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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 / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bottenlevande; 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.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 3.5 cm TL hane/ej könsbestämd; (Ref. 2060); 5.0 cm TL (female)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (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).
Trofisk nivå (Ref.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec=10-30).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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