Shortspine thornyhead rockfish snuggled amongst a sea star. Also referred to as the “idiot fish” or “idiot cod” due to its large oversize head/eyes. Also shortspine thornyhead rockfish has a large head with a strong spiny ridge, and an elongate, tapering body which grows to a maximum length of 80 cm.
The dorsal fin has 15 to 17 spines and 8 to 9 soft rays and the anal fin has 3 spines and 4 to 5 soft rays. There is a deep notch in the pectoral fin and the caudal fin is rounded.