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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins) > Goodeinae
Etymology: Ilyodon: Greek, ilyos, -ou = cave + Greek, odous = teeth (Ref. 45335).
Eponymy: Maria Teresa Cortés was a Mexican ichthyologist. The etymology says: “This species is named after Maria Teresa Cortés, who played an important role in the developement of the Mexican Ichthyology.” (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten pelagiska; pH range: 7.5 - 7.5; djupintervall 0 - 1 m (Ref. 40197). Tropical; 20°C - ? (Ref. 40197); 20°N - 18°N
North America: San Juan Tacambaro river, Michoacan, México.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm SL hane/ej könsbestämd; (Ref. 40197)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 15 - 18; Mjukstrålar i analfenan: 11 - 13. 52 to 60 scales in a longitudinal series; jaw with two irregular series of strongly implanted bifid teeth; the pores of the lateral line in the preorbital branch are wide and always in a straight line; the prezygapophyses of caudal peduncle vertebrae are short and do not touch the adjacent postzygapophyses (Ref. 40197).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Paulo-Maya, J. and P. Trujillo-Jiménez, 2000. Nueva especie de Ilyodon (Cyprinodontiformes: Goodeidae) de la cuenca del rio Balsas, México. Rev. Biol. Trop. 48(2/3):465-472. (Ref. 40197)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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): 2.0 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).