分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers)
鱂形目 (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins)
谷鱂科 (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
生態學
; 淡水 大洋性; pH range: 7.5 - 7.5; 深度上下限 0 - 1 m (Ref. 40197). 熱帶; 20°C - ? (Ref. 40197); 20°N - 18°N
North America: San Juan Tacambaro river, Michoacan, México.
北美洲: 桑河胡安 Tacambaro 河， Michoacan ，墨西哥。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 40197)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 15 - 18; 臀鰭軟條: 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).
52 到 60個鱗片形成一縱列; 頜有兩個不規則的數列強烈地深植兩裂的齒; 在眶前骨分支的側線的孔是寬的而且總是成一直線; 尾柄脊椎骨的前關節突是短的而且不碰觸毗連的後關節突。 (參考文獻 40197)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 桑河胡安 Tacambaro 河， Michoacan ，墨西哥。
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 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
漁業: 沒有興趣
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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).
營養階層 (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
