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Encyclopedia > Bleak
Bleak

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Genus: Alburnus
Species: A. alburnus
Binomial name
Alburnus alburnus
(Linnaeus, 1758)

The bleak is a small pelagic fish of the Cyprinid family. Image File history File linksMetadata Size of this preview: 800 × 287 pixels Full resolution (2233 × 802 pixel, file size: 398 KB, MIME type: image/jpeg) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Bleak Metadata This file contains... For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Orders See text The Actinopterygii are the ray-finned fish. ... Families Suborder Cobitoidea     Balitoridae (hillstream loaches)     Catostomidae (suckers)     Cobitidae (loaches)     Gyrinocheilidae (algae eaters) Suborder Cyprinoidea     Cyprinidae (carps and minnows) The Cypriniformes are an order of ray-finned fish, including the minnows and some related families. ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ... Alburnus is a genus of ray-finned fish in the Cyprinidae family. ... This article does not cite any references or sources. ... The pelagic zone is the part of the open sea or ocean comprising the water column, i. ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ... The hierarchy of scientific classification In biological classification, family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. ...

Contents

Description

The body of the bleak is elongated and flat. The head is pointed and the relatively small mouth is turned upwards. The anal fin is long and has 18 to 23 fin rays. The lateral line is complete.The bleak has a shiny silvery colour the fins are pointed and colourless. The mouth is turned upward. The maximum length is approximately 25 cm. In fish, the lateral line is a sense organ used to detect movement in the surrounding water. ...


In Europe the species can easily be confused with many other species. In England young Bream and Silver Bream can be confused with young Bleak. The pointed upward turned mouth of the bleak is already distinctive at young stages. Young Roach and Ruffe have a wider body and a short anal fin. T Binomial name Linnaeus, 1758 The carp bream (Abramis brama) is a species of fresh-water fish belonging to the family Cyprinidae, to which about 1,500 species belong. ... Binomial name Linneaus, 1758 Synonyms Blicca bioerkna Linneaus, 1758 [orth. ... For other uses, see Roach. ... Binomial name Gymnocephalus cernuus Linnaeus, 1758 Synonyms Gymnocephalus cernua The Ruffe (Gymnocephalus cernuus) is a freshwater fish found in ur moms poo. ...


Occurrence

The Bleak occurs in Western England. In Europe it occurs in Southern Sweden, France and eastward toward the Wolga Basin and North-Western Turkey.


Ecology

It lives in great schools and feeds upon small molluscs, insects that fall in the water, insect larvae, worms, small shellfish and plant detritus. The bleak prefers open waters and is found in large numbers where there is an inflow of food from pumping stations or behind weirs. It is also found in streams and also in clear standing waters and can be very numerous in lakes. Classes Caudofoveata Aplacophora Polyplacophora - Chitons Monoplacophora Bivalvia - Bivalves Scaphopoda - Tusk shells Gastropoda - Snails and Slugs Cephalopoda - Squids, Octopuses, etc. ... A larval insect A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... For other uses, see Worm (disambiguation). ... Cooked mussels Shellfish is a term used to describe shelled molluscs and crustaceans used as food. ...


Spawning

The bleak spawns near the shore in shallow waters. Some were found in deep water. The substrate is not important.


Importance

The Bleak is an important food source for predatory fish. It is more sensitive to pollution then other cyprinids, which might explain the decline in North-Western Europe.


Particularities

The scales of the Bleak are used to make a silver pigment called the Essence Orientale and artificial pearls.

The shiny and pearly colors on the head of a Bleak in direct sunlight
The shiny and pearly colors on the head of a Bleak in direct sunlight


Image File history File linksMetadata Size of this preview: 800 × 600 pixels Full resolution (2272 × 1704 pixel, file size: 1. ... Image File history File linksMetadata Size of this preview: 800 × 600 pixels Full resolution (2272 × 1704 pixel, file size: 1. ...


References


  Results from FactBites:
 
However Coyly (1633 words)
Bleak spirited the put-upon artist away in a mad chase by midnight coach that later became the subject of popular tavern songs.
"Bleak Mouse" may be entirely unaware of this, because of his biased obsessions with old movies no one has seen, exploitative tales of teen life, and innuendos concerning the qualifications of academics at our major universities.
Bleak would be better off leaving politics to the politicians, to the tyranny of the majority, to mob rule, to temporary hysterias, and to persons who read books for a living.
  More results at FactBites »


 

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