分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies) >
Milyeringidae (Blind cave gudgeons)
Etymology: Typhleotris: Greek, typhlos = blind + the name of a Nile fish, eleotris (Ref. 45335); madagascariensis: Named by Petit (1933) [Ref. 94243] for the country of origin (Ref. 93144).
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
Africa: Madagascar, extending from wells near Ambilahilalika, located about midway between Soalara and Efoetse in the north, southward to Nikotsy sinkhole, located just to the north of Itampolo (Ref. 93144). Its presence just north of the Linta River has to be confirmed (Ref. 93144). Also Ref. 6802, 91201.
非洲: Onilahy 河南方的特有種, 西南方的馬達加斯加。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 8.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 93144)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 5; 背的軟條 (總數) : 8 - 9; 臀棘: 0; 臀鰭軟條: 8; 脊椎骨: 24 - 25. Diagnosis: This species is distinguished from congeners by the presence of scales extending fully onto head; head is more or less fully scaled, including opercle and subopercle, cheek, snout, preorbital and interorbital regions, and nape (Ref. 93144). Typhleotris madagascariensis is further distinguished from T. mararybe by the absence of pigment on the body and fins, a shorter second predorsal length (56.2-64.1% of standard length vs. 64.9-69.0% of standard length), and a more or less rounded head and snout in dorsal and lateral view vs. strongly concave/indented in orbital region; and from T. pauliani by a pelvic count of I,5 (vs. I,4 in T. pauliani) and the absence of spines in both the second dorsal and anal fins (vs. single spine present in both fins) (Ref. 93144).
Body shape (shape guide): elongated.
Blind and pigment-free obligate cave-dwelling species; restricted to subterranean habitats (caves, sinkholes, wells) within the Mahafaly Plateau karst formation, as well as isolated locations with Eocene limestone along the coastal plain below and to the west of the plateau, to the south of the large Onilahy River drainage basin (Ref. 93144). Apparently confined in underground waters (Ref. 6802). Attracted by disturbance of water surface (Ref. 94243). Feeds on crustaceans and insects found in caves (Ref. 91201).
顯然地局限在地下水了。 (參考文獻 6802)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: Onilahy 河南方的特有種, 西南方的馬達加斯加。
Sparks, J.S. and P. Chakrabarty, 2012. Revision of the endemic Malagasy Cavefish genus Typhleotris (Teleostei: Gobiiformes: Milyeringidae), with discussion of its phylogenetic placement and description of a new species. American Museum Novitates 3764:1-28. (Ref. 93144)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
瀕危 (EN) (B1ab(iii)); Date assessed: 14 May 2016
人類使用
漁業: 沒有興趣
工具
特別的報告
下載 XML
網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
🛈
