Ecsenius isos McKinney & Springer 1976

Dorsal fin XII.14 or 15, deeply notched between spinous and segmented-ray portions. Anal fin II,16 or 17. Pectoral fin 13 or 14 (rarely 14). Segmented caudal-fin rays 13. Vertebrae 10 + 22 or 23. Dentary incisor teeth which includes anterior canine teeth very similar in appearance with incisors, 43-51; posterior dentary canines 1 on each side. Lateral line lacking pairs of pores, terminating posteriorly at point between verticals from dorsal-fin spines 8 and 11. With cirrus onposterior rim of anterior nostril; absent on anterior rim. With bilateral pair of dark spots on theventrolateral surface of the head in both males and females, and a dark, somewhat diffused, spot in the pectoral-fin axil. Lateral line generally extending slightly further posteriorly.

Oviparous, distinct pairing (Ref. 205).

Dorsal spines (total): 12; Dorsal soft rays (total): 14 - 15; Analspines: 2; Analsoft rays: 16 - 17; Vertebrae: 32 - 33

Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).