Scotsman seabream (Polysteganus praeorbitalis) fish species and information / pictures of Scotsman seabream - Polysteganus praeorbitalis

Scotsman seabream (Polysteganus praeorbitalis) fish species information

Scientific Name
Polysteganus praeorbitalis

Common Name
Scotsman seabream

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. Small eye, deep preorbital, steep forehead (Ref. 3198).

Classification

Classified By
G?nther, 1859
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Porgies (Sparidae)

Distribution

Region
Western Indian Ocean
Distribution
Western Indian Ocean: known only from Beira, Mozambique to Algoa Bay, South Africa.
Range
17°S - 28°S

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
20 m
Depth To - meters
100 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 20 - 100 m (Ref. 3198)
Trophic Level
4.5 s.e. 0.80 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
90.0 cm
Common Length
35.0 cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
High vulnerability (65 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated