分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stevardiinae
Etymology: Creagrutus: Greek, kreagreytos, -os, -on = to tear, to rip up the flesh (Ref. 45335).
More on authors: Vari & Lima.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Rio Uaupés basin in Brazil.
南美洲: 在巴西的 Rio Uaupes 流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 52414)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 10; 臀鰭軟條: 14 - 15; 脊椎骨: 39 - 41. It differs from Creagrutus amoenus and Creagrutus kunturus in its lack of the series of dark midlateral spots on the body that progressively coalesce ontogenetically to sometimes form a midlateral stripe in adults of the latter two species and in the distance from the snout to the anal fin origin (27.2-30.7 vs 33.8-38.8 and 30.8-34.0, respectively), distance from the snout to the pelvic fin insertion (22.2-25.6 vs 29.0-35.6 and 27.9-31.6, respectively), and the caudal peduncle depth (8.9-9.8 vs. 12.2-13.8 and 11.1-12.1, respectively). It further differs from Creagrutus amoenus in the number of vertebrae (39-41 with 39 in four specimens and 40 or 41 in 10 specimens vs 35-39 with 36-38 in 34 specimens and 39 in only one of 36 radiographed specimens, respectively, and from Creagrutus kunturus in the number of median predorsal scales (9 or 10 vs 12, respectively).
它有別於 Creagrutus amoenus 與 在它的 Creagrutus kunturus 沒有成列的深色側面中央的斑點在漸進地個體發生地合併有時後者形成一個側面中央的斑紋當成魚時二個種的身體上與在遙遠之處從吻部到臀鰭起源 (27.2-30.7 相對 33.8-38.8 與 30.8-34.0, 分別地), 來自吻部到腹鰭嵌入 (22.2-25.6 相對 29.0-35.6 與 27.9-31.6, 分別地) 的距離 , 與尾梗深度.(8.9-9.8 vs.12.2-13.8 與 11.1-12.1, 分別地) 它進一步在脊椎骨的數字中有別於 Creagrutus amoenus(39-41 具有 39 在四件標本與 40 或 41/10 的標本中相對 35-39 具有 36-38/34 的標本與 39 在 36件被拍 X 光線照片的標本的只有一個中, 分別地, 與從 Creagrutus kunturus 在中央前背的鱗片的數字中.(9 或 10 相對 12, 分別地)
Occurs along the edge of a large pool immediately below a small fall preceded upstream by a long series of rapids and in a clear water stream with sandy bottom (Ref. 52414). Observed swimming close to the substrate in small schools of four to six fish (Ref. 52414). Feeds on benthic aquatic insect larvae (Ref. 52414).
生存沿著大水池的邊緣緊鄰向上游被一個長的成列急流之前的小的秋天下方與在一個清澈的水域水流中且底部為沙地的地方.(參考文獻 52414) 觀察游泳接近四到六個魚被形成小群魚群的底部。 (參考文獻 52414) 吃底棲的水生昆蟲幼生。 (參考文獻 52414)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在巴西的 Rio Uaupes 流域。
Vari, R.P. and F.C.T. Lima, 2003. New species of Creagrutus (Teleostei: Characiformes: Characidae) from the Rio Uaupés basin, Brazil. Copeia 2003(3):583-587. (Ref. 52414)
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更多資訊
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年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.40 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
