Chinese sleeper (Perccottus glenii) fish species and information / pictures of Chinese sleeper - Perccottus glenii

Chinese sleeper (Perccottus glenii) fish species information

Scientific Name
Perccottus glenii

Common Name
Chinese sleeper

Biology
Occurs in lentic waters, lakes, ponds, backwaters and marshes with dense underwater vegetation and avoids river stretches with fast and even slow current. Prefers stagnant rivers and bogs. Can tolerate poorly oxygenated water and able to survive in dried out or completely frozen water bodies by digging itself into mud where it hibernates. A voracious predatory fish constituting a most serious threat to aquatic fauna wherever it occurs. In small water bodies; known to extirpate almost all other fish species and amphibian larvae. Spawns for the first time at 1-3 years and about 6.0 cm SL. Spawns several potions of eggs in May to June at 15-20?C. Elongated eggs with sticky filaments usually deposited in one row close to water surface on underwater structures such as ro

Classification

Classified By
Dybowski, 1877
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Freshwater sleepers (Odontobutidae)

Distribution

Region
Europe and Asia
Distribution
Europe and Asia: Far east of Russia, northeast China, and in northern North Korea. Has also been reported from South Korea. At least one country reports adverse ecological impact after introduction.
Range
54°N - 39°N, 106°E - 141°E

Environment

Climate
Temperate
Water Temperature From
15 °C
Water Temperature To
30 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; brackish; demersal
Trophic Level
3.63 s.e. 0.54 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
25.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; aquarium: potential
Vulnerability
Moderate to high vulnerability (51 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)
Threat To Humans
Potential pest
IUCN Red List Status
Not Evaluated