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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Geophagus: Greek, gea = the earth + Greek, phagein = to eat (Ref. 45335); pirangaensis: Name 'pirangaensis' from the type locality of the new species, Piranga River.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 11.8 cm SL mannelijk / geslacht onbekend; (Ref. 138566)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 14 - 15; Dorsale zachte stralen (totaal) : 10 - 11; Anale stekels: 3; Anale zachte stralen: 7 - 8; Wervels: 28. This species is distinguished from its congeners by the following set of characters: presence of clear, rounded spots in the posterior most dorsal-fin rays of fixed adult specimens; snout 46.22%-52.74% HL; terminal mouth; head 94.08%-101.15% HL; caudal fin with a rounded distal margin; 25 or 26 longitudinal scales in the E0 series; dark and rounded mid-lateral spot of live specimens; 14 or 15 spines on the dorsal fin; small bright spots in the central region of the bluish spots on the caudal fin of living specimens absent; small bluish spots in the opercular region of living specimens; bluish dots on the most anterior soft rays of the anal fin of living specimens absent; denticles on gill rakers of the first branchial arch present; and bluish and longitudinal lines in the basal region of the caudal fin of living specimens absent (Ref.138566).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
This species occurs in backwaters and shallow areas 50-70 m wide, bordered by dense riparian forest and characterized by muddy, sandy, and rocky substrates (Ref. 138566).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Assis, C.E.D., J.A. Dergam, A.F. Cunha, V.N. Machado, T. Hrbek, N.M.D.F. Vicente, V.D. Queiroz and E. Henschel, 2026. A new endemic pearl cichlid of the 'Geophagus' brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil. J. Fish Biol. 1-14. (Ref. 138566)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 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=0.02042 (0.00914 - 0.04559), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
2.4 ±0.1 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |