Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .
Dorsal spines (total): 12; Dorsal soft rays (total): 14 - 15; Anal spines: 2; Anal soft rays: 16 - 17; Vertebrae: 33. Dorsal fin XII.14 or 15, with deep notch between spinous and segmented-ray portions. Anal fin II,16 or 17. Pectoral fin 13. Segmented caudal-fin rays 13. Vertebrae 10 + 23. Dentary incisor teeth 50-54 which includes anterior canine teeth very similar in appearance with incisors; posterior canines 1 on each side. Lateral line without vertical pairs of pores, terminating posteriorly at some point between vertical from interspace between dorsal-fin spines 10 and 11and vertical from first segmented ray. With cirrus on posterior rim of anterior nostril; absent on anterior rim. Dark spots on posterior half of body tile-like, surrounded and separated from each other only by pale, grout-like (interconnected) network .: elongated; Cross section: oval.
Behavioural data for Ecsenius Tessera is currently being reviewed.
Diet information for Ecsenius Tessera is currently being compiled.
Oviparous, distinct pairing .
Marine; reef-associated; depth range 6 - 10 m . Tropical
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