Adontosternarchus duartei  de Santana & Vari, 2012

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

Actinopterygii (ray-finned fishes) > Gymnotiformes (Knifefishes) > Apteronotidae (Ghost knifefishes)
Etymology: Adontosternarchus: Greek, a = without + Greek, odous = teeth + Greek, sternon = chest + Greek, archos = anus (Ref. 45335);  duartei: Named for Cleber Duarte of INPA who collected the vast majority of the specimens that served as the basis for this description.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; depth range 8 - 22 m (Ref. 91753).   Tropical

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

South America: Rio Purus system in the central portions of the Amazon basin in Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 18.5 cm TL male/unsexed; (Ref. 91753)

Short description Morphology | Morphometrics

Anal soft rays: 162 - 171. Distinguished from other congeners by having the following combination of characters: nearly even brown body pigmentation; presence of an unpigmented, median, longitudinal stripe on the chin and snout; mid-dorsal electroreceptive filament extending to, or one scale beyond, the vertical through the base of the last anal-fin ray; tail depth 7.7-15.2% of CL; caudal length 16.2-24.4% of LEA; pectoral fin hyaline at the base and dark distally; anal fin hyaline at the base and dark distally; 162-171 anal-fin rays; head length 12.1-18.2% of LEA; head depth 10.9-15.8% of LEA; pectoral-fin length 10.6-13.3% of LEA; prepectoral- fin distance 11.6-16.4% of LEA; greatest body depth 15.3-19.3% of LEA (Ref. 91753).

Biology     Glossary (e.g. epibenthic)

Collected from white water in main river and close to beaches along the river margin (Ref. 91753).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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

de Santana, C.D. and R.P. Vari, 2012. New species of Adontosternarchus (Gymnotiformes, Apteronotidae) from the Rio Purus Basin, Brazil. Copeia 2012(3):535-540. (Ref. 91753)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00213 - 0.02147), b=2.98 (2.73 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .