分類 / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Loricariinae
Etymology: Ixinandria: Greek, ixine, -es, ixia = varicose veins + Greek, andria, -on = a little man; It could be understood as a man with sordid aspect, derived from Greek, ixos, -ou..
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Subtropical
South America: Upper río Juramento basin, río Salado drainage in Salta (Argentina), upper río Bermejo in northwestern Argentina and southern Bolivia, and upper río Pilcomayo in southern Bolivia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 11.3 cm SL オス/雌雄の選別がない; (Ref. 86762)
簡単な記述
形態学 | 形態計測学
Distinguished from most loricariines by total absence of abdominal plates, including the preanal plate. Members of Hartiella and a few species of Harttia also have the abdomen completely devoid of plates, and can be separated from species of Ixinandria by having 12 branched caudal-fin rays (vs. 10 in Ixinandria) and by the absence of postorbital notch, which is present in members of Ixinandria. Members of Crossoloricaria, Spatuloricaria, and Loricaria sometimes lack a preanal plate, but have small abdominal plates. Some species of Rineloricaria have a naked abdomen, but a preanal plate is always present, except in Rineloricaria setepovos which can be diagnosed from other loricariines by the shapes and number of premaxillary teeth. Ixinandria possesses wide and almost symmetrical tooth cusps, and up to 18 teeth in each premaxilla (vs. premaxilla with up to 13 narrow and clearly asymmetrical teeth in other loricariines, except Rineloricaria aequalicuspis which has up to 15 narrow teeth with nearly symmetrical cusps, and some hartiini, which also have many asymmetrical premaxillary teeth) (Ref. 86762).
This species is found in fast flowing waters between 15 and 65 cm depth, especially in places with filamentous algae, in mountainous areas at altitudes ranging from around 200 to 2900 meters above sea level. During the day, it occurs in fast flowing and highly oxygenated waters, with stony bottom, usually hiding under the stones (Ref. 86762).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Rodriguez, M.S., C.A. Cramer, S.L. Bonatto and R.E. Reis, 2008. Taxonomy of Ixinandria Isbrücker & Nijssen (Loricariidae: Loricariinae) based on morphological and molecular data. Neotrop. Ichthyol. 6(3):367-378. (Ref. 86762)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00159 - 0.00757), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.6 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
