Nannocharax hadros Katemo Manda, Snoeks, Chocha Manda & Vreven, 2021
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335); hadros: The specific name is derived from the Greek adjective 'hadros', meaning well-developed, strong, great, bulky and refers to its large maximum size, exceeding that of its currently known congeners (Ref. 127100).
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335); hadros: The specific name is derived from the Greek adjective 'hadros', meaning well-developed, strong, great, bulky and refers to its large maximum size, exceeding that of its currently known congeners (Ref. 127100).
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
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
Africa: Kalule Nord River, Upper Lualaba, Congo River basin in Democratic Republic of the Congo (Ref. 127100).
サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 13 - 14; 肛門の骨: 0; 臀鰭: 8 - 9; 脊つい: 32 - 33. Diagnosis: Nannocharax hadros is distinguished from all its congeners by the possession of a completely pored lateral line vs. incompletely in N. angolensis, N. dageti, N. hastatus, N. lineostriatus, N. machadoi, N. minutus, N. monardi, N. multifasciatus, N. ocellicauda, N. rubensteini, N. uniocellatus and N. wittei; 37-43 lateral line scales vs. fewer scales in N. ogoensis (36) and N. pteron (35), and more scales in N. elongatus (52-57), N. intermedius (46-55), N. lineomaculatus (47-53), N. luapulae (49-55), N. macropterus (45-47), N. maculicauda (55-61), N. niloticus (50-55), N. occidentalis (50-56), N. reidi (46-48), N. rubrolabiatus (45-50), and N. signifer (46-48); 14-16 circumpeduncular scales, vs. 12 in N. altus and N. schoutedeni; 11-12 scales between the dorsal and adipose fins, vs. 9-10 in N. brevis, and 8-9 in N. seyboldi (Ref. 127100). In N. hadros, the dorsal-fin origin is situated well behind the pelvic-fin origin, vs. origin situated anterior to pelvic-fin origin in N. ansorgii, N. fasciolaris, N. gracilis, N. hollyi, N. latifasciatus, N. micros, and N. taenia or at the same level as the pelvic-fin origin in N. fasciatus; Nannocharax hadros has the tip of the longest pectoral-fin ray extending beyond the vertical through the insertion of the pelvic fin, vs. not reaching the pelvic-fin insertion in N. parvus, and a large distance between the posterior margin of the anus and the insertion of first anal-fin ray, 5.5-8.4% of standard length vs. 0.9-1.9% in N. usongo and 2.2-3.8% in N. zebra; it is most similar to N. procatopus and can be distinguished from it by a higher number of pectoral-fin rays, 16-17 vs. 12-15, respectively, a deeper body at the anal-fin origin, 15.5-19.3% of standard length vs. 10.9-15.0%, respectively, and a smaller internostril distance, 11-16% of head length vs. 17-23%, respectively (Ref. 127100).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Found in a shallow water zone with a high current over the rocky substrate (Ref. 127100)
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
Katemo Manda, B., J. Snoeks, A. Chocha Manda and E. Vreven, 2021. Nannocharax hadros (Teleostei: Distichodontidae), a new species from the Kalule Nord River in the Upemba National Park, Upper Congo basin. Ichthyol. Explor. Freshwaters 30(4):317-330. (Ref. 127100)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 潜在的興味の
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=0.00447 (0.00186 - 0.01072), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (参照 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives