分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); psiloetron: Derived from the Greek psilos (naked or bare) and etron (belly), in reference to the scaleless belly with scaled pelvic fin area.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: Kayan and Mahakam River basins in Kalimantan Timur, and Kapuas River basin in Kalimantan Barat, Indonesia.
亞洲: 在加里曼丹 Timur 的肯雅與馬哈甘河流域, 與在加里曼丹 Barat ，印尼的卡普阿斯河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 57871)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 8 - 9; 臀鰭軟條: 5; 脊椎骨: 31 - 33. Can be distinguished from other species of the genus by possessing the following unique combination of characters: large specimens: a plain brown, grey or black body when preserved, dark brown or black in life, head dorsum plain brown; sub-adult or juveniles: black or dark brown body with up to 9 cream bars, side with complete or interrupted bars forming blotches, head dark brown with thin cream reticulate pattern; absence of secondary rostrum; absence of a post-oral pouch; absence of subopercular groove; gill slit lunate; presence of sublacrymal groove; a rounded snout when viewed dorsally; abdomen partially covered with fine scales only between the pelvic fin base; lateral line scales 59-60; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
能被藉由持有下列的獨特組合特徵與其他種本屬區分: 大的標本: 一個全褐色的﹐灰色的或黑色的身體在保存狀態下, 深褐色或黑色的活著時, 頭部背面全褐色的; 亞成魚或稚魚: 黑色或深褐色的身體有向上到 9條乳黃色的橫帶, 側邊具有完全的或者中斷橫帶形成斑塊, 頭部深褐色的有薄乳黃色的網狀圖案; 缺乏第二的喙; 缺乏一個後口部的小袋; 缺乏子鰓蓋凹槽; 鰓縫新月狀的; 有 sublacrymal 凹槽; 一個圓形的吻當背面看了; 腹部部份地在腹鰭基底之間只有覆蓋著細的鱗片了; 側線鱗片 59-60; 腹鰭不部分重疊的臀鰭起源, 不部分重疊程度的臀鰭起源的緊貼的背鰭.(參考文獻 57871)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 在加里曼丹 Timur 的肯雅與馬哈甘河流域, 與在加里曼丹 Barat ，印尼的卡普阿斯河流域。
Tan, H.H., 2006. The Borneo suckers. Revision of the torrent loaches of Borneo (Balitoridae): Gastromyzon, Neogastromyzon). Kota Kinabalu, Sabah, Malaysia : Natural History Publications (Borneo) in association with Raffles Museum of Biodiversity Research. vii, 245 p. : ill. (some col.), maps ; 26 cm. (Ref. 57871)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 10 January 2019
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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=0.00617 (0.00268 - 0.01421), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
