Ridwan Affandi
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View article: Occurement assessment of helminth parasites in Euthynnus affinis from Banten, Indonesia
Occurement assessment of helminth parasites in Euthynnus affinis from Banten, Indonesia Open
Indaryanto FR, Kamal MK, Butet NA, Affandi R, Tiuria R. 2024. Occurement assessment of helminth parasites in Euthynnus affinis from Banten, Indonesia. Biodiversitas 25: 4978-4985. As an economically valuable fish, Euthynnus affinis require…
View article: Analysis of the availability of clear <i>puerulus</i> lobster seeds from wild catch in Labangka Beach, Sumbawa, West Nusa Tenggara (NTB)
Analysis of the availability of clear <i>puerulus</i> lobster seeds from wild catch in Labangka Beach, Sumbawa, West Nusa Tenggara (NTB) Open
Clear lobster seeds ( puerulus ) are one of Indonesia’s fisheries commodities, with an estimated production reaching 103,490,283 per year, and 17% of its potential is found in Sumbawa Island. Labangka District is one of the most promising …
View article: Macrozoobenthos community structure in the Sukabumi estuary, West Java
Macrozoobenthos community structure in the Sukabumi estuary, West Java Open
The estuary in the south of Sukabumi is an ecosystem rich in eel fishery resources. Currently, there are several human activities at this location which are expected to affect water quality. Therefore, a macrozoobenthic community structure…
View article: Acute toxicity of mercury to freshwater cultured milkfish Chanos chanos: Clinical symptoms and lethal concentration assessment
Acute toxicity of mercury to freshwater cultured milkfish Chanos chanos: Clinical symptoms and lethal concentration assessment Open
The increasing use of mercury in the industrial sector poses significant risks to freshwater ecosystems and aquatic organisms. Milkfish (Chanos chanos), a widely consumed species, is now being reared in freshwater environments, raising con…
View article: Genetic Diversity of White-spotted Rabbitfish (<i>Siganus canaliculatus</i>) on Different Seagrass Habitats in Inner Ambon Bay, Indonesia Based on Mitochondrial CO1 Sequences
Genetic Diversity of White-spotted Rabbitfish (<i>Siganus canaliculatus</i>) on Different Seagrass Habitats in Inner Ambon Bay, Indonesia Based on Mitochondrial CO1 Sequences Open
This study aims to analyse the genetic diversity of Siganus canaliculatus in the Inner Ambon Bay (IAB) waters. DNA of S. canaliculatus specimens collected from IAB was extracted from tissues using a Tissue Genomic DNA Mini Kit, and partial…
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 Baronang Fish (Siganus guttatus, Bloch 1787) in the Seribu Archipelago, Jakarta
Reproductive Biology of Baronang Fish (Siganus guttatus, Bloch 1787) in the Seribu Archipelago, Jakarta Open
One important aspect of managing rabbitfish is conducting studies on their reproductive biology. The aim of this research is to examine aspects of the reproductive biology of rabbitfish, which include sex ratio, size at first maturity of g…
View article: Biometric and biochemical characteristics of glass eels (Anguilla spp.) collected from Cimandiri Estuary, Sukabumi Regency
Biometric and biochemical characteristics of glass eels (Anguilla spp.) collected from Cimandiri Estuary, Sukabumi Regency Open
Glass eel viability determines the success of cultivation and governs the recruitment variability, as seeds in aquaculture and its wild population, respectively. This study aims to examine the quality of glass eel using biometric measureme…
View article: Impact of predigestion feed on the growth of tilapia (Oreochromis niloticus)
Impact of predigestion feed on the growth of tilapia (Oreochromis niloticus) Open
The addition of simplified feed or predigestion feed is one of the alternative solutions in helping the process of utilizing feed by tilapia seeds with incomplete digestive tract conditions or limited secretion of digestive enzymes. The pu…
View article: Production and business performance of Anguilla bicolor fingerlings in a recirculation system with different stocking densities
Production and business performance of Anguilla bicolor fingerlings in a recirculation system with different stocking densities Open
Eel (Anguilla bicolor) in the grow-out culture requires good fingerling seeds. Increasing the eel productivity can be done by increasing the stocking density, that should be balanced with good environmental and feed management. This study …
View article: FOOD PREFERENCES OF EARLY JUVENILE SCALLOPED SPINY LOBSTER IN EKAS BAY, LOMBOK, INDONESIA
FOOD PREFERENCES OF EARLY JUVENILE SCALLOPED SPINY LOBSTER IN EKAS BAY, LOMBOK, INDONESIA Open
Ekas Bay is the largest bay on the island of Lombok which is the location for catching and cultivating spiny lobsters. This research was conducted from May to July 2021 on the Scalloped spiny lobster (Panulirus homarus). This study aims to…
View article: Heavy metal content (Pb, Hg) in threadfin bream (Nemipterus sp.) from Banten Bay, Indonesia
Heavy metal content (Pb, Hg) in threadfin bream (Nemipterus sp.) from Banten Bay, Indonesia Open
Banten Bay represents waters bordering the areas of marine tourism, industries, settlements, and agriculture. The wastes resulting from those activities can harm the aquatic environment. This study aims to analyze the bioaccumulation of he…
View article: Kinerja Produksi Ikan Sidat (Anguilla Bicolor Bicolor) dengan Volume Air Pemeliharaan yang Berbeda pada Sistem Resirkulasi
Kinerja Produksi Ikan Sidat (Anguilla Bicolor Bicolor) dengan Volume Air Pemeliharaan yang Berbeda pada Sistem Resirkulasi Open
Eel (Anguilla bicolor bicolor) rearing activities that develop in Indonesia generally still use a large volume of water. The application of a recirculation system reduces water requirements and at a small volume of water, the load on the c…
View article: Analysis of heavy metals content Hg, Cd, Pb, and Cu of green mussel Perna viridis (Linnaeus, 1758) in Bojonegara Coastal Waters of Banten Bay, Indonesia
Analysis of heavy metals content Hg, Cd, Pb, and Cu of green mussel Perna viridis (Linnaeus, 1758) in Bojonegara Coastal Waters of Banten Bay, Indonesia Open
Banten Bay coastal waters continuously receive waste input from anthropogenic activities including heavy metal concentrations, which it has increased and caused accumulation in aquatic biota such as green mussels ( Perna viridis ) that liv…
View article: Study on stomach contents of sailfin silversides, Telmatherina sarasinorum Kottelat 1991, in Matano Lake, South Sulawesi, Indonesia
Study on stomach contents of sailfin silversides, Telmatherina sarasinorum Kottelat 1991, in Matano Lake, South Sulawesi, Indonesia Open
The silverside sailfin, Telmatherina sarasinorum Kottelat 1991, is an endemic fish that lives in Matano Lake, South Sulawesi. The purpose of this study is to analyze the stomach contents of T. sarasinorum. The study was conducted from Marc…
View article: The Abundance and Potential Activity of Nitrifying, Denitrifying, and Nitrate-ammonifying Bacteria in the Vanamae Shrimp Culture in Karawang
The Abundance and Potential Activity of Nitrifying, Denitrifying, and Nitrate-ammonifying Bacteria in the Vanamae Shrimp Culture in Karawang Open
The existence of inorganic nitrogen in the shrimp pond ecosystem will not be separated from the nitrogen cycle and microbiological processes including the activity of microbes. This study aimed to analyze the abundance and potential rate o…
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: Anatomical and Histological Characteristics of Gonad of Tropical Eel <i>Anguilla bicolor</i> McClelland, 1844 in Different Length Body Size
Anatomical and Histological Characteristics of Gonad of Tropical Eel <i>Anguilla bicolor</i> McClelland, 1844 in Different Length Body Size Open
The sex status of Anguilla bicolor McClelland is difficult to be distinguished between males and females. Thus, we evaluated 309 fishes from The Serayu River, with length and weight range around 9 - 81 cm and 0.59 - 1260 g respectively to …
View article: Water and land efficiency in eel (Anguilla bicolor bicolor) rearing in development of urban aquaculture through vertical aquaculture system
Water and land efficiency in eel (Anguilla bicolor bicolor) rearing in development of urban aquaculture through vertical aquaculture system Open
Urbanization activities have increased population density in urban areas so that the need for fish is increasing, to provide fish needs it is necessary to expand the cultivation area. This study aims to evaluate the minimum demand for wate…
View article: The Reproduction of Endemic Fish Opudi (Telmatherina prognatha Kottelat, 1991) in Lake Matano, South Sulawesi, Indonesia
The Reproduction of Endemic Fish Opudi (Telmatherina prognatha Kottelat, 1991) in Lake Matano, South Sulawesi, Indonesia Open
Telmatherina prognatha is an endemic fish of the Matano Lake, in Indonesia, which demands a very crucial reproductive study, especially based on habitat conservation. This research, therefore, aims at analyzing its reproduction function as…
View article: Growth and reproductive biology of white-spotted rabbitfish (Siganus canaliculatus) on different seagrass habitats in Inner Ambon Bay, Indonesia
