Classificação / Names
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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: known only from the type locality in the headwaters of Caraguatá River, upper Uruguay River drainage.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL macho/indeterminado; (Ref. 36884)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 11 - 13; Espinhos anais: 0; Raios anais moles: 7 - 9. Roundish black marks on the pelvic, dorsal and anal fins; a black band along the distal margin of anal and pelvic fins; a black band along the distal margin of anal and pelvic fins in adult males (band also present but fainter and narrower in juveniles and females); enlarged anal fin with rounded distal profile in adult males; fins brightly colored with orange or red chromatophores in live adult males; reduction of adipose fin, which may be very small or even absent; lateral line complete or at least extending well beyond the 12th scale of series.
In a small river at 650 m altitude.
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Buckup, P.A. and L. Hahn, 2000. Characidium vestigipinne: a new species of Characidiinae (Teleostei, Characiformes) from Southern Brazil. Copeia 2000(1):150-155. (Ref. 36884)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-2)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Nível Trófico (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).