Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Poeciliopsis: Greek, poikilos = with a lot of colours + Greek, opsis = appearance (Ref. 45335); santaelena: Named after the Peninsula Santa Elena that contains the Rio Potrero Grande, the only known locality of this new species..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical
Central America: Peninsula Santa Elena, Area de Conservación Guanacaste in Costa Rica.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.7 cm SL maschio/sesso non determinato; (Ref. 78743)
Short description
Morfologia | Morfometria
Raggi dorsali molli (totale): 7; Raggi anali molli: 9; Vertebre: 29 - 30. Diagnostic characters include: color pattern gray above, paler below; cross-hatching conspicuous; no spots, bars or other markings; fins dusky or clear; teeth of outer row slender, pointed, curved and loosely implanted in lips; mouth width less than eye diameter; interorbital width equal to or greater than postorbital distance; gill rakers 14-17 (mode 15); predorsal profile slightly curved; dorsal-fin origin over 6th or 7th anal-fin ray of females; distance between dorsal-fin origin and caudal-fin base 33.0 to 37.5% of SL in females, 36.8 to 42.0% in males; pectoral fin in females reaching to middle of pelvic fin; pectoral fin rays 14 to 16 (mode 15); and caudal-fin rays 15 to 17 (mode 16) (Ref. 78743).
The type locality, Rio Potrero Grande, is a river whose flow is reduced to just a few pools during the long dry season and flows fully only during very rainy season (Ref. 78743). It is characterized by clear water and some algal mats of Cladophora sp. (Ref. 78743). This species occurs in association with Gobiomorus maculatus, Sicydium salvini, Agonostomus monticola and Eleotris picta (Ref. 78743).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Bussing, W.A., 2008. A new species of poeciliied fish, Poeciliopsis santaelena, from Peninsula Santa Elena, Area de Conservación Guanacaste, Costa Rica. Rev. Biol. Trop. 56(2):829-838. (Ref. 78743)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Informazioni ulteriori
Nomi ComuniSinonimiMetabolismoPredatoriEcotossicologiaRiproduzioneMaturitàDeposizioneSpawning aggregationFecundityUovaEgg development
Age/SizeAccrescimentoLength-weightLength-lengthLength-frequenciesMorfometriaMorfologiaLarveDinamica popolazioni larvaliReclutamentoAbbondanzaBRUVS
BibliografiaAcquacolturaProfilo di acquacolturaVarietàGeneticaElectrophoresesEreditarietàMalattieElaborazioneNutrientsMass conversion
CollaboratoriImmaginiStamps, Coins Misc.SuoniCiguateraVelocitàModalità di nuotoArea branchialeOtolithsCervelliVista
Strumenti
Special reports
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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=0.01096 (0.00344 - 0.03497), b=3.08 (2.83 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
