分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Synbranchiformes (Spiny eels)
合鰓魚目 (Spiny eels) >
Mastacembelidae (Spiny eels)
棘鰍科 (Spiny eels)
Etymology: Macrognathus: Greek, makros = great + Greek, gnathos = jaw (Ref. 45335).
More on author: Roberts.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: Meklong River basin, Thailand.
亞洲: Meklong 河河流域，泰國。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 17.8 cm 雄魚/尚未辨別雌雄; (Ref. 39392)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Concave rostrum bearing 9-11 pairs of tooth plates; coloration very distinctive; 10-12 faint small ocelli along base of dorsal fin; dorsal and anal fins with fine dark striation. Dorsal, anal and caudal fins entirely separate. Rim of anterior nostril with 6 fingerlike projections. Penultimate (enlarged) dorsal fin spine articulating with same vertebra (33-35) as enlarged anal fin spine (Ref. 39392).
凹曲生長著 9-11個對齒板的喙; 顏色非常特殊的; 10-12 模糊的小假眼斑沿著背鰭基底; 背鰭與臀鰭有深色細的條紋。 背鰭、臀鰭與尾鰭完全地分開。 前鼻孔的邊緣 6 手指狀的突出。 連接如增大的臀鰭棘的相同脊椎骨 (33-35) 的倒數第二的 (增大) 背鰭棘.(參考文獻 39392)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: Meklong 河河流域，泰國。
Roberts, T.R., 1986. Systematic review of the Mastacembelidae or spiny eels of Burma and Thailand, with description of two new species of Macrognathus. Jap. J. Ichthyol. 33(2):95-109. (Ref. 39392)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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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=0.00295 (0.00138 - 0.00633), b=2.94 (2.76 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
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 (19 of 100).
