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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Krobia: Vernacular name of different fishes in Surinam (Ref. 45335); xinguensis: The specific name xinguensis is an adjective referring to the river basin where the species occurs.
More on author: Kullander.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: known only from the Xingu river drainage in Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 8.6 cm SL オス/雌雄の選別がない; (Ref. 89398)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 14; 背鰭 (合計) : 8 - 11; 肛門の骨: 3; 臀鰭: 7 - 8; 脊つい: 25 - 26. Can be diagnosed from other congeners by slightly deeper caudal peduncle (17.6-19.6% SL,
vs. 15.6-17.4 % in Krobia itanyi), dark lateral band reaching to end of dorsal-fin base (vs. ending well before in Krobia itanyi), two prominent dark interorbital stripes (vs. faint or obsolete in Krobia itanyi, absent in Krobia guianensis), slightly curved suborbital stripe (vs. straight); presence of dark brown spot anterolaterally on each side of the lower jaw (vs. absence) (Ref. 89398).
Body shape (shape guide): short and / or deep.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Kullander, S., 2012. Krobia xinguensis, a new species of cichlid fish frm the Xingu River drainage in Brazil (Teleostei: Cichlidae). Zootaxa 3197:43-54. (Ref. 89398)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01211 - 0.05983), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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