Axelrod?s tube-snouted ghost knifefish (Sternarchorhynchus axelrodi) fish species and information / pictures of Axelrod?s tube-snouted ghost knifefish - Sternarchorhynchus axelrodi

Axelrod?s tube-snouted ghost knifefish (Sternarchorhynchus axelrodi) fish species information

Scientific Name
Sternarchorhynchus axelrodi

Common Name
Axelrod?s tube-snouted ghost knifefish

Biology
This species is distinguished from its congeners by the following set of characters: a short gape that terminates posteriorly at, or slightly short of, the vertical through the anterior nares; no scales along the mid-dorsal region of the body as far posteriorly as the origin of the electroreceptive filament; anal-fin rays 200-217 (Ref. 84053).

Classification

Classified By
de Santana & Vari, 2010
Class
Ray-finned fishes (Actinopterygii)
Order
Knifefishes (Gymnotiformes)
Family
Ghost knifefishes (Apteronotidae)

Distribution

Region
South America
Distribution
South America: Brazil, Amazon Basin, Rio Tocantins (upper and lower portions of that river system).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; benthopelagic
Trophic Level
s.e. 0.00 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
60.0 cm
Common Length
Unknown 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
Unknown
Vulnerability
Low to moderate vulnerability (28 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated