Characidium samurai Zanata & Camelier, 2014
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drawing shows typical species in Crenuchidae.
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drawing shows typical species in Crenuchidae.
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> Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); samurai: Named for the Japanese warrior caste that provided the administrative and fighting aristocracy from the 11th to the 19th centuries. The samurais are known by their expertise in several kinds of martial arts. Currently, expertise in martial art is attested by the term'black belt', a condition inherent to that warrior caste. The name samurai was used herein in allusion to the conspicuous midlateral black band present in the new species. A noun in apposition.
Eponymy: This species is named to honour the Japanese warrior caste of the 11th-19th-centuries, specifically for their expertise in martial arts, attested today by the term ‘black belt’, referring to the conspicuous midlateral black band that this species sports. (Ref. 128868), visit book page.
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); samurai: Named for the Japanese warrior caste that provided the administrative and fighting aristocracy from the 11th to the 19th centuries. The samurais are known by their expertise in several kinds of martial arts. Currently, expertise in martial art is attested by the term'black belt', a condition inherent to that warrior caste. The name samurai was used herein in allusion to the conspicuous midlateral black band present in the new species. A noun in apposition.
Eponymy: This species is named to honour the Japanese warrior caste of the 11th-19th-centuries, specifically for their expertise in martial arts, attested today by the term ‘black belt’, referring to the conspicuous midlateral black band that this species sports. (Ref. 128868), visit book page.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição Ecologia
; Água doce bentopelágico; intervalo de profundidade 1 - 2 m (Ref. 96872). Tropical
Distribuição Territórios | Áreas da FAO | Ecossistemas | Ocorrências | Mapa de pontos | Introduções | Faunafri
Sout America: Rio das Almas and rio Vermelho basins in eastern Brazil.
Tamanho / Peso / Idade
Descrição suscinta Chaves de identificação | Morfologia | Morfometria
Raios dorsais (total) : 11 - 12; Raios anais : 9 - 10; Vértebras: 34 - 35. Characidium samurai is distinguished from all its congeners, except C. lanei Travassos, by having a dark lateral band along the head and body that is particularly broad (1.5 or 2 scales wide) from the rear of head to the end of the caudal peduncle and by the absence of dark bars or blotches on the ventral half of the body. It can be diagnosed from C. lanei by having the lateral band with straight borders overall (vs. lateral band with somewhat irregular borders due to blotches slightly extending dorsally or ventrally), anal fin ii,7-8 (vs. ii,6), 4 horizontal scale rows above the lateral line and 4 below (vs. 5/3), and lacking dark pigmentation around the insertion of the dorsal-fin rays (vs. presence). It further differs from congeners that occur in Brazilian rivers by having a complete lateral line, isthmus completely covered by scales, 14 scales around the caudal peduncle, and presence of adipose fin. It can be further distinguished from congeners by the absence of dark bars or spots on the fins, except for a faded dorsal-fin bar and anal-fin rays ii,7-8. It differs from congeners from northeastern Brazilian rivers by having the following characters: aperture of the pseudotympanum enclosed between ribs of the fifth and sixth vertebrae; presence of the parietal branch of the supraorbital canal; two series of teeth on the dentary; and 7-11 premaxillary teeth; 7-8 branched anal-fin rays; 34-37 lateral-line scales; one faded dark bar on the proximal half of the dorsal-fin rays; absence of a blotch on the caudal peduncle, or blotch merged to the longitudinal bar; and ii,7-8 anal-fin rays (Ref. 96872).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Found in clear water streams with water running over rocks, pebbles, sand and/or muddy bottoms, at altitudes ranging from 17 to 177 m a.s.l. in habitats characterized mainly by moderate water current. The type locality where most specimens were collected has a width of about 2 m, deep of 1-2 m, medium to fast water currrent, muddy substrate and grassy river borders (Ref. 96872).
Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Referência principal
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Zanata, A.M. and P. Camelier, 2014. A new species of Characidium (Characiformes: Crenuchidae) from small coastal drainages in northeastern Brazil, with remarks on the pseudotympanum of some species of the genus. Neotrop. Ichthyol. 12(2):333-342. (Ref. 96872)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Segura ou pouco preocupante (LC) ; Date assessed: 07 November 2018
CITES
Not Evaluated
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
FAO - Publication: search | FishSource |
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Ecologia Trófica
Itens alimentares (presas)
Composição da dieta
Consumo alimentar
Rações alimentares
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Itens alimentares (presas)
Composição da dieta
Consumo alimentar
Rações alimentares
Predadores
Dinâmica populacional
Parâmetros de crescimento
Idade máxima / tamanhos
Relação comprimento-peso.
Relação comprimento-comprimento.
Frequências de comprimento
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Relação comprimento-peso.
Relação comprimento-comprimento.
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Dinâmica larval
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Relacionado a humanos
Sistemas de aquicultura
Perfis para aquacultura
Estirpes
Casos de Ciguatera
Selos, moedas, diversos.
Sistemas de aquicultura
Perfis para aquacultura
Estirpes
Casos de Ciguatera
Selos, moedas, diversos.
Ferramentas
Livro eletrônico | Guia de campo | Ferramenta auxiliar de frequências de comprimento | Ferramenta sobre a história de vida | Mapa de pontos |
Catch-MSY |
Relatórios especiais
Checar Manutenção em Aquário | Checar Planilhas de Fatos sobre as Espécies | Checar Planilhas de Fatos sobre Aquicultura
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Fontes da internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes: Gênero, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Árvore da vida | Wikipedia: Ir para, procura | World Records Freshwater Fishing | Zoobank | Registro zoológico
Estimativas baseadas em modelos
|
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
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Nível Trófico (Ref. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
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Vulnerabilidade da pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |