分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
麗魚科 (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶; 21°C - 24°C (Ref. 2060)
South America: Brazil and Uruguay.
南美洲: 在巴西與烏拉圭的 Laguna dos Patos 與小湖 Mirim 流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 36377)
Spawns on the bottom. A male will spawn with more than one female if there is more than one ripe female around. If not, he is satisfied to spawn with one partner and to stay with one female forever (Ref. 12251). Maximum length 25 cm TL (Ref. 2060).
产卵于底部。 如果在附近有超过成熟的母鱼,一只雄鱼将与超过一个母鱼交配。 如果不,他被满意与一交配伴侣与停留永远地有一母鱼.(参考文献 12251) 最大的长度 25 公分TL.(参考文献 2060)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Eggs are deposited on substrate and covered with sand; female protects clutch and takes larvae into the mouth after hatching; larvophile mouth brooder. This corrects previous information from Ref. 2060.南美洲: 在巴西與烏拉圭的 Laguna dos Patos 與小湖 Mirim 流域。
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
人类利用
水族馆: 商业性
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参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.00849 - 0.04084), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).