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PAKAN DAN KEBIASAAN MAKAN IKAN KEMBUNG LELAKI (Rastreliger canagurta) DI PERAIRAN SEKITAR SORONG Siti Asma; Intanurfemi B Hismayasari
Jurnal Airaha Vol 2 No 1: Juni 2013
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1603.073 KB)

Abstract

This study aims are to identify the type of food mackerel fish and classifying mackerel by their food habits is nearby of Sorong Sea. This Study was conducted from May 2011 to December 2011. Samples were analized at the Fisheries Laboratory of Sorong Fisheries Academy, West Papua. Fish samples obtained from thw catch of fisherman that landed on fish auction place Jembatan puri and Boswesen. The samples used are 372 fishes consisted of 215 males and 157 females. Fish samples analyzed descriptively based on the relationship of total length and body weight of fish, condition factors and food habits. Equation total length relationship with the weight of the fish indicated that the value of the regression coefficient (b) is 2.005 and R2=0,924 and r=0961 indicates that there is a relationship between body length and body weight. Observations on the value of the average condition factors ranged between 0.9031-1.1574. The observation of the gastric contents is known that the greatest composition were from the genus Rhizosolenia = 67.16 % followed by Paracalanus,Acartia,anchovy and fish scales respectively – each sequence was 24.72 %, 15.5 % and 10.33%. The research concluded that the Mackerel Fish (Rastreliger canagurta) is an omnivorous fish based on food habits in its gastric contents were plankton (phytoplankton and zooplankton), fragments of animal and plant.
Identification of Ectoparasites Cause Lesions in Parents Goldfish (Carassius auratus) Agung S Abadi; Intanurfemi B Hismayasari; Waliyatun Waliyatun
AQUASAINS Vol 10, No 1 (2021)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v10i1.p1023-1028

Abstract

The purpose of this study was to determine the cause of bruises on the body of the mother goldfish (Carassius auratus). Fish were obtained from the Research Installation of Freshwater Aquaculture, Marine and Fisheries Polytechnic Sorong. The initial diagnosis of fish is weak, decreased appetite, and has bruises in almost all parts of the body. Fish were isolated and identified at the Sorong Fish Quarantine and Quality Control Station. Examination starts from the head, gills, body and tail. The results of identification using a microscope obtained the types of ectoparasites in the form of, Dactylogyrussp, Ergasilus sp. Gyrodactylus sp. Lernea cyprinacea, Lernea sp and Trichodina sp.