分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes)
毛鼻鯰科 (Pencil or parasitic catfishes) > Microcambevinae
Etymology: Microcambeva: Greek, mikros = small + cambeva, a Tupí-Guaraní word = flattened head; ribeirae: Named for its type locality, Ribeira do Iguape.
Eponymy: In the case of the catfish and cichlid, this is a toponym referring to the Rio Ribeira de Iguape, a river basin in Brazil, which is the type locality. [...] (Ref. 128868), visit book page.
More on authors: Costa, Lima & Bizerril.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的. 亞熱帶的
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Rio Ribeira do Iguape basin in southeastern Brazil.
南美洲: 在巴西東南方中的 Rio Ribeira do Iguape 流域。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 53272)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9; 臀鰭軟條: 8; 脊椎骨: 34. Differs from M. barbata in having short nasal barbels reaching just behind posterior nostril; eye positioned on posterior half of head; first pectoral-fin ray shorter than posterior ones, its tip not forming a distinct filament; anal fin origin posterior of vertical through base of last dorsal-fin ray; posteriormost pore of each supraorbital canal united in the midline, composing a single median pore; frontal elongated anteriorly; fontanel not extending anteriorly beyond posteriormost supraorbital pore; anterior portion of sphenotic with a prominent lateral process; anterior palatine ossification absent; posterior process of palatine elongate, about 60% of palatine bony portion without posterior process; and supraorbital bone elongate, about three times as long as lacrimal (Ref. 53272).
Body shape (shape guide): elongated.
有別於 M. barbata 有達到在後鼻孔正後方的短的鼻觸鬚; 眼放置在頭部的後半段上; 第一個胸鰭鰭條短於在後部的一些, 它的頂端不形成一個明顯的絲狀突起; 臀鰭起源後面垂直的經過最後背鰭鰭條的基底; 每個眶上管的最後面孔在中線中聯合了, 構成一個中央的孔; 額骨向前延長; 囟門不前面地延伸超過最後面的眶上孔; 蝶骨的前部具有一個突出的側面突起; 前面的上顎成骨不存在; 上顎延長的在後部突起, 沒有在後部的突起的大約 60% 的上顎多骨的部分; 而且上眼窩骨延長, 大約三倍於長達淚骨.(參考文獻 53272)
描述: 背鰭鰭條 9;(ii,6, i) 臀鰭棘條 8;(iii,4, i) 胸鰭鰭條 7;(i,6) 腹鰭鰭條 5(i,4)(參考文獻 53272)
Occurs in clear, shallow streams (about 60 cm deep), with a gray sandy bottom, where some specimens were found entirely buried, except for snout and barbels (Ref. 53272).
出現於清澈的, 淺的溪流 (大約 60 公分深), 具有一個灰色的沙質底部, 一些標本完全地被發現的埋藏了, 除了吻與觸鬚.(參考文獻 53272)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在巴西東南方中的 Rio Ribeira do Iguape 流域。
Costa, W.J.E.M., S.M.Q. Lima and C.R.S.F. Bizerril, 2004. Microcambeva ribeirae sp. n. (Teleostei: Siluriformes: Trichomycteridae): a new sarcoglanidine catfish from the Rio Ribeira do Iguape basin, southeastern Brazil. Zootaxa 563:1-10. (Ref. 53272)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 18 May 2022
人類使用
漁業: 沒有興趣
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |