Many-ray cusk (Microbrotula polyactis) fish species and information / pictures of Many-ray cusk - Microbrotula polyactis

Many-ray cusk (Microbrotula polyactis) fish species information

Scientific Name
Microbrotula polyactis

Common Name
Many-ray cusk

Biology
A species of Microbrotula distinguished by the following combination of characters: vertebrae 11?12 + 33?37 = 45?48; pectoral-fin rays 16?17; caudal-fin rays 7?8; lateral scale rows 47?50; dorsal-fin origin above vertebrae 7?8; anal-fin origin below vertebrae 14?15; orbit diameter 16.0?18.7% HL; fleshy interorbital width 20.0?24.4% HL; predorsal length 34.4?39.9% SL.

Classification

Classified By
Anderson, 2005
Class
Ray-finned fishes (Actinopterygii)
Order
Cusk eels (Ophidiiformes)
Family
Viviparous brotulas (Bythitidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Southern Philippines to northern Cape York Peninsula, Australia.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
37 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 0 - 37 m (Ref. 54832)
Trophic Level
3.21 s.e. 0.45 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
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
4.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 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