Chinese swordfish (Psephurus gladius) fish species and information / pictures of Chinese swordfish - Psephurus gladius

Chinese swordfish (Psephurus gladius) fish species information

Scientific Name
Psephurus gladius

Common Name
Chinese swordfish

Biology
Head very long, snout extraordinarily long, pointed and paddle-like and base broad; mouth very large.

Classification

Classified By
Martens, 1862
Class
Ray-finned fishes (Actinopterygii)
Order
Sturgeons and Paddlefishes (Acipenseriformes)
Family
Paddlefishes (Polyodontidae)

Distribution

Region
Asia
Distribution
Asia: China, endemic to the Yangtze River and its tributaries. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal; potamodromous (Ref. 51243)
Trophic Level
4.15 s.e. 0.73 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
300 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.2500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
Very high vulnerability (87 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (tm=5-15)
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (A2cd;C2a(i);D)