Scientific Name
Xenisthmus chi
Common Name
Chi wriggler
Biology
Dorsal
spines
(total): 7;
Dorsal
soft rays
(total): 12;
Anal
spines: 1;
Anal
soft rays: 11;
Vertebrae: 26. This species is distinguished by the following characters: second dorsal-fin rays I, 12; A rays I,11; predorsal area broadly scaled to just behind vertical through posterior edge of preopercle, a narrow median wedge of scales extending further forward almost to pore D; posterior naris no flap on anterior rim; head and body pale with brown reticulate mottling, forming about 11 X-shaped markings along the sides, between pectoral and caudal-fin bases (Ref. 59014).