Penelitian ini berfokus pada karakter morfometrik dan meristik ikan kakap putih (lates calcarifer) yang terdapat ditempat pendaratan ikan juata laut kota tarakan. penelitian ini bertujuan untuk menganalisa karakter morfometrik dan meristik serta perbedaan ikan kakap putih jantan dan betina secara morfologi di tempat pendaratan ikan juata laut kota tarakan. pengambilan sampel selama 2 minggu pada tanggal 16 april sampai dengan 30 april dengan jumlah sampel ikan sebanyak 30 ekor. hasil analisis persamaan regresi linear menunjukkan ikan kakap putih jantan dan kakap putih betina memiliki keberatan yang sangat kuat berkisar 0,831 – 0,996 dan pada uji diskriminan ditemukan lima perbedaan karakter mofometrik yaitu ps, pk, tk, pssv, pssa ikan kakap putih betina lebih panjang dibandingkan dengan ikan kakap putih jantan. hasil perhitungan meristik pada ikan kakap putih jantan dan betina memiliki sirip lengkap d¹. vii ; d². i.12, p. 18, v.ii. 18, a¹.iii; a².7, c. 18- 20, ll 67 - 80. kata kunci: lates calcarifer; morfometrik dan meristik; tpi juata laut

This study focused on the morphometric and meristic characteristics of the white snapper (lates calcarifer) found in juata laut fish landing site, tarakan city. this study aimed to analyze the morphometric and meristic characters and differences in male and famale white snapper morphologically at the juata laut fish landing site. sampling was conducted for 2 weeks on april 16 to april 30 with a total of 30 fish samples. the results of the linear regression equation analysis showed that male and female white snappers had very strong objections ranging from 0.831 – 0.996 and in the discriminant test found five differences in morphometric characters including ps, pk, tk, pssv, pssa, female white snappers were longer than male white snappers. the results of meristic calculations on male and female white snappers revealed that they had complete fins lengkap d¹. vii ; d². i.12, p. 18, v.ii. 18, a¹.iii; a².7, c. 18- 20, ll 67 - 80. keywords: lates calcarifer, morphometric and meristic, tpi juata laut