分類 / 名前
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Cambeva: Probably derived from the Tupi-Guarani, is a popular name for trichomycterid fishes in southern and south-eastern Brazil (Ref. 119381); perobana: Name 'perobana' from 'pero', an allusion to the conservation unit of Parana State named 'Reserva Biológica das Perobas' and '-ana', a feminine Latin suffix meaning 'pertaining to'.
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. Tropical
South America: Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 7.6 cm SL オス/雌雄の選別がない; (Ref. 137457)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 2; 背鰭 (合計) : 7; 肛門の骨: 2; 臀鰭: 5 - 6; 脊つい: 34 - 37. This species is distinguished by the following set of characters: six branched pectoral-fin rays; interopercular odontodes 28-29; vertebrae 34-37; opercular odontodes 13; branchiostegal rays 9; absence of conspicuous papillae on ventral region of head; presence of pelvic girdle and fin; long rictal barbel, 40.0-73.0% of HL; pelvic fins not reaching the urogenital opening; caudal fin truncate to rounded; first pectoral-fin ray not prolonged as a filament; color pattern of the caudal fin, presenting blotches, spots, or a homogeneous dark-brown or gray pattern in the proximal region; presence of a narrow mid-lateral stripe in some specimens; head, 17.2-20.6% of SL; pelvic fins 10.3-16.0%, pectoral fins 7.5-9.8% of SL; color pattern of some specimens, consisting in a dark-gray to dark-brown, becoming lighter towards ventral portion of the body and head, and absence of chromatophores, or some specimens with irregular dark-brown blotches on the inner skin layer, larger than two or three times the diameter of the orbit, sometimes coalescing and forming larger blotches, and an interrupted stripe in the mid-lateral region of the flank, over a plain yellowish to brown background; branchiostegal rays 9 (Ref. 137457).
Body shape (shape guide): elongated; Cross section: oval.
This species is found in streams with sandy, rocky, and pebbly substrates, bordered by marginal vegetation consisting of bushes and grassy banks (Ref. 137457).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Martins, I.C., R.B. dos Reis, B.H.M Stabile and W.J. da Graça, 2024. Iterative taxonomy reveals a new species of Cambeva (Siluriformes: Trichomycteridae) with intraspecific variation from the rio Piquiri and Ivaí basin, upper rio Paraná basin, Brazil. Neotropical Ichthyology 22(3):e230140. (Ref. 137457)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない
用具
特記事項
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00759 (0.00332 - 0.01733), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |