Knobbed porgy (Calamus nodosus) is a saltwater species recorded in the United States. It is mainly found over reef, at depths of 7–90 m.
Scientific name: Calamus nodosus · Water: Saltwater
Size: up to 54.4 cm
The knobbed porgy is a sparid found over hard bottoms, recorded from 7 to 90 m. It is sometimes taken in trawls and by hook and line, and it is a good food fish. Maximum length is about 54.4 cm total length, commonly about 35 cm, and it can live 17 years. It is a minor commercial species and a gamefish, with a medium price category. Fishing vulnerability is moderate to high at 50 of 100 and resilience medium. IUCN lists it as least concern.
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