfin bream, Nemipterus japonicus (Bloch, 1791) captured from the Southern Java Waters (FMA-RI 573). Fish monthly sampling collection was conducted from July to December 202…
View article: Reproductive biology of Indian mackerel, <i>Rastrelliger kanagurta</i> (Cuvier, 1816) in the southern waters of West Java (FMA 573)
Reproductive biology of Indian mackerel, <i>Rastrelliger kanagurta</i> (Cuvier, 1816) in the southern waters of West Java (FMA 573) Open
Indian mackerel is a small pelagic fish with important economic value in Java Island. This study aims to analyze the reproductive characteristics and determine management recommendations for the Indian mackerel in the southern waters of We…
View article: The effect of coral transplantation on the community structure of reef fish on Harapan Island, Seribu Archipelago, Jakarta
The effect of coral transplantation on the community structure of reef fish on Harapan Island, Seribu Archipelago, Jakarta Open
Coral reef degradation in Indonesia is increasingly alarming. For this reason, efforts are needed to rehabilitate coral reef ecosystems. In this study, we explained the effect of coral transplantation on the structure of coral fish communi…
View article: A checklist of native freshwater fish from Brantas River, East Java, Indonesia
A checklist of native freshwater fish from Brantas River, East Java, Indonesia Open
Hasan V, Mamat NB, South J, Ottoni FP, Widodo MS, Arisandi P, Isroni W, Jerikho R, Samitra D, Faqih AR, Simanjuntak CPH, Mukti AT. 2022. A checklist of native freshwater fish from Brantas River, East Java, Indonesia. Biodiversitas 23: 6031…
View article: Diet and feeding strategy of the common silver-biddy, Gerres oyena (Forsskål 1775) in the seagrass beds of Karang Congkak Island, Kepulauan Seribu National Park
Diet and feeding strategy of the common silver-biddy, Gerres oyena (Forsskål 1775) in the seagrass beds of Karang Congkak Island, Kepulauan Seribu National Park Open
Diet and feeding ecology studies are a principal tool to understand the functional role of fish within their habitat. Like most coastal habitats, seagrass meadow provides food and refuge for many biotas. Karang Congkak Island is a small un…
View article: Trophic ecology and length-weight relationship of Hypoatherina temminckii (Bleeker, 1854) in the seagrass ecosystem of Semak Daun Island, Kepulauan Seribu
Trophic ecology and length-weight relationship of Hypoatherina temminckii (Bleeker, 1854) in the seagrass ecosystem of Semak Daun Island, Kepulauan Seribu Open
Semak Daun Island is commonly used as a tourist destination site in the Kepulauan Seribu Marine National Park. Seagrass beds are found along the coast of this small island and have an essential role as shelter and feeding areas for various…
View article: Growth pattern and condition factor of the common silver-biddy Gerres oyena (Forsskål, 1775) juveniles from seagrass ecosystem of Karang Congkak Island, Kepulauan Seribu
Growth pattern and condition factor of the common silver-biddy Gerres oyena (Forsskål, 1775) juveniles from seagrass ecosystem of Karang Congkak Island, Kepulauan Seribu Open
A seagrass bed of Karang Congkak Island has been known as the nursery habitat for many marine fishes. The common silver-biddy (Gerres oyena) is one of the temporary resident fishes that inhabits seagrass beds of Karang Congkak Island befor…
View article: Feeding preferences and diet overlap of sciaenids fishes in Pabean Bay, Indramayu
Feeding preferences and diet overlap of sciaenids fishes in Pabean Bay, Indramayu Open
The trophic ecology of Sciaenid fishes, one group of the demersal fishes in Pabean Bay, Indramayu is described in our study. A total of 14 types of prey were identified belonging to three groups (Decapod Crustacean, Mollusca, and Bony fish…
View article: Distribution, abundance, and species composition of fish larvae and juveniles of Gobiidae in the Cimaja estuary, Palabuhanratu, Indonesia
Distribution, abundance, and species composition of fish larvae and juveniles of Gobiidae in the Cimaja estuary, Palabuhanratu, Indonesia Open
Cimaja estuary has been well known as a fishing ground for fish larvae and juveniles of amphidromous fishes. The local people call this group of fish impun and collect them frequently for consumption. However, no information about fish div…
View article: Temporal variation in abundance of bully sleepers (Pisces: Eleotridae) larvae and juveniles in Cisolok Estuary, Palabuhanratu Bay, Indonesia
