Enhancing the economic value and consumer preferences of commercial <i>mondol</i> stingray (<i>Himantura gerardi</i>) leather creative products

Sahubawa, Latif; Pertiwiningrum, Ambar; Rahmadian, Yudi

doi:10.1088/1755-1315/139/1/012049

Cited by 6 publications

(10 citation statements)

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“…There has been an increasing domestic demand for stingray leather in Indonesia over the past 20 years, with the development of a commercial market for stingray leather on the north coast of Central Java during the period 1980 – 1990 (Ibrahim, 2003). Prior to 1980, stingrays were discard as bycatch in the tangle net fishery (Ibrahim, 2003, Sahubawa et al, 2018), now they are the main component of the landed catch in 2018. The calcified denticles in the stingray skin, such as P. jenkinsii , results in a unique and attractive finish to the leather products (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…The calcified denticles in the stingray skin, such as P. jenkinsii , results in a unique and attractive finish to the leather products (e.g. bags, belts, wallets and jewellery), and have a high economic value (Karthikeyan et al, 2009, Sahubawa et al, 2018). Additionally, stingrays remain a major fishery export from Indonesia with stingray meat being consumed throughout the region and conservation concerns growing for species such as M. gerrardi and M. macrura (Clark-Shen et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…The high value of wedgefish and giant guitarfish fins was a particularly strong driver for this fishery, with the fins worth approximately 1.5 times more than those from other species (Keong, 1996). More recently, high valued leather products from stingrays, which appear to be increasing in demand (Karthikeyan et al, 2009, Sahubawa et al, 2018), drives the retention of large stingrays. There is strong anecdotal evidence of declines of wedgefish and giant guitarfish in some areas of Indonesia as a result of this fishery (Amir, 1988, Keong, 1996).…”

Section: Introductionmentioning

confidence: 99%

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Untangling the Indonesian tangle net fishery: describing a data-poor fishery targeting large threatened rays (Order Batoidea)

White

Chin

et al. 2019

Preprint

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35Shark-like batoids (Order Rhinopristiformes) are normally taken as incidental catch in fisheries 36 targeting other species, one exception is a poorly understood Indonesian tangle net fishery. Market 37 surveys of Muara Angke landing port recorded landed catch for this fishery. Recent catch data from 38 Indonesian Capture Fisheries (2017 -2018) were also examined to provide contemporary 39 information. During the market surveys, 1,559 elasmobranchs were recorded, comprised of 24 40 species of batoids and nine species of sharks. The most abundant were pink whipray Pateobatis fai 41 and bottlenose wedgefish Rhynchobatus australiae, the latter being the main target species. Catch 42 composition differed between individual tangle net boat landings, likely reflecting different fishing 43 grounds, seasonal variation and potential localised declines in species over time. The fishery is highly 44 selective for larger size classes, but smaller size classes of target species are also caught in high 45 numbers in other Indonesian fisheries such as trawl, small mesh gillnet, and hand-and long-line 46 fisheries. As of July 2018, the tangle net fishery was still operating, but few wedgefish were caught 47 and the main landed catch was stingrays. Evidence of substantial and rapid declines in landings of 48 wedgefish species, raises concerns about the status of shark-like batoids and stingrays in Indonesia. 49 50

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Untangling the Indonesian tangle net fishery: describing a data-poor fishery targeting large threatened rays (Order Batoidea)

White

Chin

et al. 2019

Preprint

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“…The value-added product analysis uses the percentage increase in selling price method in each market segment (the price of raw materials and/or semi-finished materials) in the production process with or without calculating production costs [8][9].…”

Section: Added Value Analysis Of Product (Tuna Topping Spaghetti)mentioning

confidence: 99%

“…The concept of added value in the fisheries industry according to [18] is an innovation in the use and processing of fishery by-products into raw materials, semi-finished materials, and final products in the form of food and non-food/feed with important and nutritious econochemical value for human consumption and aquaculture biota (fish and shrimp). According to [8], [9], the determination of the added value of a product from the utilization of fishery by-products is based on an increase in the selling price of a product (raw materials to semi-finished materials to finished materials) in each market segment, without and or taking into account production process costs.…”

Section: Value Added Of Productmentioning

confidence: 99%

Increased Value Added of Tuna Flakes (By-Product) from Steak Processing Through Development of Halal Commercial Food Products (Tuna Topping Spaghetti)

et al. 2021

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Yellowfin tuna is one of Indonesia's main export commodities, its meat contains high protein and can be processed into a variety of commercial food products. In the processing of loin, fillet and tuna steak, ± 10% of flaked meat is produced which can be used for processing commercial products. Spaghetti is one of the commercial products that is easily processed with raw materials and additives that are cheap and easy to obtain as well as halal and thoyib. The raw materials used are tuna flakes, spaghetti noodles and seasonings. The research objective was to analyze the chemical composition of tuna flakes and tuna topping spaghetti as well as the added value and level of consumer preference. This research uses laboratory methods, the percentage of additional selling value and consumer preferences. Proximate chemical composition of tuna flakes, namely: water content (74.80 - 75.25%); protein (16.35 - 17.00%); fat (1.43 - 1.50%); minerals (5.38 - 5.45%); carbohydrates (0.65 - 0.80%). Chemical composition of tuna topping spaghetti, namely: water content (62.73 - 69.13%); protein (7.08 - 8.34%); fat (0.42 - 0.76%); minerals/ash (0.93 - 1.16%) and carbohydrates (24.41 - 25.54%). The added value of tuna flakes in the processing of tuna topping spaghetti for two packages of spaghetti noodles (18 portions) is Rp. 147,355 (80.79%). The level of consumer preference (25 panelists) towards the visual value of tuna topping spaghetti is “very like” (76.0%) and “like” (24%); smell values, namely "really like" (72.0%) and "like" (28%); the value of taste, namely "really like" (80.0%) and "like" (20%); Texture values are “really like” (80.0%) and “like” (20%) and taste values are “really like” (76.0%) and “like” (24%).

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Untangling the Indonesian tangle net fishery: Describing a data‐poor fishery targeting large, threatened rays (Superorder Batoidea)

D’Alberto

White

Chin

et al. 2021

Aquatic Conservation

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Shark‐like rays (Order Rhinopristiformes) are among the most threatened families of marine fish, yet little is known about their populations. These rays are normally taken as opportunistic catch in fisheries targeting other species and are thus poorly reported. One exception is the Indonesian tangle net fishery, which targets shark‐like rays. Market surveys of Muara Angke landing site in Jakarta, north‐western Java were conducted between 2001 and 2005, and the landed catch from the tangle net fishery was recorded (the Muara Angke landing site includes landings from more than one fishery). In total, 1,559 elasmobranchs (sharks and rays) were recorded, comprising 24 species of rays and nine species of sharks. The most abundant species landed were the pink whipray Pateobatis fai and the bottlenose wedgefish Rhynchobatus australiae, the latter being the main target species. Catch composition varied based on differences in species catchability and may also be indicative of localized declines. The fishery was highly selective for larger sized individuals, while smaller size classes of many ray species, including the target species, were also caught in other Indonesian fisheries, resulting in fishing pressure across all age classes. The decline of tangle net vessels in the fishery and the potential shift in catch composition in the Indonesian tangle net fishery increase concerns about the status of shark‐like rays and stingrays in Indonesia.

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Enhancing the economic value and consumer preferences of commercial mondol stingray (Himantura gerardi) leather creative products

Cited by 6 publications

References 0 publications

Untangling the Indonesian tangle net fishery: describing a data-poor fishery targeting large threatened rays (Order Batoidea)

Untangling the Indonesian tangle net fishery: describing a data-poor fishery targeting large threatened rays (Order Batoidea)

Increased Value Added of Tuna Flakes (By-Product) from Steak Processing Through Development of Halal Commercial Food Products (Tuna Topping Spaghetti)

Untangling the Indonesian tangle net fishery: Describing a data‐poor fishery targeting large, threatened rays (Superorder Batoidea)

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