Rasbora nodulosa Lumbantobing, 2010

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Rasbora nodulosa
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Cypriniformes (Carps) 鯉形目 (Carps) > Cyprinidae (Minnows or carps) 鯉科 (Minnows or carps) > Danioninae
Etymology: Rasbora: Rasbora, an Indian word for a fish, also used in Malay peninsula;  nodulosa: The specific name, nodulosa, from the Latin referring to the shape of tubercles on this species suggesting nodules.

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

; 淡水 底中水層性.   

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

Asia: Seumayam, Tangan-tangan, and two unnamed short coastal rivers in northwestern coast of Sumatra, Indonesia.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 85846)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 9; 臀鰭軟條: 7; 脊椎骨: 31 - 32. Can be diagnosed from all members of the Rasbora trifasciata-group by having male cephalic tubercles nodular with blunt tips and the base lower than the skin surface in a narrow pit. Other combination of characters useful to further distinguished from the other members of this group in northwestern Sumatra include the following: cranial superficial neuromasts having basal plates confluent with the skin surface with no peripheral structure surrounding them; first infraorbital (lachrymal) with a posterodorsal process and a concave dorsal margin; lachrymal region peripherally pigmented with an unpigmented central area; the dorsomedial branch of the supraorbital canal extending toward the posterior margin of the frontal; an axial streak extending anteriorly and terminating between the verticals through the dorsal-fin origin and the pelvic-fin insertion; the presence of cephalic tubercles only in males; a transverse scale count anterior to the dorsal-fin origin and pelvic-fin insertion of K4/1/2K; 12 scales around caudal peduncle; unpigmented opercular flap; a basal reticulation pattern comprising of networks of well-developed parenthesis-shaped bars on the midlateral surface of the body; a maximum vertical coverage of the basal reticulation by three and a half longitudinal scale rows; and pelvic-fin rays i,8 (Ref. 85846).

生物學特性     字彙 (例如 epibenthic)

Occurs sympatrically with Rasbora cf. sumatrana in the Seumayam River (Ref. 85846).

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


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Lumbantobing, D.N., 2010. Four new species of the Rasbora trifasciata-group (Teleostei: Cyprinidae) from northwestern Sumatra, Indonesia. Copeia 2010(4):644-670. (Ref. 85846)

IUCN 瀕危狀態 (Ref. 119314)

  未評估 

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00318 - 0.01574), b=3.06 (2.88 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.4 se; Based on size and trophs of closest relatives
回復力 (Ref. 69278):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (12 of 100) .