Classificação / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Characinae
Etymology: Phenacogaster: Greek, phenax, -akos = deceptive + Greek, gaster = stomach (Ref. 45335); yari: Named for its type locality, Yarí River.
Environment: milieu / climate zone / intervalo de profundidade / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Colombia.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 2.8 cm SL macho/indeterminado; (Ref. 132565)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 8 - 9; Raios anais moles: 29 - 32; Vértebras: 34. This species is distinguished by the following characters: lateral line incomplete; relative posterior position of the humeral spot, its posterior margin at a vertical with the dorsal-fin origin, its anterior margin located between the fourth or fifth rib, and its posterior margin at the eighth rib posterior to the pseudotympanum; differs from P. tegatus by having a longer pre-ventral distance, 38.9-47.0% SL, 42.0% on average (vs. 28.6-38.9% SL, 37.0% on average), longer caudal peduncle, 7.8-11.5% SL, 9.7% on average (vs. 4.7-7.8% SL, 6.0% on average), larger orbit diameter, 27.8-43.8% HL, 36.7% on average (vs. 22.9-26.5% HL, 24.5% on average); differs from P. nukak by having a lower number of perforated scales in the lateral line 6-7 (vs. 8-11), circumpeduncular scales 10 (vs. 11-12), anal-fin rays 29-32 (vs. 32-34), pectoral fin rays 10-11 (vs. 12-14); presence of bony hooks on the pelvic-fin rays of males; absence of hooks on the pectoral-fin rays of males; caudal vertebrae 20 vertebrae (Ref. 132565).
Cross section: compressed.
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Romero-Figueroa, A. and T.P. Carvalho, 2024. Four new species of Phenacogaster (Characiformes: Characidae) and a review of its diversity in Colombia. Ichthyol. Herpetol. 112(4):619-644. (Ref. 132565)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
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].
Nível Trófico (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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