Classification / Noms
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: parlettei: Named for Casey Parlette, who collected the type specimens.
Eponymy: Casey Parlette (d: 1979) is an American sculptor and jewellery maker and, at heart, a naturalist. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique; pH range: 7.0 - ?. Tropical; 25°C - ?
South America: currently known only from the type locality, a small stream belonging to the río Araza in the vicinity of Vitobamba in Departamento Cusco, south eastern Peru.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 3.8 cm SL mâle / non sexé; (Ref. 88925)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 8 - 9; Rayons mous anaux: 13 - 14; Vertèbres: 30. Males of Rivulus parlettei differs from males of other members of the R. limoncochae group by having irregular interrupted lines of dots wider than the interspaces (vs. longitudinal rows of dots, sometimes coalescing to form stripes narrower than the interspaces), by an inferior lip without distinctive colouration (vs. red inferior lip), a dorsal and anal fin without a dark posterior tip (vs. presence of dark tip), a light blue venter (vs. yellow in R. christinae and white in the remaining species of R. limoncochae group) and a yellowish anal fin with a whitish basal region (vs. yellow with light blue basal region). Females of R. parlettei can be diagnosed from females of the other species of the R. limoncochae by the presence of variable shaped orange spots on body sides (mainly above anal fin) forming oblique bars (vs. absence of spots or spots forming stripes), by a yellow-orange ventral parts of head, venter and caudal peduncle (vs. light blue to light brown) and by having orange to yellow paired fins (vs. yellowish hyaline or hyaline paired fins). This species can be further distinguished by the position of its dorsal-fin origin (dorsal fin origin above base of 7th or 8th of anal-fin ray ( vs. 9th or 12th anal-fin ray in R. christinae, R. erberi, R. iridescens, R. rubrolineatus, and R. taeniatus) (Ref. 88925).
Body shape (shape guide): elongated.
Found in a small forest stream and in an adjacent shallow pool with clear and transparent water and with mud and leaf litter on its ground (Ref. 88925).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Valdesalici, S. and I. Schindler, 2011. Description of a new killifish of the genus Rivulus (Teleostei: Cyprinodontiformes: Rivulidae) from south eastern Peru. Vertebrate Zoology 61(3):313-320. (Ref. 88925)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00366 - 0.02168), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |