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) >
Loricariidae (Armored catfishes)
甲鯰科 (Armored catfishes) > Hypoptopomatinae
Etymology: Otothyris: Greek, ous, otis = ear + Greek, thyra, -as/thyris, -idos = a little door (Ref. 45335).
Eponymy: Dr Haroldo Pereira Travassos (1922–1977) was an ichthyologist, a zoologist and a physician at the National Museum of Brazil (1942–1977), becoming Titular Professor of the Federal University of Rio de Janeiro (1969). [...] (Ref. 128868), visit book page.
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. 熱帶
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Atlantic coast of southeastern Brazil.
南美洲: 巴西東南方的大西洋海岸。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 3.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 28152)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 8; 臀鰭軟條: 6. With 16-21 premaxillary and 13-18 dentary teeth on each jaw element; 2 or more series of ventrally downturned odontodes on anteroventral rostral margin; supraoccipital odontode crests short, low, orbit small, diameter less than infraorbital depth; abdomen with 2-3 paired lateral plates; pair of preanal platelets preceded by 2 or more additional platelets, with small naked areas between platelets; unbranched caudal-fin rays banded; large brown blotch on median caudal-fin rays, two dark brown oblique bars on caudal fin.
Body shape (shape guide): elongated.
具有 16-21 上頜骨前的與 13-18個齒骨牙齒在每個頜要素; 2個或更多數列腹地在前腹的嘴邊緣上向下彎曲齒了; 上枕骨齒冠短的﹐低的, 眼窩小的, 直徑少於眶下的深度; 腹部有 2-3個成對的側骨板; 前面有 2個或更多的成對肛門前的小板附加的小板,有小的在小板之間的裸露區; 不分枝的尾鰭鰭條帶; 在中央的尾鰭鰭條上的大的褐色斑塊, 在尾鰭上的二個深褐色的斜紋。
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: 巴西東南方的大西洋海岸。
Garavello, J.C., H.A. Britski and S.A. Schaefer, 1998. Systematics of the genus Otothyris Myers 1927, with comments on geographic distribution (Siluriformes: Loricariidae: Hypoptopomatinae). Am. Mus. Novit. 3222:1-19. (Ref. 28152)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 07 November 2018
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00434 - 0.02202), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.4 ±0.1 se; based on size and trophs of closest relatives
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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