Growth and reproductive biology of white-spotted rabbitfish (Siganus canaliculatus) on different seagrass habitats in Inner Ambon Bay, Indonesia Open
Latuconsina H, Kamal MM, Affandi R, Butet NA. 2021. Growth and reproductive biology of White-spotted rabbitfish (Siganus canaliculatus) on different seagrass habitats in Inner Ambon Bay, Indonesia. Biodiversitas 23: 273-285. Seagrass meado…
View article: Gill and Skin Oxygen Uptake, Biochemical, Hematological, and Histological Responses of Eel (Anguilla bicolor bicolor) Exposed to Air
Gill and Skin Oxygen Uptake, Biochemical, Hematological, and Histological Responses of Eel (Anguilla bicolor bicolor) Exposed to Air Open
Research on the Anguilla bicolor bicolor McClelland, 1844 eels has been widely proposed, but study related to air oxygen uptake through gills and skin for A. bicolor bicolor has not been found. This information is very important in the dev…
View article: Heavy metals (Pb, Hg) in blood cockle (Anadara granosa) in Cengkok Waters, Banten Bay, Indonesia
Heavy metals (Pb, Hg) in blood cockle (Anadara granosa) in Cengkok Waters, Banten Bay, Indonesia Open
Blood cockle ( Anadara granosa ) is one of the biotas which has high economic and ecological value in Cengkok Waters, Banten Bay. Human activities such as settlements, agriculture, fisheries, mining, and industries are seen as main reasons…
View article: Analisis CPUE (Catch Per Unit Effort) dan Potensi Lestari Sumberdaya Perikanan Tembang (Sardinella fimbriata) di Perairan Selat Sunda
Analisis CPUE (Catch Per Unit Effort) dan Potensi Lestari Sumberdaya Perikanan Tembang (Sardinella fimbriata) di Perairan Selat Sunda Open
Sunda Strait has high values of fish resources, one of the resource are fringescale sardinella (Sardinella fimbriata). Catches composition for fringescale sardinella was 26% and the largest among the composition of other small pelagic fish…
View article: Length ratio, histological structure, feed composition, and enzyme activity in the gut of yellow rasbora (<i>Rasbora lateristriata</i> Blkr.)
Length ratio, histological structure, feed composition, and enzyme activity in the gut of yellow rasbora (<i>Rasbora lateristriata</i> Blkr.) Open
A study of the ratio of gut length, histological structure, feed composition, and enzyme activity in the foregut had carried out to determine the feed category of yellow rasbora. The study used a survey method with sampling in the Banjaran…
View article: EVALUATION OF THE USE OF MALANG SAND AS A FILTER MATERIAL ON WATER QUALITY, PHYSIOLOGICAL RESPONSES AND PRODUCTION PERFORMANCE OF MUD CRAB Scylla serrata
EVALUATION OF THE USE OF MALANG SAND AS A FILTER MATERIAL ON WATER QUALITY, PHYSIOLOGICAL RESPONSES AND PRODUCTION PERFORMANCE OF MUD CRAB Scylla serrata Open
Mud crab Scylla serrata is one of crustacean commodities with high economic value. One of the unsolved obstacles in mud crabs cultivation is crabs’ stress level caused by the declining water quality. The recirculating system is a method fo…
View article: On Status Assessment and Management Strategy Formulation for Sustainable Aquaculture of the Hoven’s Carp (Leptobarbus hoevenii, Bleeker, 1851) in Jambi Municipality
On Status Assessment and Management Strategy Formulation for Sustainable Aquaculture of the Hoven’s Carp (Leptobarbus hoevenii, Bleeker, 1851) in Jambi Municipality Open
Hoven’s carp is an indigenous species of freshwater fish which is hihgly potential to be cultured in larger scale. It is omnivorous tend to be herbivorous fish so that it can save cost of feed. Sustainable management is needed in order to …
View article: Effect of vitamin E on the quality of egg bonylip barb fish Osteochilus vittatus (Valenciennes, 1842)
Effect of vitamin E on the quality of egg bonylip barb fish Osteochilus vittatus (Valenciennes, 1842) Open
Bonylip barb Osteochilus vittatus is a local fish species of significant economic value with vast potential in commercial freshwater fish culture. Traditional cultivation methods are currently employed depending on the seeds, although a lo…
View article: Short Communication: Molecular characteristics and phylogenetic relationships of silurid catfishes (Kryptopterus, Ompok and Phalacronotus) from the Kampar River, Indonesia, based on the cytochrome b gene
Short Communication: Molecular characteristics and phylogenetic relationships of silurid catfishes (Kryptopterus, Ompok and Phalacronotus) from the Kampar River, Indonesia, based on the cytochrome b gene Open
Elvyra R, Solihin DD, Affandi R, Junior MZ, Suhendra M. 2020. Short Communication: Molecular characteristics and phylogenetic relationships of silurid catfishes (Kryptopterus, Ompok, and Phalacronotus) from the Kampar River, Indonesia, bas…