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INDONESIA
Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan
Published by Universitas Lampung
ISSN : 2301816X     EISSN : 25797638     DOI : -
Core Subject : Education,
Other
Arjuna Subject : -
Articles 221 Documents
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THE LENGTH-WEIGHT RELATIONSHIP OF Butis sp. IN THE TAMBUN RIVER, TOLITOLI DISTRICT, CENTRAL SULAWESI Suardi Laheng; Dwi Utami Putri; Febriani Febriani
AQUASAINS Vol 12, No 2 (2024): March 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i2.p1435-1440

Abstract

Butis sp. is a type of fish that possesses physical characteristics such as small scales and a yellowish belly. Information regarding the existence and growth of this type of fish is still limited to the Tambun River, Tolitoli Regency. Analyzing the length and weight of the fish is one of the methods used to determine the biological conditions and fish stocks, there by facilitating the management of biodiversity sustainability. The aim of this study was to determine the relationship between the length and weight of Butis sp. in order to understand fish growth patterns. This research was carried out for 2 months in Sungai Tambun, Tolitoli Regency, Central Sulawesi Province. The location for collecting sample were   divided into 3 stations. The test parameters observed were the relationship between length and weight and habitat conditions. The research results of Butis sp. in Sungai Tambun, Tolitoli Regency showed a positive allometric growth pattern (b= 3,25). The water quality in the Tambun River still supports the growth of Butis sp. (temperature 25-28oC, pH 5,5-8,5).Keywords : Biodiversity, fish biology, growth, positive allometrics
THE CRUSTACEAN'S EXPORT-IMPORT MAPPING OF FISH QUARANTINE AND INSPECTION AGENCY (FQIA) JAKARTA I ON 2021-2022 PERIOD Muhaemin, Moh; Yulanda, Meisi; Ruhenda, Uhen; Efendi, Eko
AQUASAINS Vol 12, No 2 (2024): March 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i2.p1484-1498

Abstract

Indonesia's crustacean has great potential fisheries business. The depletion of fisheries natural resources needs to be solved to avoid overfishing, especially for crustaceans. The study aim was to analyze crustacean diversity and mapping its products on export and import markets, as well as to analyze the sustainability of crustacean export-import across Indonesia. The study was conducted at FQIA Jakarta I on January until February 2023. The descriptive analysis method was used. The results of the study showed that Indonesia's fisheries export were higher than import activities. On crustacean exports, the highest destination country for lobster (Panulirus sp.) is Cina, the highest destination country for crab (Portunus pelagicus) is the USA, the highest destination country for mud crab (Scylla serrata) is Cina, and the highest destination countries for mantis shrimp (Squilla mantis) are Hongkong and Cina. Meanwhile, for imported crustaceans, snow crab (Chionoecetes opilio) came from Japan, and American lobster (Homarus americanus) came from Canada and USA. The overfishing has not occurred as illustrated for fishing grounds in Indonesia. It indicated by the average of annual catch value which has not higher than MSY catch. Keywords: Crustacea, fish market, fishing ground, annual catch, sustainable.
STUDY OF WATER QUALITY AND POLLUTION LEVEL AT KETAPANG BEACH, PESAWARAN REGENCY, LAMPUNG Delis, Putu Cinthia; Yuliana, Darma; Kartini, Nidya
AQUASAINS Vol 12, No 3 (2024): July 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i3.p1563-1574

