Perciformes Facts for Kids | 水產百科網

2021年4月14日—Characteristics.Palaeopercaproxima.PrimitiveperchPalaeoperca(Palaeopercaproxima).Thedorsalandanalfinsaredividedintofront ...

The Perciformes is the largest order of vertebrates. They have about 40% of all bony fish.p151[1][2][3]

Perciformes means perch[4]-like. They belong to the class[5] of ray-finned fish[6] and have over 7,000 species[7] in almost all aquatic environments.

They have the widest range of sizes of any order of vertebrates, ranging from the 7 mm Schindleria brevipinguis[8] to the 5 metre Makaira species. They first appeared and diversified in the Upper Cretaceous[9].

Some well-known members of this group are angelfish[10], barracuda[11], bass[12], blenny[13], cichlids[14], damselfish[15], filefish, goby[16], grouper[17], remora[18], swordfish[19], mackerel[20], pufferfish[21], tilefish, tuna[22], whiting, and of course perch[23].

The dorsal[24] and anal fins[25] are divided into front spiny and back soft-rayed portions, which may be partially or completely separated.

The pelvic[26] ...