Stoplight parrotfish

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Stoplight parrotfish
Male (terminal phase)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Scaridae
Genus: Sparisoma
Species: S. viride
Binomial name
Sparisoma viride

The stoplight parrotfish (Sparisoma viride) is a species of parrotfish inhabiting coral reefs in Florida, Caribbean Sea, Gulf of Mexico, Bermuda and as far south as Brazil.[1] Like most of its relatives, it is able to change sex. Its typical length is between 1 and 1.5 ft (30–45 cm),[1] but it can reach up to 2 ft (64 cm).[2] It is normally found during the day at depths between 15 and 80 ft (5–25 m),[1] but can be found from 10 to 165 ft (3–50 m)[2]

Initial phase

The colors of the stoplight parrotfish in the initial phase, when it could be either a male or a female, are dramatically different from those in the terminal phase, when it is definitely a male. In the initial phase, the stoplight parrotfish can rapidly change the color of the scales on its underside from red to white.[citation needed]

The common name, stoplight, comes from the marked yellow spot near the pectoral fin, which is clearly visible only in specimens in the terminal phase.


  1. ^ a b c Humann, DeLoach (2002). Reef Fish Identification - Florida Caribbean Bahamas. New World Publications, Inc. ISBN 1-878348-30-2.
  2. ^ a b Froese, Rainer and Pauly, Daniel, eds. (2017). "Sparisoma viride" in FishBase. September 2017 version.