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Hemigrammus lunatus Durbin, 1918

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Image of Hemigrammus lunatus
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drawing shows typical species in Characidae.

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).

Issue
For taxonomic remarks, see Géry (1964: 9-10).

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

; Água doce bentopelágico. Subtropical

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

South America: Amazon, Paraguay, Corantijn and Orinoco River basins.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm TL macho/indeterminado; (Ref. 38376)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Raios dorsais (total) : 11; Raios anais : 26 - 30; Vértebras: 32 - 33. Hemigrammus lunatus is distinguished from most congeners, except from H. barrigonae, H. machadoi and H. ulreyi, by having wide dark horizontal stripe across the eye (vs. eye stripes absent or, when present, vertical in the remaining congeners). It differs also from most congeners, with the exception of H. barrigonae, H. boesemani H. geisleri, H. machadoi, H. mimus, and H. ulreyi, by having well defined narrow dark stripe at the basis of the anal fin (vs. dark stripe at the basis of anal fin absent). It can be readily diagnosed from H. boesemani, H. geisleri, and H. mimus, by having a distinct roundish dark humeral blotch (vs. humeral blotch absent) and by lacking a blotch on caudal peduncle or any distinct patch of pigmentation on caudal fin (vs. blotch on caudal peduncle present in H. boesemaniand H. geisleri, a dark marking present at the basis of each caudal-fin lobe basis in H. mimus). It differs from H. barrigonae and H. ulreyi by lacking a narrow, well-defined longitudinal dark stripe (vs. present), and by lacking a discrete blotch on caudal peduncle (vs. present in H. barrigonae) or a dark pigmentation patch on the basis of anteriormost dorsal-fin rays (vs. present in H. ulreyi). It differs from H. machadoi by having the following characters: a small roundish dark humeral blotch, extending horizontally from fourth through sixth lateral-line scales, and vertically from fourth through fifth scale rows above lateral line (vs. conspicuous, vertically elongated humeral blotch, extending horizontally from second through sixth lateral-line scales, and vertically from third row above lateral line to first row below it); 6-7 gill-rakers on upper branch and 11-12 on lower (vs. 4-5, and 9-10, respectively); the lower number of cusps of inner premaxillary, dentary, and maxillary largest tooth (5 vs. 5-7 cusps, mode 7, in premaxillary and dentary; 1-3 vs. 3-5, mode 5, in maxillary); and 32-33 total vertebrae (vs. 34-35) (Ref. 96864).

Biologia     Glossário (p.ex. epibenthic)

Usually inhabits slow flowing, low-gradient streams and small rivers. Also found in floodplain lakes associated with white-water rivers in central Amazon. An ubiquitous and abundant species in lagoons and riverine habitats across a piedmont/lowland river stretch in río Napo basin in Amazonian Ecuador (Ref. 96864). Maximum length questionable (Ref. 38376).

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Ota, R.P., F.C.T. Lima and C.S. Pavanelli, 2014. A new species of Hemigrammus Gill, 1858 (Characiformes: Characidae) from the rio Madeira and rio Paraguai basins, with a redescription of H. lunatus. Neotrop. Ichthyol. 12(2):265-279. (Ref. 96864)

Status na Lista Vermelha da UICN (Ref. 130435)

  Segura ou pouco preocupante (LC) ; Date assessed: 04 March 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes: Gênero, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: Ir para, procura | World Records Freshwater Fishing | Zoobank | Registro zoológico

Estimates based on models

Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00758 - 0.02756), b=3.15 (2.99 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nível Trófico (Ref. 69278):  3.0   ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).