Pale spotfin croaker (Johnius glaucus) fish species and information / pictures of Pale spotfin croaker - Johnius glaucus

Pale spotfin croaker (Johnius glaucus) fish species information

Scientific Name
Johnius glaucus

Common Name
Pale spotfin croaker

Biology
Found in shallow muddy coastal waters. Marketed fresh and dried salted.

Classification

Classified By
Day, 1876
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Drums or croakers (Sciaenidae)

Distribution

Region
Western Indian Ocean
Distribution
Western Indian Ocean: northwest coast of India. Reported from Pakistan (Ref. 2872).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
30 m
Zone
demersal
Environment
Marine; demersal; depth range ? - 30 m (Ref. 3490)
Trophic Level
3.3 s.e. 0.40 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
30.0 cm
Common Length
20.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
Low vulnerability (25 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated