The evaluation of seed production of silver arowana fish Osteoglossum bicirrhosum (Cuvier, 1829) with different natural feeding

Abstract

Silver arowana fish, Osteoglossum bicirrhosum (Cuvier, 1829), is an ornamental fish originating from Brazil which has been popular among hobbyists. The increasing demand is not followed by an increase in fish production. To increase production, it is necessary to provide proper feed. The purpose of this study was to evaluate the production of arowana fish seeds by providing different natural feeds through growth and survival rate. This study was conducted using Completely Randomized Design (CRD). This study used 3 replications and 3 treatments (A: Tubifex sp., B: Chironomus sp., and C: combination of Tubifex sp. and Chironomus sp.). The length and weight results showed that treatment A had length of 0.45 cm, weight of 0.33 grams, treatment B had length of 3.36 cm, weight of 2.30 grams and treatment C had 1.65 cm, a weight of 1.28 grams. The survival rate showed that treatment A 60%,treatment B 100% and treatment C 67%. Based on these results, the natural feed of Chironomus sp. was very appropriate to increase the growth and survival rate of silver arowana fish seeds.

Growth Performance of Silver Arowana Fed with Gryllus mitratus (Local Cricket) and Blaptica Dubia (Dubia Roach)

“…Based on the Duncan test results, treatment A (100% guppies) was significantly different (P<0.05) to treatment C (100% Dubia roaches), treatment D (50% guppies: 50% local crickets), and treatment E (50% fish guppies : 50% Dubia roaches) and showed results that were not significantly different (P>0.05) to treatment B (100% local crickets). The absolute weight gain in this research is higher than that of Santanumurti et al (2021) absolute weight gain of Brazilian silver Arowana fed with Chironomus sp. which resulted in an absolute weight gain of 3.36 grams.…”

“…Based on the Duncan test results, treatment A (100% guppies) was significantly different (P<0.05) to treatment C (100% Dubia roaches), treatment D (50% guppies: 50% local crickets), and treatment E (50% fish guppies : 50% Dubia roaches) and showed results that were not significantly different (P>0.05) to treatment B (100% local crickets). The absolute weight gain in this research is higher than that ofSantanumurti et al (2021) absolute weight gain of Brazilian silver Arowana fed Chironomus sp. which resulted in an absolute weight gain of 3.36 grams.The high absolute weight gain in feeding in the form of guppies, crickets and a combination of both, is thought to be due to the combination feed between local crickets and guppies meeting the nutritional needs of Brazilian silver Arowana due to a variety of feeds.…”