Bryconamericus caldasi Román-Valencia, Ruiz-C., Taphorn B. & García-Alzate, 2014
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Characiformes (Characins) > Stevardiidae (Stevardiids) > Diapominae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335); caldasi: Named for the Colombian naturalist Francisco José de Caldas, who devoted his life to the study of Neotropical nature, and whose intellectual merit lies in having embraced the incipient patriotic fervor in the struggle for Colombian independence in the first half of the nineteenth century.
Eponymy: Francisco José de Caldas (1768–1816) was a Colombian geographer, lawyer and self-taught naturalist. [...] (Ref. 128868), visit book page.
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335); caldasi: Named for the Colombian naturalist Francisco José de Caldas, who devoted his life to the study of Neotropical nature, and whose intellectual merit lies in having embraced the incipient patriotic fervor in the struggle for Colombian independence in the first half of the nineteenth century.
Eponymy: Francisco José de Caldas (1768–1816) was a Colombian geographer, lawyer and self-taught naturalist. [...] (Ref. 128868), visit book page.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水 底生の漂泳性; pH range: 7.0 - 8.3. Tropical
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
South America: La Libertad Creek, middle Cauca River Basin in Colombia.
サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10; 脊つい: 38 - 41. Bryconamericus caldasi can be distinguished from most congeners by the following characters: sides of the body with a dark lateral stripe overlaid by a peduncular spot and reticulated pattern (vs. peduncular spot and other body pigments not superimposed over a dark lateral stripe, except in B. oroensis which has a dark lateral stripe on body from posterior edge of opercle to base of caudal fin); 15-17 predorsal scales (vs. 9-14, except B. andresoi with 13-15, B. galvisi with 12-17, B. huilae with 14-19, B. plutarcoi and B. foncensis with 11-16); and a wide anterior maxilla tooth, at least twice as wide as the posterior tooth, both of which are pen¬tacuspid (vs. maxilla teeth of same size). It differs from B. oroensis by: pectoral-fin length (16.4-22.3% SL vs. 32.0-39.3% SL), pelvic-fin length (10.7-16.8% SL vs. 22.0-25.9% SL), caudal peduncle depth (9.3-14.9% SL vs. 16.7-23.8% SL), dorsal-anal fin distance (24.4-36.0% SL vs. 10.8-13.0% SL), dorsal-pectoral distance (34.4-45.6% SL vs.9.4-13.5% SL), anal-fin length (9.4-18.3% SL vs. 23.4-27.8% SL), length of maxilla (35.8-48.9% HL vs. 22.3-36.2% HL), and 4-5 scale rows between pelvic-fin and lateral lines (vs. 6-8). It can be diagnosed from the sympatric B. caucanus by having 15-17 predorsal median scales (vs.12-13), pectoral-fins not reaching or just reaching pelvic-fin insertions (vs. pectoral fins reaching poste¬rior to pelvic-fin insertions), convex predorsal profile (vs. oblique), small scales arranged in two or more rows at caudal-fin base (vs. large scales in just one row), and dorsal-fin origin position at vertical through posterior tip of pelvic-fin (vs. at a vertical anterior to pelvic-fin tip) (Ref. 106071).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Occurs in a clear creek characterized by a relatively rapid water current, running over rocky and sandy bottoms. Syntopic with Andinoacara sp., Astroblepus sp., Brycon henni, Hemibrycon boquiae, H. rafaelense, Chaetostoma fischeri, Poecilia caucana, Xiphophorus hellerii, and Trichomycterus caliensis. The stomach contents of three specimens include adults and larvae of different species of Diptera (12.5%, 4.0 mm3), Diptera: Simulidae (12.5%, 3.0 mm3), Diptera: Chironomidae (12.5%, 3.0 mm3), Diptera: Dixidae (12.5%, 2.0 mm3), Trichoptera: Leptoceridae (12.5%, 14.0 mm3), Ephemeroptera: Baetidae (25%, 5.0 mm3), Hymenoptera: Vespidae (12.5%, 2.0 mm3).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
Román-Valencia, C., R.I. Ruiz-C., D.C. Taphorn B. and C. García-Alzate, 2014. A new endemic species of Bryconamericus (Characiformes, Characidae) from the Middle Cauca River Basin, Colombia. Animal Biodiversity and Conservation 37.2:107-114. (Ref. 106071)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
FAO - Publication: search | FishSource |
より多くの情報
ライフサイクル
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
遺伝子の
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
用具
特記事項
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インターネットの情報源
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モデルに基づく推定値
系統多様性指数 (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00544 - 0.03050), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
栄養段階 (参照 69278): 2.6 ±0.3 se; based on size and trophs of closest relatives