Abstract

Ketapang Beach, situated in Pesawaran Regency, Lampung, is a well-known tourist spot frequented by many visitors. The beach features a pier and a boat lane used for transporting tourists to nearby islands. Additionally, the surrounding area is home to residential communities and small-scale fish farming. Despite this activity, a comprehensive analysis of the beach’s water conditions had not been conducted previously, and there is limited information available on its water quality and pollution levels. Given the extensive human activity, it is crucial to monitor the water quality regularly, as these activities can significantly impact the ecosystem. This study collected data on several physical, chemical, and biological water parameters, such as temperature, total suspended solids (TSS), pH, salinity, dissolved oxygen, biochemical oxygen demand (BOD5), ammonia, nitrite, orthophosphate, lead (Pb), and total coliform bacteria. These parameters were measured to evaluate the water quality using the Pollution Index (IP), with reference to the seawater quality standards for marine tourism and aquatic life. The findings revealed that several parameters—such as salinity, dissolved oxygen, BOD5, ammonia, orthophosphate, and lead (Pb)—exceeded the recommended thresholds. Based on the Pollution Index assessment, the waters at Ketapang Beach were classified as moderately polluted.Keywords: Ammonia, pollution index, purposive sampling, water pollution.
STUDY ON MATERNAL TESTOSTERONE HORMONE IN FEMALE BROODSTOCKS AND EGG OF CATFISH (Clarias gariepinus) Rahmadiah, Triayu; Junior, Muhammad Zairin; Alimuddin, Alimuddin; Diatin, Iis
AQUASAINS Vol 12, No 3 (2024): July 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i3.p1520-1527

Abstract

This study aimed to track maternal testosterone hormone in catfish (Clarias gariepinus) eggs as an endogenous factor causing cannibalism. The fish used were female catfish broodstocks that had never been spawned before, with an average weight of 450.0±62.00 g and a total length of 35.4±3.53 cm. The male broodstock had an average weight of 810.0±85.00 g and a total length of 46.1±5.83 cm. The broodstock were maintained separately by sex in 3×1×1 m3 hapa nets, with a stocking density of two females and one male (2:1 ratio). The study employed a completely randomized design (CRD) with treatments consisting of females injected with propylene glycol (0 µg/L body weight) (A), females injected with the hormone 17α-MT (1 µg/L body weight) (B), and females injected with the hormone 17α-MT (2 µg/L body weight) (C), each treatment replicated three times. For the observation of hormone derivatives, egg samples were collected during the pre-spawning (day 90) and post-spawning (day 91) periods. The results indicated that the testosterone levels in the catfish eggs were higher during the pre-spawning period (A: 0.6±0.03 ng/mL; B: 0.7±0.07 ng/mL; C: 1.2±0.01 ng/mL) compared to the post-spawning period (A: 0.3±0.03 ng/mL; B: 0.1±0.00 ng/mL; C: not detected). This finding suggests that, even without the injection of the 17α-MT hormone, testosterone is present in catfish eggs, albeit in small amounts.Keywords: Aggressiveness, cannibalism, inherited hormones.
THE EFFECT OF ADDITIONAL DOSES OF CURCUMA FLOUR (Curcuma xanthorrhiza Roxb) IN FEED ON THE GROWTH OF GOURAMY (Osphronemus gouramy) FRY Wardani, Rizka Maulina; Herman, Roffi Grandiosa; Haetami, Kiki; Iskandar, Iskandar
AQUASAINS Vol 12, No 2 (2024): March 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i2.p1462-1473

Abstract

The purpose of this study was to determine the optimum content of the addition of curcuma flour with different doses to the feed on the growth of gourami fry (Osphronemus gouramy). The method used in this study was a completely randomized design (CRD) experimental method, which consisted of 5 treatments with 3 replications. The treatment used was treatment (A) without giving curcuma flour (control), (B) giving curcuma flour at 2.5%/kg feed, (C) giving curcuma flour at 5%/kg feed, (D) giving curcuma flour ginger at 7.5%/kg feed, (E) giving curcuma flour at 10%/kg feed. The results of analysis of variance (Anova) showed that the addition of the flour at different doses had a significant effect (P<0.05) on the growth of gouramy fish fry. The results showed that the addition of curcuma flour at 7.5%/kg of feed gave the best results with the highest absolute weight growth of 15.11 ± 0,42 g, the highest absolute length growth of 3.92 ± 0,42 cm, the feed conversion ratio of 1.95 ± 0.11, and survival of 100%. Keywords: Gouramy fish, curcuma flour, growth, feed.
SPATIAL AND TEMPORAL PATTERNS OF FISHING USING PAYANG NETS IN STARING BAY, SOUTH KONAWE DISTRICT Safitri, Dita; Tadjuddah, Muslim; Mustafa, Ahmad; Alimina, Naslina; Arami, Hasnia
AQUASAINS Vol 12, No 3 (2024): July 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i3.p1528-1537

Abstract

Staring Bay is a semi-open bay that has a relatively large potential for fishery resources, so it is widely used by fishermen in South Konawe Regency to carry out capture fisheries activities. One of the fishing gear operated by fishermen is payang fishing gear. This fishing gear is operated to catch small pelagic fish. The purpose of this study was to determine the spatial and temporal patterns of fishing with Payang fishing gear in the waters of Staring Bay, South Konawe Regency. The research was conducted from December to January 2022 in the waters of Staring Bay, South Konawe Regency. The analytical method consists of catch composition analysis, CPUE analysis, correlation and determination analysis. Based on the research results, it was found that the fish catch was directly proportional to the distance from the fishing area. The distance of the fishing area that is far from land is 5.50 miles with a catch of 450.00 kg/trip, while the distance of the fishing area that is close to land is 3.35 miles with a catch of 82.50 kg/trip. Apart from that, fishing time also influences catch results, where the highest catch occurs in January reaching 211.91 kg/trip and the lowest catch occurs in December reaching 12.66 kg/trip.Keywords: Payang catch, spatial and temporal patterns, Staring Bay
CONCENTRATION OF BENZALKONIUM CHLORIDE IN DONAN RIVER CONTAMINATED WITH DOMESTIC WASTE Ayu, Nurina; Rahayu, Nur Laila; Setyastuti, Aryanti Indah
AQUASAINS Vol 12, No 3 (2024): July 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i3.p1538-1546

Abstract

The distribution of benzalkonium chloride (BAC) in inland waters has not been widely studied, despite its known dangerous effects on organisms. This study was conducted to determine the concentration of BAC in the Donan River, Cilacap, which receives significant input from domestic waste, particularly from the food industry. The study employed a quantitative descriptive method to analyze the presence of BAC in the river, with sampling stations selected using the purposive sampling method to ensure comprehensive coverage. Samples were collected from five different stations along the Donan River, revealing BAC concentrations at station 1 ranging from 0.128 to 0.140 µg/l, station 2 from 0.213 to 0.237 µg/l, station 3 from 0.163 to 0.190 µg/l, station 4 from 0.176 to 0.210 µg/l, and station 5 from 0.240 to 0.247 µg/l. These findings indicate that the concentration of BAC in the Donan River is comparable to levels found in other rivers worldwide, where the presence of BAC has been documented. The study highlights the need for regular monitoring of BAC levels in inland waters, given its potential ecological impacts. The elevated levels of BAC, especially in areas receiving substantial domestic waste, suggest that the discharge from the food industry and other domestic sources significantly contributes to the contamination.  Keywords: domestic waste, ecology, micro pollutants, toxicology, water pollution.
LENGTH-WEIGHT RELATIONSHIP OF Trichopodus pectoralis IN THE SPEECTRA (SPECIAL AREA FOR CONSERVATION AND FISH REFUGIA) OF PATRA TANI FLOODPLAIN, PALEMBANG Haikal, Muhammad Faaris; Suryati, Ni Komang; Julian, David
AQUASAINS Vol 13, No 1 (2024): NOVEMBER 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v13i1.p1619-1631

