分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (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.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: known only from the Xingu river drainage in Brazil.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 89398)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 14; 背的軟條 (總數) : 8 - 11; 臀棘: 3; 臀鰭軟條: 7 - 8; 脊椎骨: 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).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01189 - 0.06092), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
