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