Trigonostigma truncata Tan, 2020
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cypriniformes (Carps) > Danionidae (Danios) > Rasborinae
Etymology: Trigonostigma: Greek, tres, tria = three + Greek, gonias= angle, corner + Greek stigma = signal; truncata: Name from the Latin ‘truncus’ meaning cut off; referring to the caudal apex of the axine not reaching the base of the caudal-fin; noun in apposition.
Etymology: Trigonostigma: Greek, tres, tria = three + Greek, gonias= angle, corner + Greek stigma = signal; truncata: Name from the Latin ‘truncus’ meaning cut off; referring to the caudal apex of the axine not reaching the base of the caudal-fin; noun in apposition.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
; 淡水 底中水層性.
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Asia: from the east coast of the Malay Peninsula, from south of the Isthmus of Kra in Narathiwat province of southern Thailand to the Malaysian State of Terengganu.
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 7; 臀棘: 1; 臀鰭軟條: 6. This species differs from T. heteromorpha in the following characters: a gently sloping lateral head profile to pre-dorsal region (vs. steep convex); sub-superior mouth (vs. terminal); caudal apex of axine not reaching caudal-fin base (vs. reaching and extending to hypural plate); dorsal and ventral apices of axine originate posterior to both dorsal-fin and pelvic-fin origins by up to three scale-widths (vs. dorsal apex starting one scale-width posterior to dorsal-fin origin and ventral apex starting at pelvic-fin origin); faint or indistinct brown humeral streak just posterior to opercular opening (vs. a distinct black humeral streak); base of dorsal fin hyaline and its middle reddish-orange in life (vs. anterior two-thirds orange-red); a distinct orange-red colour on anal fin in life (vs. faint or absence); body in life with a bluish-lilac sheen (vs. reddish or purplish sheen); a shallower body (depth at dorsal-fin origin 28.3-34.6% SL [mean 32.4], vs. 32.6-38.2% [mean 35.8]) (Ref. 122370).
Cross section: compressed.
Cross section: compressed.
This species occurs in lowland freshwater acid swamp-forest stream habitats, usually flowing into riverine habitats. Associated species include the following: Notopterus notopterus (Notopteridae); Barbodes cf. binotatus, Desmopuntius hexazona, Osteochilus vittatus, O. waandersii (Cyprinidae); Boraras maculatus, B. urophthalmoides, Rasbora bankanensis, R. cephalotaenia, R. usonensis, R. einthovenii, R. paucisqualis, Trigonopoma gracile, T. pauciperforatum (Danionidae); Acanthopsoides sp., Lepidocephalichthys furcatus, Pangio cuneovirgata, P. piperata, P. semicincta, P. muraeniformis (Cobitidae); Homalopteroides nebulosus (Balitoridae); Nemacheilus selangoricus (Nemacheilidae); Barbucca diabolica (Barbuccidae); Hemibagrus capitulum, Nanobagrus fuscus, Pseudomystus stenomus (Bagridae); Kryptopterus minor, Silurichthys hasseltii (Siluridae); Parakysis verrucosus (Akysidae); Clarias leiacanthus, C. meladerma (Clariidae); Monopterus javanensis (Synbranchidae); Neostethus smithi (Phallostethidae); Bihunichthys sp., Chaudhuria sp. (Chaudhuriidae); Oryzias minutulatus (Adrianichthyidae); Indostomus crocodilus (Indostomidae); Hemirhamphodon pogonognathus (Zenarchopteridae); Xenentodon canciloides (Belonidae); Doryichthys martensii (Syngnathidae); Brachygobius xanthomelas (Gobiidae); Pristolepis grooti (Pristolepididae); Nandus nebulosus (Nandidae); Betta imbellis, B. pi, stigmosa, Luciocephalus pulcher, Parosphomenus paludicola, Trichopodus trichopterus, Trichopsis vittata (Osphronemidae); Channa limbata, and C. lucius (Channidae) (Ref. 122370).
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Tan, H.H., 2020. Trigonostigma truncata, a new species of harlequin rasbora from Malay Peninsula (Teleostei: Danionidae). Raff. Bull. Zool. 68:421-433. (Ref. 122370)
CITES
Not Evaluated
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更多資訊
解剖學
鰓區
腦部
耳石
鰓區
腦部
耳石
生理學
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
遺傳學
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).