Colors matching surroundings and extremely well-camouflaged (Ref. 48635). Pelvic and anal fins spines are similarly developed. 12-14 stout grooved spines, each with a large venom sack at its base (Ref. 37816).

Description: Characterized by having almost equally sized dorsal spines; large and fleshy pectoral fin; broad and depressed head; relatively small and widely separated eyes, directed upward; dorsal mouth opening, vertical gape; depth of body about 2.5 in SL (Ref. 90102).