### animal | vertebrate | fish | perch:

Yellow perch
* Most yellow perches have fins
  - jaws
  - separate dorsal fins
  - live for years
* Some yellow perches have distinction.
* are a popular recreational catch
  - active early in the year and can be caught on minnows
  - almost identical in appearance to European perch, but have a more yellow coloring
  - also piscivorous preferring shiners and minnows
  - an intermediate predator in the food chain
  - considered to be fun, easy to catch and a joy to eat
  - economically important in terms of a food source and recreation
  - extremely popular food fish in the northern United States
  - for the most part, aggressive biters
* are found mainly in lakes and sometimes in impoundments of larger rivers
  - statewide in almost any water from very small ponds to the largest reservoir
  - golden or brassy yellow with six to nine dark vertical bars on their sides
* are most active during the daytime
  - in the morning and evening
  - native to Lake Erie and have always been an important fishery
  - olive green on the back blending to a golden yellow on the sides
  - oviparous , as eggs are fertilized externally
  - particularly popular for ice fishing
  - perchs
* are the first fish that arrive in the rivers after the first of the year
  - preferred prey of adult walleyes in many cases
  - very tasty and are popular year-round, especially with ice fishermen
* can adapt to diverse habitats and are tolerant of low dissolved oxygen.
* continue to bite very well.
* grow faster in Lake Michigan when they are scarce than when they are abundant
  - very quickly
* has many fine and sharp teeth.
* have a single spawning period each year
* is an important food source for freshwater predators
  - one of the easiest fish to catch, and can be taken in all seasons, and tastes great
* known predator of juvenile largemouth bass.
* lose their normal diel behavior activity patterns during spawning season.
* make up a substantial part of the walleye diet in the natural lakes.
* spend their entire lives in the same river.
* support a commercial fishery in Lake Michigan, Lake Erie, and Lake Huron.

Pilot fish
* are fish
  - small fish that swim alongside a shark
* follow the sharks and clean their skin of parasites.
* swim in front of sharks and accompany vessels for the feeding obtained.

### animal | vertebrate | fish:

Plaice
* are characterised by their smooth , brown skin , red spots and bony ridge behind the eyes
  - common all around Britain and Ireland
  - flatfishs
  - flounder
  - great to eat, although it takes some practice to successfully fillet a flatfish
  - part of plaices
* bottom-dwelling flatfish.
* common name used for a group of flatfish.
* includes brains
  - breasts
  - cell membranes
  - chest cavities
  - chests
  - corpi
  - cytoplasm
  - faces
  - fish scales
  - fishbones
  - flippers
  - heads
  - nuclei
  - pedal extremities
  - plasma membranes
  - rib cages
  - sections
  - skulls
  - sperm
  - sterna
  - tail fins
  - vacuoles
  - vertebrate feet
  - yolks
* is flounder
  - low in calories
  - probably the best known fish species in the North Sea
* live mostly on sandy bottoms, although they also live on gravel and mud.
* long-lived species and subject to high fishing pressure.
* reach maturity typically when they are between four and six years old.
+ European plaice: Edible fish :: Danish cuisine :: Flatfish
  * They are a commercially important flatfish. They live on the sandy bottoms of the European shelf. Its geographical range is from the Barents Sea to the Mediterranean. Plaice are characterised by their smooth, brown skin, red spots and bony ridge behind the eyes.

Poisonous fish
* Most poisonous fish have spines.
* Most poisonous fish live in oceans
  - temperate oceans

Predatory fish
* are fish that prey upon other fish or animals.
* invade the sun-warmed land.
* vary in their level of activity.