分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria)
鱸形目 (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
石首魚科 (Drums or croakers)
Etymology: medidentatus: Name 'medidentatus' from the Latin words 'medius' and 'dentatus', meaning 'middle' and 'toothed', in reference to the moderate-size teeth in the inner row of the lower jaw of the new species.
Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] (Ref. 128868), visit book page.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 底中水层性.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Western Indian Ocean: India.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 14.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 138459)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 9 - 10; 背的软条 (总数) : 25 - 30; 臀鳍软条: 7. This species is distinguished from its congeners by the following set of characters: body oval shaped; enlarged teeth in the inner row of lower jaw moderate in size; slightly longer pre-anal length, 68.5-73.5% SL; moderately large eye, 21.8-30.1% HL; scales below lateral line, 11-13 (mode 12); and total number of outer gill rakers on first gill arch 5-8 (mode 7) + 10-15 (mode 13) = 17-24 (mode 21) (Ref. 138459).
Body shape (shape guide): fusiform / normal; Cross section: oval.
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Geenita, K., A. Pavan-Kumar, S. Bhushan, S.M. Devi and A.K. Jaiswar, 2025. A new moderate-toothed croaker, Johnius medidentatus sp. nov. (Acanthuriformes, Sciaenidae) from the Indian Ocean. Zoosyst. Evol. 101(4):1921-1932. (Ref. 138459)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
下载 XML
网络资源
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]. |
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Bayesian length-weight
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a=0.00891 (0.00408 - 0.01946), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
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.). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |