Oligosarcus amome AlmirónCasciottaPiálekDoubnerováŘíčan, 2015
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Characiformes (Characins) > Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335); amome: The specific name amome is a Guaraní word, meaning once in a while, rare. This is in references to the low occurrence of the specimens of this species in the localities where they were captured.
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335); amome: The specific name amome is a Guaraní word, meaning once in a while, rare. This is in references to the low occurrence of the specimens of this species in the localities where they were captured.
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. Subtropical
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: Río Uruguay basin, Misiones, Argentina.
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) : 12; 脊つい: 35. Oligosarcus amome can be distinguished from all congeners except O. platensis and O. itau by having two conspicuous series of teeth on the premaxilla. It differs from O. platensis in having premaxillary teeth in the outer series pentacuspidate (vs. tricuspidate); premaxillary inner series with five teeth penta to heptacuspidate (vs. bi to pentacuspidate); ten to eleven maxillary teeth (uni to pentacuspidate) (vs. vs. 17 teeth (uni to tricuspidate); dentary teeth uni to heptacuspidate (vs. uni to pentacuspidate); 20-23 branched anal-fin rays (vs. 27); 39-41 lateral line scales (vs. 44); and 14-16 predorsal scales (vs. 24).
Oligosarcus amome can be diagnosed from O. itau in having premaxillary teeth in the outer series pentacuspidate (vs. tricuspidate); 39-41(vs. 41-42) scales on lateral line, and 14-16 (vs. 16-17) predorsal scales. It can be further distinguished from O. itau by following morphometric characters: predorsal distance (51.4-53.5 vs. 54.7-57.0% SL); body depth (32.0-34.0 vs. 36.3-37.5% SL); pectoral-fin length (18.6-20.7 vs. 22.7-23.9% SL); pelvic-fin length (14.5-16.2 vs. 18.2-20.0% SL); pectoral to pelvic-fin distance (24.1-25.7 vs. 19.7-20.1% SL); head length (26.7-27.8 vs. 28.7-30.8% SL); peduncle depth (10.5-11.4 vs. 12.6-13.2% SL); peduncle length (10.5-12.0 vs. 14.9-16.0% SL); eye diameter (26.9-29.3vs. 31.6-33.2% HL); and snout length (27.5-29.9 vs. 23.9-24.6% HL). In addition to the presence of two series of teeth on the premaxilla, Oligosarcus amome is distinguished from O. brevioris, O. jacuiensis, O. jenynsii, and O. oligolepis, occurring in the río Uruguay basin, by several characters. It is distinguished from O. brevioris, O. jacuiensis, and O. jenynsii by having 17-18 circumpeduncular scales (vs. 21-23, 21-25, and 12-16 respectively), 39-41 lateral line scales (vs. 47-56, 55-65, and 54-63 respectively), and 3 ectopterygoid teeth (vs. 7-18, 10-20, and 12-16, respectively). It differs clearly from O. oligolepis by having 17-18 circumpeduncular scales (vs. 25-27), 39-41 lateral line scales (vs. 72-79), and 3 ectopterygoid teeth (vs. 14-16). It is distinguished from O. pintoi in having 20-23 (vs. 24-28) branched anal fin-rays; 10-11 (vs. 15-23) maxillary teeth; 3 (vs. 5-14) ectopterygoid teeth; and penta to heptacuspidate (vs. all tricuspidate premaxillary teeth) (Ref. 99820).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
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
Almirón, A., J. Casciotta, L. Piálek, K. Doubnerová and O. Říčan, 2015. Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina. Zootaxa 3915(1):581-590. (Ref. 99820)
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=0.00891 (0.00388 - 0.02045), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
|
栄養段階 (参照 69278) |
3.9 ±0.7 se; based on size and trophs of closest relatives |
|
回復力 (参照 120179) |
高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
|
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |