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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 / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce demersale; 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 / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 3.5 cm TL maschio/sesso non determinato; (Ref. 2060); 5.0 cm TL (female)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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
Pesca: commerciale; Acquario: Commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
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).
Trophic level (Fonte Biblio.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec=10-30).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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