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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: paryagi:Named for Mr. Subhas Chand Paryag, from Georgetown, Guyana (co-collector of the new species and local helper during most of the expeditions in Guyana made by first and second author). Eponymy: Subhas Chand Paryag, from Georgetown, Guyana, was co-collector of the new species. He was a local helper during most of the expeditions in Guyana made by the first and second authors. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range Écologie
Rayons mous dorsaux (Total) : 9; Rayons mous anaux: 11 - 12. This species is a member of the L. breviceps species group given its relative small size, short snout length, bright coloration and relatively low number of scales (LL+C). It can be distinguished from its lowland close relatives (L. agilae, L. xiphidius, L. cladophorus, L. geayi, L. mahdiaensis) by having a deeper caudal peduncle, 14.1-17.3 % of SL (vs. 11.5-13.6 % of SL); from the remaining species in the group by having a rounded caudal fin (vs. spade-shaped in L. breviceps, L. gransabanae, L. torrenticola; lyre-shaped in L. lyricauda). The species' remarkable coloration of red blotches on a turquoise background on the flanks and in all unpaired fins in males (vs. absence of turquoise color and red blotches) is unique within the group (Ref. 92084).
Occurs in the dense vegetation of swamps, under rocks or between logs and leaf litter in cascading mountain creeks, usually in the wet leaf litter adjacent to small streams (Ref. 92084).
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Vermeulen, F.B.M., W.H. Suijker and G.E. Collier, 2012. Laimosemion paryagi (Cyprinodontiformes: Aplocheiloidei: Rivulidae), a new species from the upper Mazaruni river drainage of Western Guyana. aqua, Int. J. Ichthyol. 18(4):181-190. (Ref. 92084)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Trophic ecology Éléments du régime alimentaire Composition du régime alimentaire Consommation alimentaire Food rations Prédateurs
Ecology Écologie
Population dynamics Paramètres de croissance Max. ages / sizes Length-weight rel. Length-length rel. Fréquences de longueurs Mass conversion Recrutement Abondance
Life cycle Reproduction Maturité Maturity/Gills rel. Fécondité Frai Spawning aggregations Œufs Développement de l'œuf Larves Dynamique des populations larvaires
Physiology Body composition Nutrients Consommation d'oxygène Type de nage Vitesse de nage Visual pigments Fish sound Diseases & Parasites Toxicity (LC50s)
Genetics Génétique Heterozygosity Héritabilité
Human related Aquaculture systems Profils d'aquaculture Souches Ciguatera cases Stamps, coins, misc.
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00305 - 0.01429), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).
![Image of Laimosemion paryagi (Paryag\](/images/thumbnails/jpg/tn_Lapar_m0.jpg "Image of Laimosemion paryagi (Paryag\")
![Image of Laimosemion paryagi (Paryag\](/images/thumbnails/jpg/tn_Lapar_f0.jpg "Image of Laimosemion paryagi (Paryag\")