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California Scorpion Fish

(Scorpaena guttata)
Population status in the wild: Least Concern

The California Scorpionfish is a species of venomous fish found along the rocky reefs, kelp forests, and sandy bottoms of the coastal waters of Southern California and Baja California. Its physical appearance is characterized by a mottled red to orange-brown body with spiny protrusions along its head and body, which help it blend in with the surrounding environment. It typically grows to lengths of 12 to 18 inches, though individuals up to 24 inches have been recorded.

This species is known for its venomous spines, located on the dorsal fin, which can deliver a painful sting if stepped on or handled improperly. Despite its venom, the California Scorpionfish is not considered a significant threat to humans, as its venom is rarely fatal but can cause intense pain and swelling.

The diet of the California Scorpionfish consists primarily of smaller fish, invertebrates, and crustaceans, which it ambushes using its camouflaged appearance. These fish are ambush predators, often lying motionless on the sea floor until they pounce on unsuspecting prey. In aquariums, they are fed live fish, shrimp, and other protein-rich foods that mimic their natural diet.

The California Scorpionfish has a lifespan of 10 to 15 years in the wild. While they are often solitary, they can sometimes be found in small groups or pairs during breeding seasons. Despite their venomous nature and predatory behavior, the California Scorpionfish is not considered threatened or endangered, with a stable population in its natural range.

Fun Facts:
The California Scorpionfish is an ambush predator, relying on its ability to remain motionless and blend into its environment to capture prey.

It is commonly found in waters between 20 to 150 feet deep, often in areas with rocky structures, kelp forests, or coral reefs.

The venom in its spines contains a protein that causes pain and swelling but is not life-threatening to humans, although it can lead to serious discomfort.

ABOUT US >

Welcome to Cabrillo High School Aquarium, a student run program. Here at Cabrillo High School, we encourage growth and development within our students. As such our directory as well as our program are constantly evolving and changing, similar to the natural world.

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Students that made this possible

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This site was last updated: 04/29/2025

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CONTACT >

T: (805) 742-2888

E: eisen.greg@lusd.org

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