Nothobranchius melanospilus (Pfeffer, 1896)
Blackspotted nothobranch
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Nothobranchius melanospilus
Female 图片提供人 R A Hill ARPS
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Female 图片提供人 R A Hill ARPS
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335).
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335).
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水 底中水层性; 非迁移的. 熱帶; 22°C - 28°C (Ref. 2059)
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Africa: Unguja Island, Zanzibar archipelago, and adjacent mainland coastal rivers in eastern Tanzania (Ref. 83514, 122075); also reported from Umba and Ramisi rivers in Kenya (Ref. 83514).
非洲: 在東方的坦尚尼亞中的河 Umba ， Pangani ， Wami ， Ruvu ， Ruhoi 與 Rufiji 的流域; 在桑吉巴的北部中的暫時水池中; 在東南方的肯亞中的 Umba 與 Ramisi 流域。
非洲: 在東方的坦尚尼亞中的河 Umba ， Pangani ， Wami ， Ruvu ， Ruhoi 與 Rufiji 的流域; 在桑吉巴的北部中的暫時水池中; 在東南方的肯亞中的 Umba 與 Ramisi 流域。
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 15 - 17; 臀棘: 0; 臀鳍软条: 16 - 19; 脊椎骨: 30 - 32. Diagnosis: Distinguished from all congeners by the combination of the following character states: caudal fin red with black posterior margin in males, narrow white margin to dorsal and anal fins, and silver iris; posterior portion of flank and unpaired fins with black spots in females; pre-dorsal length in males 62.4-65.1% of standard length; 5 + 15-16 gill-rakers on first branchial arch; 29-31 scales in longitudinal series; 16-18 series of scales around caudal peduncle; two longitudinal rows of scales between anterior supraorbital series of neuromasts; anterior supraorbital series of neuromasts arranged continuously, with four well-developed neuromasts; four neuromasts in posterior supraorbital series; 29-31 caudal-fin rays; 30-31 vertebrae; second proximal radial of dorsal fin between neural spines of 13th and 15th vertebrae (Ref. 83514, 122075). This species differs from Nothobranchius lucius in having a plain red caudal fin with narrow margin at the upper and lower corners in male (Ref. 83514).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Found in temporary pools in floodplains, rice fields, swamps, ditches and small streams (Ref. 3788). Found in water-filled depressions in floodplains of rivers; with vegetation often near edges, usually grasses; occasionally grasses cover the entire pool; if aquatic vegetation is present, it may comprise of Nymphea, Ottelia, Lagarosiphon, and Utricularia species; annual species; eggs deposited in substrate where they survive dry season; hatching at onset of wet season; rapid growth of fry; sexual maturity may be attained in six weeks; may be associated with other annual or non-annual fish species (Ref. 83514). Bottom spawner; 4 months incubation; difficult to maintain in aquarium (Ref. 27139).
在洪泛区，稻田，沼泽, 沟渠与小的溪流中出现于暂时的水池。 (参考文献 3788) 底部产卵鱼， 4 个月孵育时间。 在水族馆是难以维持。 (参考文献 27139)
在洪泛区，稻田，沼泽, 沟渠与小的溪流中出现于暂时的水池。 (参考文献 3788) 底部产卵鱼， 4 个月孵育时间。 在水族馆是难以维持。 (参考文献 27139)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Annual fishes.非洲: 在東方的坦尚尼亞中的河 Umba ， Pangani ， Wami ， Ruvu ， Ruhoi 與 Rufiji 的流域; 在桑吉巴的北部中的暫時水池中; 在東南方的肯亞中的 Umba 與 Ramisi 流域。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Costa, W.J.E.M., 2017. Taxonomic revision of the seasonal killifish genus Nothobranchius from Zanzibar, East Africa (Cyprinodontoidei: Aplocheilidae). J. Nat. Hist. 51(27/28):1-16. (Ref. 122075)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
渔业: 没有兴趣; 水族馆: 商业性
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基于模型的估算
|
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01072 (0.00473 - 0.02425), b=2.95 (2.75 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
3.3 ±0.45 se; based on food items. |
|
渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |