Also known as sculpin, and ‘mother-in-law fish' because of its loud mouth and constant croaking, the Cabezon is a large, smooth and scaleless fish that is the only species under its genus. The cabezon (Scorpaenichthys marmoratus) is a unique fish living on the Pacific coast. Generally found near the ocean floor, the cabezon is known for being stubborn because of its temperament and its ability to remain nearly motionless until its next meal. They also have poisonous spines that match their attitude! Cabezon is Spanish for "big headed," which perfectly describes this fish. cabezon tend to settle in tide pools and eventually make their way to the kelp forest to live out their adult lives under rocks and hiding in the shadows. The coloration of cabezon is usually brown with shades of either green (females) or red (males). More than 90% of the green Cabezon fish are female, while more than 90% of the red Cabezon are males.