Haplochromis paradoxus (Lippitsch & Kaufman, 2003)
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); paradoxus: From the Greek 'paradoxos', meaning 'contrary to expectation, incredible'; the species name is a double entendre, in reference to the strange appearance of the fishes, especially their strongly oblique gape and lower jaw, and to their seemingly paradoxical zoogeographical situation (Ref. 51927).
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); paradoxus: From the Greek 'paradoxos', meaning 'contrary to expectation, incredible'; the species name is a double entendre, in reference to the strange appearance of the fishes, especially their strongly oblique gape and lower jaw, and to their seemingly paradoxical zoogeographical situation (Ref. 51927).
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. 熱帶
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
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) : 14 - 16; 背的软条 (总数) : 9 - 11; 臀棘: 3; 臀鳍软条: 8 - 9; 脊椎骨: 29 - 30. Diagnosis: Haplochromis paradoxus differs from all known paedophagous species of Haplochromis of the Lake Edward system by its more numerous outer teeth, 36-65 vs. 16-35, that are strongly recurved and closely set in long tooth bands (Ref. 127594). It is further distinct from H. gracilifur and H. molossus by a longer snout, 28.7-36.0% of head length vs. 24.0-26.7% and 25.1-30.7%, respectively, and longer head, 32.2-36.2% of standard length vs. 29.8-30.7% and 29.5-32.0%, respectively (Ref. 127594). It differs from H. taurinus by its smaller eyes, 25.3-32.1% of head length vs. 32.9-40.2%, and from H. relictidens by its more slender head, 41.7-51.2% of head length vs. 47.7-54.7% (Ref. 127594). Mature males dorsally grey to bluish and ventrally intense yellow vs. different colour patterns in other paedophages (Ref. 127594). Haplochromis paradoxus can be distinguished from piscivorous sensu stricto species from Lake Edward system by its small teeth with very strongly recurved necks and short, bluntly pointed, and usually weakly tricuspid crowns vs. larger, straight to recurved, and acutely pointed teeth in piscivores; its lips are slightly thickened, and its maxillae reach posteriorly before vertical through anterior edge of eyes vs. lips are not thickened and maxilla generally exceed this point in piscivorous species (Ref. 127594). It's a haplochromine species with a strongly oblique gape and lower jaw, in connection with a pronounced concavity in the outline of the head in front of the eye (Ref. 51927). It is distinguished from members of the genus Pyxichromis by a lower body depth, 31.5-33.5% of standard length vs. 35-42%; a lower cheek, 20-24% of head length vs. 24-32%; and the dentition of the oral jaws consisting of bicuspid and tricuspid teeth in both jaws (Ref. 51927).
Body shape (shape guide): fusiform / normal.
一个单色的种具有一个极倾斜口裂与下颌, 在连接中在眼睛前方中的头部的轮廓中具有一个明显的凹洼.(参考文献 51927) 它是双颚内与包含二头齿与三尖齿的一个身体下半部深度 (31.5-33.5% SL vs.35-42), 一个低的颊 (20-24% HL vs.24-32) 与口部颚的生齿的本属 Pyxichromis 的其他成员区分。 (参考文献 51927) 身体中等细长的.(参考文献 51927) 吻部的背面接近水平的.(参考文献 51927) 嘴 isognathous; 唇些微地粗的。 (参考文献 51927) 纵向的线鳞片: 32-33,20-21个上面的侧线鳞片与 10-12 中央侧线鳞片.(参考文献 51927) 头部的侧线孔不被增大, 在眶下骨与泪骨上的孔一般增大了。 (参考文献 51927) 鳃盖除了鳃盖斑块以外完全覆盖着鳞片, 鳞片圆形的.(参考文献 51927)
Body shape (shape guide): fusiform / normal.
一个单色的种具有一个极倾斜口裂与下颌, 在连接中在眼睛前方中的头部的轮廓中具有一个明显的凹洼.(参考文献 51927) 它是双颚内与包含二头齿与三尖齿的一个身体下半部深度 (31.5-33.5% SL vs.35-42), 一个低的颊 (20-24% HL vs.24-32) 与口部颚的生齿的本属 Pyxichromis 的其他成员区分。 (参考文献 51927) 身体中等细长的.(参考文献 51927) 吻部的背面接近水平的.(参考文献 51927) 嘴 isognathous; 唇些微地粗的。 (参考文献 51927) 纵向的线鳞片: 32-33,20-21个上面的侧线鳞片与 10-12 中央侧线鳞片.(参考文献 51927) 头部的侧线孔不被增大, 在眶下骨与泪骨上的孔一般增大了。 (参考文献 51927) 鳃盖除了鳃盖斑块以外完全覆盖着鳞片, 鳞片圆形的.(参考文献 51927)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 愛德華湖.(參考文獻 51927)
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 : Kullander, Sven O. | 合作者
Vranken, N., M. Van Steenberge and J. Snoeks, 2019. Grasping ecological opportunities: not one but five paedophagous species of Haplochromis (Teleostei: Cichlidae) in the Lake Edward system. Hydrobiologia 832(1):105-134. (Ref. 127594)
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基于模型的估算
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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=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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营养阶层 (参考文献 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
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回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.). |
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渔业脆弱性 (Ref. 59153) |
Low vulnerability (11 of 100). 🛈 |