Abstract

Floodplains are dynamic freshwater ecosystems characterized by significant ecological shifts between dry and rainy seasons. The snakeskin gourami (Trichopodus pectoralis), a resilient blackfish species, thrives in these extreme environments due to its specialized labyrinth breathing organ. However, its wild populations are declining, necessitating sustainable conservation strategies. This study evaluated the effectiveness of the special area for conservation and fish refugia (SPEECTRA) model, developed by BRPPUPP, in Patra Tani, Palembang. The SPEECTRA model leverages seasonal fish migration from rivers to floodplains during inundation, capturing fish in designated conservation ponds to facilitate spawning, protection, and production enhancement. Over a 30-day period at the Patra Tani Installation, purposive sampling was employed to collect T. pectoralis specimens. Growth patterns were analyzed using length-weight regression, and Fulton’s condition factor (Kn) was calculated. Results demonstrated that W=0.0108 L3.1076 with R2=0.9469. The growth pattern of the studied fish exhibited positive allometric characteristics, indicating that the population is likely in a favorable condition. This finding indicated the effectiveness of SPEECTRA as a fishery sanctuary, safeguarding key species such as T. pectoralis while mitigating anthropogenic pressures on aquatic ecosystems.Keywords: Aquatic organisms, sustainability, condition factor.
EFFECT OF MICROENCAPSULATED Lactobacillus sp. ON CATFISH (Pangasius hypophthalmus) INFECTED WITH Aeromonas sp. Kharima, Zhafira Putri; Mulyani, Yuniar; Iskandar, Iskandar; Herman, Roffi Grandiosa
AQUASAINS Vol 13, No 1 (2024): NOVEMBER 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v13i1.p1575-1588

Abstract

The prevention of fish infections caused by Aeromonas sp. bacteria can be achieved using Lactobacillus sp. bacteria. This study aims to identify and analyse the effect of Lactobacillus sp. using the microencapsulation method to treat catfish infected with Aeromonas sp. The identification of Lactobacillus sp. bacteria was conducted through microbiological and molecular tests. After obtaining the test results, the research continued with the application of microencapsulation using the emulsion technique. The impact of this microencapsulation was evaluated on catfish through an experimental approach employing a completely randomised design (CRD), with 10 catfish tested in each experimental aquarium. The study included five treatments, designated as A, B, C, D, and E. Treatment A served as the control, without the administration of Lactobacillus. Treatment B involved the application of Lactobacillus without microencapsulation. Treatments C, D, and E utilised varying doses of Lactobacillus at 0.003, 0.005, and 0.007 g/L, respectively. Each treatment was conducted in triplicate. Microbiological and molecular testing identified encapsulated Lactobacillus sp., specifically Lactobacillus helveticus and Lactobacillus johnsonii. The results indicated that treatment D, comprising a dose of 0.005 g/L of Lactobacillus helveticus and Lactobacillus johnsonii, was the most effective in promoting the healing of catfish infected with Aeromonas hydrophila bacteria.Keywords: Completely randomized design, bacterial infection mitigation, probiotic bacteria, emulsion technique.
TASTE LEVEL OF FISH DRUMSTICK “DRAGON FEET” MADE FROM LARGE PELAGIC FISH MEAT Junianto, Junianto; Gunawan, Nesya Putri; Damayanti, Yohana; Wijayanto, Rahmat
AQUASAINS Vol 13, No 1 (2024): NOVEMBER 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v13i1.p%p

Abstract

The vast potential of Indonesia's seas makes fish a vital food source, contributing significantly to food availability in the country. Among the commonly caught species are large pelagic fish, such as tuna, skipjack tuna, and mackerel. To diversify processed fish products, large pelagic fish are transformed into innovative products, including "dragon's foot" products. This research aimed to identify the most suitable type of large pelagic fish meat for producing the most preferred dragon's foot product. The study employed an experimental method with three treatments based on the type of fish meat used: tuna, mackerel, and skipjack. The resulting dragon's foot products were evaluated for appearance, aroma, texture, and taste preferences by 15 semi-trained panelists. Statistical analysis was performed using the non-parametric Friedman test and paired comparison test, while the Bayes method was applied to determine the optimal treatment. The results revealed that the meat of large pelagic fish—specifically tuna, mackerel, and skipjack—serves as the primary ingredient in making dragon's foot products. Among these, the dragon's foot products made from tuna meat were the most favored by the panelists.Keywords: Bayes method, non-parametric analysis, product preference, sensory evaluation.

Page 18 of 23 | Total Record : 221

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