About This Fish

Giant Sea Bass


The giant sea bass (Stereolepis gigas) is a ray finned fish which belongs to family Polyprionidae under Orde Perciformes of Class Actinopterygii. It is also known as California black sea bass, California jew?sh, giant bass, black sea bass. It lives in tropical and subtropical inshore waters of the northeast Pacific off the California, North Mexican coasts and Asiatic Pacific coast. It usually occurs in relatively shallow water near kelp forests, drop offs, or rocky bottoms and sand or mudflats.



The giant sea bass has a very large oblong and bulky robust body with small rough scales. Body is grey-brown with large dark spots. Juvenile is mottled with prominent dark spots and has a few pale-yellow blotches with brick-red body. It has a large mouth with small teeth and the caudal fin is straight with rounded tips. Dorsal fin has two parts - spiny and soft, of which, the spiny part is separated from the soft part by a single notch. The spiny dorsal fin is extremely low and has 11 spines whereas the soft part is higher with 10 rays. Juvenile grows about 30 cm in length after two years and reaches sexual maturity at the age between 11 and 13 years. It is highly voracious feeder which mainly feeds on sting rays, skate, lobster, crabs, various flatfish, small sharks, mantis shrimp, blacksmith, ocean whitefish, red crab, sargo, sheephead, octopus and squid. Occasionally it also eats kelp bass or barred sand bass. It is pelagic spawner which spawns in summer and female lays 60 million eggs per annum. It grows up to 250 cm in length and 255 kg in weight and can live up to 100 years.


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