Trigonostigma heteromorpha, Harlequin rasbora : aquarium

Trigonostigma heteromorpha (Duncker, 1904)

Harlequin rasbora
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Cypriniformes (Carps) > Danionidae (Danios) > Rasborinae
Etymology: Trigonostigma: Greek, tres, tria = three + Greek, gonias= angle, corner + Greek stigma = signal.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性; pH range: 5.0 - 7.0; dH range: 5 - 12.   熱帶; 22°C - 25°C (Ref. 1672)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: Malay Peninsula: Peninsular Malaysia, Singapore and Indonesia.
亞洲: 泰國 (那拉迪瓦南方) 到印尼的蘇門答臘。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 13061)

簡短描述 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 is shares with T. truncata, presence of a large black axine starting from approximately mid-body with dorsal apex near dorsal-fin origin, ventral apex near pelvic-fin origin, and caudal apex near caudal-fin base. It differs from all its congeners in the following set of characters: a steep sloping lateral head to pre-dorsal region (shared with T. espei, vs. a gentle sloping lateral profile from posterior of head to predorsal region for T. truncata, T. hengeli, T. somphongsi); terminal mouth (shared with all except truncata with a sub-superior mouth); caudal apex of axine reaching caudal-fin base (shared with all except truncata with caudal apex not reaching); dorsal and ventral apices of axine originate near to both dorsal-fin and pelvic-fin origins (shared with truncata vs. dorsal apex starting up to 3 scale-width posterior to dorsal-fin origin and ventral apex starting two scale-width after pelvic-fin origin in espei, hengeli, while axine is reduced to thick black stripe in somphongsi); dorsal fin with distinct orange/red pigments shared with truncata, espei (vs. hengeli, somphongsi with almost hyaline dorsal fin) (Ref. 122370).
彩色斑紋淡紅的﹐略帶桃色的或橘色的身體有一條顯著的黑色斑紋為了要有一個三角形的或孵化形狀 , 從下方尾鰭基底的背鰭起點到中央而且通常前面地擴大。 不完全的側線縮小成 6-9個孔了。 沒有觸鬚。 分枝的臀鰭鰭條,5.(參考文獻 38434)

生物學特性     字彙 (例如 epibenthic)

Inhabits forest streams (Ref. 13061). Found in primary peat swamps in larger than 100 fish (Ref. 57235). Feeds on worms, crustaceans and insects (Ref. 7020). Eggs spawned at the underside of broad leaves and similar structures (Ref. 38434). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539). Previously known as "Rasbora" but revised as separated genus by Kottelat & Witte (1999) (Ref. 57235).

棲息於森林溪流。 (參考文獻 13061) 吃蠕蟲,甲殼動物與昆蟲。 (參考文獻 7020) 卵在寬樹葉與相似的結構下面產卵了。 (參考文獻 38434) 水族館保持: 形成 5個或更多個體的群體; 水族館最小體型 60 公分.(參考文獻 51539)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

亞洲: 泰國 (那拉迪瓦南方) 到印尼的蘇門答臘。

主要參考資料 Upload your references | 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)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 25 February 2011

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

水族館: 高經濟性
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [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 (Ref. 69278):  3.3   ±0.40 se; based on food items.
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .