Perciformes
Perciformes
Perciformes (pronounced: per-si-form-ees) is the largest order of fishes, and it includes about 40% of all known fish species. The name "Perciformes" comes from the Latin perca, meaning "perch," and forma, meaning "shape."
Etymology
The term "Perciformes" is derived from the Latin words perca, which means "perch," and forma, which means "shape." This is due to the perch-like shape of the fish in this order.
Description
Perciformes are characterized by their spiny dorsal fins, which are usually divided into two parts. They also have a pair of pelvic fins that are positioned under the chest. The majority of Perciformes are marine species, but there are also some freshwater and brackish water species. They can be found in a wide range of habitats, from tropical coral reefs to the cold waters of the Arctic.
Related Terms
- Actinopterygii: The class to which Perciformes belong. It is the largest and most successful class of fishes, with over 30,000 species.
- Teleost: The infraclass that includes Perciformes. Teleosts are characterized by their mobile jaws and homocercal tail.
- Cichlidae: A family within the Perciformes order. Cichlids are one of the largest vertebrate families, with over 1,600 species.
- Serranidae: Another family within the Perciformes order. It includes sea basses and groupers.
- Labridae: This family within the Perciformes order includes the wrasses, which are known for their bright colors.
External links
- Medical encyclopedia article on Perciformes
- Wikipedia's article - Perciformes
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