Broadbanded thornyhead (Sebastolobus macrochir) fish species and information / pictures of Broadbanded thornyhead - Sebastolobus macrochir

Broadbanded thornyhead (Sebastolobus macrochir) fish species information

Scientific Name
Sebastolobus macrochir

Common Name
Broadbanded thornyhead

Biology
Occurs in places with the steepest downthrow and sharp bends of sea bottom often in the places of the slope surrounded by large depths (the steep bottom relief causes vertical turbulent currents that provide the accumulation of food items) (Ref. 26289). Oviparous (Ref. 205). Eggs are extruded in floating gelatinous masses (Ref. 52092).

Classification

Classified By
G?nther, 1877
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Rockfishes, rockcods and thornyheads (Sebastidae)

Distribution

Region
North Pacific
Distribution
North Pacific: Sagami Bay, Japan to the southern Kuril Islands and off Sakhalin, Russia.
Range
55°N - 35°N

Environment

Climate
Temperate
Water Temperature From
2 °C
Water Temperature To
4 °C
Depth From - meters
100 m
Depth To - meters
1504 m
Zone
demersal
Environment
Marine; demersal; depth range 100 - 1504 m (Ref. 50550)
Trophic Level
3.28 s.e. 0.52 Based on diet studies.
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
44.0 cm
Common Length
26.4 cm
Phylogenetic Diversity Index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
High to very high vulnerability (70 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