分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Sisoridae (Sisorid catfishes)
吸口鯰科 (Sisorid catfishes) > Sisorinae
Etymology: ornata: From the bold spots on the caudal peduncle and the dorsal-fin base..
More on authors: Roberts & Ferraris.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Bangladesh.
亞洲: 孟加拉。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 40780)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 1; 背的軟條 (總數): 7; 脊椎骨: 35 - 36. Semicircular spot on the middle of caudal-fin base, about equal to eye diameter; dark spot extending across bases of second through fifth branched dorsal-fin rays. Anal fin with 4-5 simple rays, 8-9 branched rays, total 12-14 rays. Eye relatively large, its diameter about equal to snout length. Nasal barbel extends just past posterior margin of orbit; maxillary barbel with broad membrane, barbel reaches anal-fin origin (Ref. 40780).
在尾鰭基底的中央上的半圓的斑點,大約等於眼直徑; 深色的斑點經過第五個分枝的背鰭鰭條越過第二個的基底延伸。 臀鰭有 4-5 單一的鰭條, 8-9個分支條, 總 12-14個鰭條。 眼相當大的, 它的直徑大約等於吻的長度。 鼻骨觸鬚越過眼窩的後緣正好延伸; 上頜骨觸鬚有寬的薄膜, 觸鬚達成臀鰭起源。 (參考文獻 40780)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 孟加拉。
Roberts, T.R. and C.J. Ferraris Jr., 1998. Review of South Asian sisorid catfish genera Gagata and Nangra, with descriptions of a new genus and five new species. Proc. Calif. Acad. Sci. 50(14):315-345. (Ref. 40780)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00307 - 0.01489), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).