Temporal variation in abundance of bully sleepers (Pisces: Eleotridae) larvae and juveniles in Cisolok Estuary, Palabuhanratu Bay, Indonesia Open
Larvae and juveniles of bully sleepers are the primary targets for the local community surrounding Cisolok River, and this traditional fishing activity is called nyalawean . The present study aims to uncover fish larval diversity and recru…
View article: Sintasan Pasca Penangkapan Hasil Tangkapan Perikanan Glass Eels Di Estuari Sungai Cikaso, Sukabumi
Sintasan Pasca Penangkapan Hasil Tangkapan Perikanan Glass Eels Di Estuari Sungai Cikaso, Sukabumi Open
Estuari Sungai Cikaso merupakan satu di antara beberapa daerah penangkapan glass eels dengan hasil tangkapan tertinggi di Kabupaten Sukabumi, Jawa Barat. Usaha perikanan tangkap glass eels pada dasarnya dilakukan untuk memenuhi pasokan ben…
View article: Heavy Metals (Hg, Cd, Pb, Cu) in Greenback Mullets (Planiliza subviridis Valenciennes, 1836) from Bojonegara coastal waters, Banten Bay, Indonesia
Heavy Metals (Hg, Cd, Pb, Cu) in Greenback Mullets (Planiliza subviridis Valenciennes, 1836) from Bojonegara coastal waters, Banten Bay, Indonesia Open
Waste from industrial activities can be a source of pollution for the waters of Banten Bay. One source of these pollutants are heavy metals. High concentrations of heavy metals in waters can pollute the aquatic environment, endangering all…
View article: Recruitment patterns of freshwater amphidromous fishes (Pisces: Gobiidae, Eleotridae) to the Cimaja estuary, Palabuhanratu Bay
Recruitment patterns of freshwater amphidromous fishes (Pisces: Gobiidae, Eleotridae) to the Cimaja estuary, Palabuhanratu Bay Open
The sustainability of amphidromous fishes is determined by the success of the larval recruitment process from marine to freshwaters habitats. This study aimed to determine the recruitment pattern of freshwater amphidromous fish to the Cima…
View article: Aktivitas Pemijahan, Perkembangan Awal, dan Pertumbuhan Larva Ikan Pelangi Arfak dalam Kondisi Laboratorium: Studi Pendahuluan untuk Penangkarannya
Aktivitas Pemijahan, Perkembangan Awal, dan Pertumbuhan Larva Ikan Pelangi Arfak dalam Kondisi Laboratorium: Studi Pendahuluan untuk Penangkarannya Open
Informasi yang lengkap mengenai reproduksi, perkembangan awal, dan pertumbuhan larva menjadi sangat penting dalam upaya penangkaran dan reintroduksi spesies ikan yang terancam punah. Salah satu di antara spesies yang mulai terancam adalah …
View article: Reproductive aspects of greenback mullet Planiliza subviridis (Valenciennes, 1836) in Cengkok coastal waters, Banten Bay Indonesia
Reproductive aspects of greenback mullet Planiliza subviridis (Valenciennes, 1836) in Cengkok coastal waters, Banten Bay Indonesia Open
Greenback mullet ( Planiliza subviridis ) is one of commercially important fish species and widely caught in Cengkok Beach, Banten Bay. This study aims to examine some reproductive aspects of greenback mullet in Cengkok coastal waters of B…
View article: Bioaccumulation of lead (Pb) and mercury (Hg) in green mussel Perna viridis (Linnaeus, 1758) in Cengkok Coastal Waters, Banten Bay, Indonesia
Bioaccumulation of lead (Pb) and mercury (Hg) in green mussel Perna viridis (Linnaeus, 1758) in Cengkok Coastal Waters, Banten Bay, Indonesia Open
Banten Bay potentially receives pollutants such as heavy metals from various anthropogenic activities operating around the bay. Cengkok Coastal Waters, as part of Banten Bay, has a variety of fishery commodities, including green mussels ( …
View article: Mangrove ecosystem related to fisheries productivity in the coastal area of Karawang Regency, West Java, Indonesia
Mangrove ecosystem related to fisheries productivity in the coastal area of Karawang Regency, West Java, Indonesia Open
The mangrove area in the coastal area of Karawang Regency has become an area that is ecologically pressured by the surrounding area, which greatly affects its sustainability. Coastal community awareness is very important to preserve the ma…
View article: The potential development of ecotourism based on mangrove ecosystem in Ujung Pangkah of Gresik Regency, East Java Province, Indonesia
The potential development of ecotourism based on mangrove ecosystem in Ujung Pangkah of Gresik Regency, East Java Province, Indonesia Open
Ujung Pangkah mangrove ecosystem in the estuary of Bengawan Solo River is one of the mangrove ecosystems in East Java Province. In addition to its ecological functions, the presence of extensive mangrove forests with highly diversified fau…