Hypopygus minissimus

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Hypopygus minissimus de Santana & Crampton, 2011

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drawing shows typical species in Hypopomidae.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Hypopomidae (Bluntnose knifefishes)
Etymology: Hypopygus: Greek, hypo = under + Greek, pyge = tail (Ref. 45335);  minissimus: The specific epithet, minissimus, is from the superlative of the Latin minimus (smallest), in reference to the status of this species as the smallest known gymnotiform (Ref. 88778).

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique. Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

South America: Hypopygus minissimus is known only from the upper Orinoco in Venezuela (vicinity of San Fernando de Atabapo, Río Cunucunuma, and Río Sipapo), and from a tributary of the Casiquiare canal in Venezuela (Río Candela) (Ref. 88778).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm TL mâle / non sexé; (Ref. 88778)

Description synthétique Morphologie | Morphométrie

Hypopygus minissimus is diagnosed from congeners by the following combination of characters: the absence of oblique bands (versus presence in all congeners), the absence of scales at midbody (versus presence in all congeners), the absence of the sixth infraorbital bone (versus presence in all congeners except H. hoedemani and H. lepturus), the total number of anal-fin rays (102–113 versus 136–170 in all congeners except H. hoedemani and H. lepturus), and the dorsal rami of the intermittent branch of the anterior lateral line nerve visible as two black parallel lines (versus not visible in H. ortegai) (Ref. 88778).

Biologie     Glossaire (ex. epibenthic)

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Albert, James S. | Collaborateurs

de Santana, C.D. and W.G.R. Crampton, 2011. Phylogenetic interrelationships, taxonomy, and reductive evolution in the Neotropical electric fish genus Hypopygus (Teleostei, Ostariophysi, Gymnotiformes). Zool. J. Linn. Soc. 163:1096-1156. (Ref. 88778)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Données manquantes (DD) ; Date assessed: 31 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00145 - 0.00994), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).