RAW DATA MEASUREMENT OF LENGTH AND WEIGHT OF NAPOLEON FISH (Cheilinus undulatus) IN BANGGAI ISLANDS AND BANGGAI SEA DISTRICT, CENTRAL SULAWESI PROVINCE INDONESIA
Description
Length-weight measurements of C. undulatus for 3 months carried out in five research locations obtained as many as 163 specimens with a total length of 150-590 mm (average 323.71; ±61.93 mm) and a total weight of 100-3500g (average 612; ±443.53 g). This data shows that the specimens caught for live marketing are immature juvenile fish. The frequency distribution of the highest class of hose size was at 249.5-299.5 (47 specimens), 299.5-349.5 (44 specimens), and 349.5-399.5 mm (38 specimens), the highest total frequency was 129 specimens followed by 399.5-449.5 (17 specimens) and 199.5-249.5 (11 specimens). Meanwhile, the lowest frequencies were at 149.5-199.5 (2 specimens), 499.5-549.5 (2 specimens), and at 499.5-549.5 and 549.5-599.5 only 1 specimen each.
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A. Experimental Design, Materials and Methods 1. Research location, specimen source This study was conducted in June-September 2020, obtaining as many as 163 specimens/samples of C. undulatus fish collected from fishermen in several fishing locations as well as living fish reservoirs in the waters of the Banggai Islands, including Peleng Island, Banggai Islands Regency, namely Kombakomba Village 1 specimen, Kantaman Village 1 specimen, and Langga Village 1 specimen. The two most common locations in the waters of Banggai Island, Banggai Laut Regency include Tinangkung District with 59 fish, and Toropot Island with 101 fish. After completing the measurement of the length-weight and observation of the morphology of the fish at the research site, the specimen was returned to the floating net cage owned by the fisherman to be ready for sale. 2 Weight-length measurement The weight of the specimen (W) was weighed using a Goto brand digital hanging scale with an accuracy of 0.1 g and the length measurement using a digital caliper to an accuracy of 0.01 cm. In addition, fish specimens were photographed using a Fujifilm HS55 finepix 42x camera, and the results of the photos were analyzed using ImageJ software to measure morphology. The gender of C. undulatus was identified based on morphological observations based on three main parts of the body, namely the genital papillae, the shape of the head, and the eye line of each mother fish. B.