Femy Mahmud Sahami
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Nike is an amphidromous goby species that migrates from the Gorontalo Bay waters to the Bone Bolango River and metamorphoses into adult goby. This fish is very popular, and it becomes people’s favorite as delicious food and turns into an importanteconomic commodity in Gorontalo. Therefore, the exploration of Nike fish’s adult phase as an essential phase inthe availability of Nike inthe Gorontalo Bay waters needs to be done. This study aims to determine the types of goby as the adult phase of Nike fish in the Bone Bolango River waters based on genetic analysis of the mitochondrial DNA COI gene. Sampling was carried out in April and June 2020. The captured samples are then grouped according to their morphological similarity (shape, color, and body pattern). Each of the two samples from each morphological group was preserved in a 95% ethanol solution for genetic identification needs. This study succeeded in finding the adult phase of six species from a total of nine species of a composer for Nike fish schools in Gorontalo; Sicyopterus longifilis, S. lagocephalus, Belobranchus belobranchus, B. segura, Bunaka gyrinoides, and Stiphodon semoni. S. longifilis and S. lagocephalus species are fish with the local name Busalo; B. segura, B. belobranchus, and B.gyrinoides are locally named Hundala; and S. semoni is locally named Timudu’o. The sustainability of Nike’s resources can be done with proper management of this adult phase of Nike fish in the river, such as not overfishing goby or releasing goby that are carrying eggs into the river.Key Words:amphidromous, Busalo, COI gene, gobi, Hundala, Nike, Timudu’o
Bioflux Publishing House
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