Littlescale threadfin (Polydactylus oligodon) fish species and information / pictures of Littlescale threadfin - Polydactylus oligodon

Littlescale threadfin (Polydactylus oligodon) fish species information

Scientific Name
Polydactylus oligodon

Common Name
Littlescale threadfin

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 13

Classification

Classified By
G?nther, 1860
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Threadfins (Polynemidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: southern Florida to Santos, Brazil. Not occurring in the Gulf of Mexico and western Caribbean Sea.
Range
29°N - 25°S, 81°W - 34°W

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Marine; brackish; demersal
Trophic Level
3.67 s.e. 0.62 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
46.0 cm
Common Length
25.0 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: minor commercial
Vulnerability
Low to moderate vulnerability (27 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