Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Gymnotiformes (Knifefishes) >
Hypopomidae (Bluntnose knifefishes)
Etymology: Microsternarchus: Greek, mikros = small + Greek, sternon = breast + Greek, archos = anus (Ref. 45335); schonmanni: Name 'schonmanni' in honor of Joseph Allois Schönmann for his contribution to the Museu Paraense Emilio Goeldi (MPEG).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.3 cm male/unsexed; (Ref. 133454)
Short description
Identification keys | Morphology | Morphometrics
Anal soft rays: 164 - 192. This species is distinguished from its congeners by the following set of characters: caudal filament 32.1 38.7% TL; mouth 21.0-24.9% HL; eye 11.5-14.8% HL with interorbital distance 19.8-23.4% HL; distance from snout to posterior naris 21.5-27.5% HL; snout 25.0-29.6% HL; A 164-192; wide, rounded maxilla (Ref. 133454).
Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cox Fernandes, C., R.M. Keeffe and C.E. Pinilla, 2024. Microsternarchus schonmanni, a new species of weakly electric fish (Gymnotiformes: Hypopomidae, Microsternarchini) from the Mamoré-Guaporé River Basin, Brazil. Proceedings of the Academy of Natural Sciences of Philadelphia 168(1):237-250. (Ref. 133454)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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