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Perch is a common name for freshwater fish from the genus Perca, which belongs to the family Percidae of the large order Perciformes. The name comes from Greek : πέρκη , romanized : perke , meaning the type species of this genus, the European perch ( P. fluviatilis ).
The yellow perch (Perca flavescens), commonly referred to as perch, striped perch, American perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samuel Latham Mitchill from New York.
The European perch (Perca fluviatilis), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man's rockfish or in Anglophone parts of Europe, simply the perch, is a predatory freshwater fish native to Europe and North Asia. It is the type species of the ...
The pelvic fins are placed on the thorax and have a single spine and 5 soft rays. They also have skeletal synapomorphies . [ 3 ] The maximum size attained is 100 centimetres (39 in) in the zander ( Sander lucioperca ) [ 4 ] but most of the species in the family are much smaller. [ 3 ]
Their tail fin shape is flat with a slight indent in the middle, making both sides of the fin symmetrical. The larvae of Pacific Ocean Perch are challenging to identify and distinguish from other rockfish larvae because they all contain similar developmental characteristics.
Perciformes (/ ˈ p ɜːr s ɪ ˌ f ɔːr m iː z /), also called the Acanthopteri, is an order or superorder of ray-finned fish in the clade Percomorpha. Perciformes means "perch-like".". Among the well-known members of this group are perches and darters (), and also sea basses and groupers
This one weird little fish — a beigeish critter found on sandy river bottoms in Tennessee and fond of munching on snails and water bugs — just upset 50 years of environmental efforts aimed at ...
Their fins are almost entirely transparent. These fish have thick bodies with a long head, long snout, and a small mouth. [3] They have a single dorsal fin containing 1–3 spines and 10–11 soft rays. They also have an adipose fin, similar to trout, which helps to distinguishes them from their look-alike species, the yellow perch and the ...