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 底中水層性. 熱帶
Asia: Mekong, Chao Phraya and Meklong basins.
亞洲: 湄公河，湄南河與 Meklong 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 19.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 27732)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 28 - 32; 背的軟條 (總數) : 46 - 58; 臀鰭軟條: 53 - 65; 脊椎骨: 71 - 75. A series of 8-10 roundish dark marks along the base of the soft dorsal fin, some or all of which are continuous with vertical bars on the posterior part of the body (Ref. 27732). Predorsal vertebrae usually only 4-5 (6 in a single specimen); rostral tooth plates absent; rim of anterior tubular nostril with 4 nearly equal digitiform processes (or 2 fimbriae and 2 fimbrules); dorsal, anal and caudal fins confluent; caudal fin pointed posteriorly (not truncate or round, typically with 5/5 or 6/6 rays; total caudal fin rays 10-13) (Ref. 39392).
一系列的 8-10個圓的深色印記沿著軟背鰭的基底, 一些或者所有那是在身體的後面的部份上與縱帶續接在一起.(參考文獻 27732) 前背的脊椎骨通常只有 4-5;(6 在一件標本中) 嘴的齒板不存在; 前面管狀的鼻孔的邊緣有四個幾乎相等的 digitiform 突起;(或 2個毛緣與 2 fimbrules) 背鰭、臀鰭與尾鰭匯合的; 尾鰭朝向後面 (不是截形或圓,典型地 5/5 或 6/6個鰭條; 總尾鰭鰭條 10-13).(參考文獻 39392)
A burrower (Ref. 39392).
一個掘穴者.(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: 湄公河，湄南河與 Meklong 河流域。
Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 15 March 2011
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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 (13 of 100).
