Cross-sections of three hard parts of Arius maculatus from Songkhla Lake, Thailand. (A) otolith, (B) dorsal spine and (C) pectoral spine. The black dots are labeled annuli.

  Part of: Phaeviset P, Phomikong P, Avakul P, Koolkalaya S, Kwangkhang W, Grudpan C, Jutagate T (2021) Age and growth estimates from three hard parts of the spotted catfish, Arius maculatus (Actinopterygii: Siluriformes: Ariidae), in Songkhla Lake, Thailand’s largest natural lake. Acta Ichthyologica et Piscatoria 51(4): 371-378.