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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins) > Goodeinae
Etymology: Girardinichthys: From Charles Girard, assistant of Agassiz (1846-1848) + Greek, ichthys = fish.
Eponymy: Dr Charles Frédéric Girard (1822–1895) was a French herpetologist and ichthyologist who was Louis Agassiz’s pupil and assistant at Neuchâtel and who moved with Agassiz to the USA. [...] (Ref. 128868), visit book page.
More on author: Meek.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water demersaal; pH range: 6.0 - 7.5; dH range: ? - 15. Temperate; 12°C - 20°C (Ref. 2060); 21°N - 19°N
North America: upper Rio Lerma and Zempoala lagoon in Morelos, Mexico.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 3.5 cm TL mannelijk / geslacht onbekend; (Ref. 2060); 5.0 cm TL (female)
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Gestation lasts for about 55 days. A female produces 10 to 20, rarely 30, young.
Wischnath, L., 1993. Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p. (Ref. 26130)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00462 - 0.03130), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=10-30).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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