Arius oetik

Johari, Adibah, Kocsis, László, Roslim, Amajida & Haziq, Ilman, 2025, Otolith morphometric analysis of North Bornean Ariidae (Siluriformes): new insights and taxonomic implications, Zootaxa 5660 (4), pp. 451-474 : 459

Arius oetik (n= 7) ( Fig. 5 , Supplementary data 5)

These otoliths also appear triangular and generally quite indistinguishable from A. maculatus . Though, their Md appears to be more pronounced. They have subtle Amp, and compact curved Sl. Their mesial notch is compressed, and they bear shallow ILb.

Figures

FIGURE 5. Left lapilli otolith of ariid taxa with elongated otolith. 1: Arius maculatus; 2: Arius oetik; 3: Arius venosus; 4: Batrachocephalus mino; 5: Cryptarius truncatus; 6: Kyataphisa nenga, a: Ventral view; b: Dorsal view; c: Mesial view, Scale bar: 1mm.