Grouper fish (Epinephelinae)

[BorneanTiger]

Groupers are fish of any of a number of genera in the subfamily Epinephelinæ of the family Serranidæ, in the order Perciformes. Not all serranids are called 'groupers'; the family also includes the sea basses. The common name 'grouper' is usually given to fish in one of two large genera: Epinephelus and Mycteroperca. In addition, the species classified in the small genera Anyperidon, Cromileptes, Dermatolepis, Gracila, Saloptia, and Triso are also called 'groupers'. Fish in the genus Plectropomus are referred to as 'coralgroupers'. These genera are all classified in the subfamily Epiphelinæ. However, some of the hamlets (genus Alphestes), the hinds (genus Cephalopholis), the yellow-edged lyretails (genus Variola) and some other small genera (Gonioplectrus, Niphon, Paranthias) are also in this subfamily, and occasional species in other serranid genera have common names involving the word "grouper". Nonetheless, the word "grouper" on its own is usually taken as meaning the subfamily Epinephelinæ: https://books.google.com/books?id=cE_IQgAACAAJ&dq

Unusual sighting of grouper eating a shark:

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