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Sternarchorhynchus axelrodi  de Santana & Vari, 2010

Axelrod’s tube-snouted ghost knifefish
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Image of Sternarchorhynchus axelrodi (Axelrod’s tube-snouted ghost knifefish)
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drawing shows typical fish in this Family.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Gymnotiformes (Knifefishes) > Apteronotidae (Ghost knifefishes)
Etymology: Sternarchorhynchus: Greek, sternon = sternon, + Greek, archos = anus + Greek, rhyngchos = snout (Ref. 45335);  axelrodi: Named for Dr Herbert Axelrod..   More on author: Vari.

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 84053)

Short description Morphology | Morphometrics

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).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Biology     Glossary (e.g. epibenthic)

Inhabits clear water system with the bottom formed by small stones and rocks. Feeds on insects and other aquatic invertebrates (Ref. 84053).

Main reference Upload your references | References | Coordinator : Albert, James S. | Collaborators

de Santana, C. D. and R.P. Vari, 2010. Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies. Zool. J. Linn. Soc. 159:223-371.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Countries
FAO areas
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Ecology
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this BS (Ref. 93245).
Trophic Level (Ref. 69278):  0.0   ±0.0 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100) .