Classificação / Names
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Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Guyana, Bolivia and Brazil.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 2.9 cm SL macho/indeterminado; (Ref. 94659)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
It is distinguished from its similar species Nannostomus nigrotaeniatus by having the following characters: sexual dischormatism not developed, with males and females having red spots on the dorsal, anal and vertral fins and on the base of the caudal lobes (vs. well developed, with males having ruby spots on the dorsal, anal, ventral fins and on the base of the caudal lobes while females having hyaline fins); primary horizontal stripe is narrower and somewhat higher primary horizontal stripe not entirely covering the inferior part of the peduncle and extending onto the basal third or half of the three first lower caudal rays (vs. relatively wide and somewhat lower, covering the lower part of the peduncle and ends on the caudal peduncle or is only a little bit on the caudal fin in N. nigrotaeniatus ); and secondary horizontal stripe somewhat higher, extending to the base of the adipose fin (vs. relatively weakly developed, lower situated and extending to the end of the peduncle in N. nigrotaeniatus). The absence of red stripe between primary and secondary horizontal band also differs this species from another closely related species N. trifasciatus which has one red stripe, but this is only visible in living specimens) (Ref. 94659).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Zarske, A., 2013. Nannostomus nigrotaeniatus spec. nov. - ein neuer Ziersalmler aus Venezuela (Teleostei: Characiformes: Lebiasinidae). Verteb. Zool. 63(2):125-137. (Ref. 94659)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
