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Hemipsilichthys nimius Pereira, Reis, Souza & Lazzarotto, 2003

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Image of Hemipsilichthys nimius
No image available for this species;
drawing shows typical species in Loricariidae.


Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from the state of Rio de Janeiro ( Perequê-Açu and Taquari river basins) (Ref. 50588). Type locality: Rio de Janeiro: Parati: rio Carrasquinho below the Cachoeira do Tobogã, upper Perequê-Açu basin, Penha, ca. 7.5 km west of highway BR 101, on road from Parati to Cunha (Ref. 50588).
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: Pereira, E.H.L., R.E. Reis, P.F.M. Souza and H. Lazzarotto, 2003
National Database:

Common names from other countries

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

> Siluriformes (Catfishes) > Loricariidae (Armored catfishes) > Delturinae
Etymology: Hemipsilichthys: Greek, hemi = half + Greek, psilos = hairless + Greek, ichtys = fish (Ref. 45335);  nimius: From the Latin nimius meaning nimiety, in allusion to the supernumerary rays of the dorsal fin, which has nine branched rays (Ref. 50588).
  More on authors: Pereira, Reis, Souza & Lazzarotto.

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

; пресноводный демерсальный.   High altitude

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

South America: Perequê-Açu and Taquari river basins, southeastern Brazil. Collected in localities between 100 and 370 m above sea level.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 10.5 cm SL самец/пол неопределен; (Ref. 50588)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0; членистые (мягкие) лучи спинного плавника (общее число) : 7 - 9; колючие лучи анального плавника: 0; членистые (мягкие) лучи анального плавника: 6. Eight (rarely 7 or 9) branched rays in the dorsal fin; dorsal-fin membrane expanded posteriorly, connecting proximal half of the last dorsal-fin ray to the dorsum; teeth cusps equal in size (Ref. 50588).

биология     глоссарий (например epibenthic)

Type specimens were collected in small coastal streams flowing through well-preserved Atlantic forest; in localities between 100 and 370 m a.s.l., always in rocky substrate with fast flowing, clear water, under direct sunlight, and depths between 10 and 50 cm. Underwater observations indicate that this species is most active during the night, grazing on the bottom (Ref. 57859).

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

Основная ссылка Upload your references | ссылки | координатор : Fisch-Muller, Sonia | соавторы

Pereira, E.H.L., R.E. Reis, P.F.M. Souza and H. Lazzarotto, 2003. A new species of the loricariid catfish genus Hemipsilichthys from southern Rio de Janeiro coastal rivers, southeastern Brazil. Zootaxa 285:1-10. (Ref. 50588)

Статус Красного Списка МСОП (Ref. 130435)

  Близок к исчезновению (NT) (B2b(iii)); Date assessed: 07 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




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дополнительная информация

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ресурсы в Интернет

Aquatic Commons | BHL | Cloffa | Websites from users | Проверить FishWatcher | CISTI | Catalog of Fishes(род, виды) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(Геном, Нуклеотид) | 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(Вперёд, поиск) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00206 - 0.01463), b=3.12 (2.89 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
устойчивость к внешним воздействиям (Ref. 120179):  высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).