Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the rainforest streams in the lower Rio Anapu in the Floresta Nacional de Caxiuanã, lower Amazon basin, Pará (Ref. 93869).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Peixoto, L.A.W., G.M. Dutra, C.D. de Santana and W.B. Wosiacki, 2013
National Database:

Common names from other countries

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Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Hypopomidae (Bluntnose knifefishes)
Etymology: Hypopygus: Greek, hypo = under + Greek, pyge = tail (Ref. 45335); benoneae: Named for Naraiana Benone who collected the majority of the specimens that served as the basis for the description..

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

; пресноводный донно-пелагический; пределы глубины 1 - 1 m (Ref. 93869). Tropical

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South America: lower Rio Anapu, lower Amazon basin in Brazil.

Size / Вес / Возраст

Maturity: L_m ? range ? - ? cm
Max length : 9.2 cm TL самец/пол неопределен; (Ref. 93869)

Краткое описание определительные ключи | морфология | морфометрия

членистые (мягкие) лучи анального плавника: 115 - 134. Diagnosed by the following combination of characters: sixth infraorbital bone absent; 115-134 anal-fin rays; 11-13 pectoral-fin rays; head length 13.7-20.2% of LEA (length to the end of the anal fin); interocular width 26.1-34.5% of HL; caudal filament depth 1.8-6.8% of CFL (caudal filament length; extrascapular canal absent; fourth and fifth mandibular canal absent; 15-16 precaudal vertebrae; 2 transitional precaudal vertebrae; second basibranchial ossified; anterior-most branchiostegal ray absent; second and third mandibular canal present; supraorbital canal present; sixth infraorbital canal absent; 4-6 scales above the lateral line; 5-7 scales below the lateral line; dark oblique bands on the lateral surface of the body present; scales along the middorsal surface of the body present; caudal filament length, 21.2-37.7% of LEA; head depth at the eye, 44.0-62.8% HL; dorsal rami of intermittent branch of anterior lateral line nerve visible as two parallel lines; and pectoral-fin length 45.2-59.3% of HL (Ref. 93869).

Inhabits rainforest streams in shallow areas along the margins (0.6-0.9 m deep and 2.5-18.8 m width) with substrate composed of submerged root-tangle and rafts with leaf litter. Occurs syntopically with Hypopygus lepturus in the Rio Anapu (Ref. 93869).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Основная ссылка Upload your references | ссылки | координатор : Albert, James S. | соавторы

Peixoto, L.A.W., G.M. Dutra, C.D. de Santana and W.B. Wosiacki, 2013. A new species of the elecric fish genus Hypopygus (Gymnotiformes: Hypopomidae) from the Lower Amazon Basin, Brazil. Copeia 2013(2):232-237. (Ref. 93869)

Статус Красного Списка МСОП (Ref. 130435)

Не вызывающий беспокойства (LC) ; Date assessed: 07 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

Harmless

Использование человеком

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дополнительная информация

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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).

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).

Hypopygus benoneae Peixoto, Dutra, de, Santana & Wosicki, 2013