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Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa
> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Fluviphylacidae (American lampeyes)
Etymology: Fluviphylax:Latin, fluvius = river + Greek,phylax, -akos = guardian (Ref. 45335); gouldingi:Named for the American ichthyologist Michael Goulding. Eponymy: Dr Michael Goulding (d: 1950) is a conservation ecologist and scientist at the University of Florida and with the Amazon Conservation Alliance with which he has worked for over 30 years. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / intervalo de profundidade / distribution range Ecologia
; Água doce bentopelágico; intervalo de profundidade 0 - 1 m (Ref. 123788). Tropical
Maturidade: Lm? range ? - ? cm Max length : 1.4 cm SL macho/indeterminado; (Ref. 123788); 1.4 cm SL (female)
Descrição breve Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 5 - 6; Raios anais moles: 7 - 8; Vértebras: 27 - 28. This species is distinguished from its congeners by having a sharp ventral process on the opercle (vs. absent); subopercle narrow (vs. wide); interopercle narrow (vs. wide); filamentous second pelvic-fin ray (vs. not filamentous); all cephalic lateral line system opened in males and females (vs. closed); no mesethemoid (vs. present); presence of an orange bright blotch on the preorbital region of both males and females (vs. absent); similar to F. wallacei and differs from all other congeners by having a slender retroarticular (vs. deep); opercle triangular-shaped (vs. scale-shaped); males with an orange colouration on the posterior region of the pectoral fin (vs. hyaline); head neuromasts not placed inside shallow groves (vs. in shallow grooves). Other characters not unique but useful to identify tis species include: second and fourth pharyngobranchial tooth plates not enlarged (vs. enlarged); no teeth on second pharyngobranchial plate (vs. present); ventral process of posttemporal short (vs. long); with rostral cartilage (vs. absent); anterodorsal process of opercle non-existent (vs. present); an elongate and pointed anal fin reaching vertical to dorsal-fin tip (vs. short and rounded) (Ref. 123788).
Collected close to the deadwood in a shallow, slow flowing, high transparency black-water stream, about 30-50 cm deep with dense vegetation. In the small stream they were found in small shoals of about 3-5 individuals swimming near the surface, while in the Lago Tiburiari this species formed larger shoals of about 20 individuals. Found sympatrically was the miniature scoloplacid, Scoloplax dolicholophia (Ref. 123788),
Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Bragança, P.H.N., 2018. Fluviphylax gouldingi and F. wallacei, two new miniature killifishes from the middle and upper Rio Negro drainage, Brazilian Amazon (Teleostei, Cyprinodontiformes, Cyprinodontoidei). Spixiana (München) 41(1):133-146. [German translation appeared in DKG-Journal, 52(1):Feb. 2020:1-18.] (Ref. 123788)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
Ecologia Trófica Food items (preys) Composição da dieta Consumo alimentar Food rations Predadores
Ecologia Ecologia
Home ranges
Population dynamics Parâmetros de crescimento Max. ages / sizes Length-weight rel. Length-length rel. Frequência de comprimento Mass conversion Recrutamento Abundância
Life cycle Reprodução Maturidade Maturity/Gills rel. Fecundidade Desova Spawning aggregations Ovos Desenvolvimento dos ovos Larvas Dinâmica larvar
Physiology Body composition Nutrients Consumo de oxigénio Tipo de natação Velocidade de natação Visual pigments Fish sound Diseases & Parasites Toxicity (LC50s)
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00207 - 0.01392), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100). 🛈
