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) > Geophaginae
Etymology: Geophagus: Greek, gea = the earth + Greek, phagein = to eat (Ref. 45335); crocatus: From the Latin adjective crocatus, meaning saffron yellow, in reference to the yellow operculum on live specimens.
Etymology: Geophagus: Greek, gea = the earth + Greek, phagein = to eat (Ref. 45335); crocatus: From the Latin adjective crocatus, meaning saffron yellow, in reference to the yellow operculum on live specimens.
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; pH range: 4.1 - 7.1. 25°C - 33°C (Ref. 95093)
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Berbice River, above and below the rapids at Itabru Falls in Guyana.
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) : 17; 背的软条 (总数) : 11 - 12; 臀棘: 3; 臀鳍软条: 7 - 8; 脊椎骨: 32 - 33. Differs from Geophagus grammepareius, G. taeniopareius, G. argyrostictus, G. gottwaldi and G. harreri by its incomplete suborbital stripe (vs. complete). Can be further diagnosed from G. abalios, G. brokopondo, G. surinamensis, G megasema, G camopiensis, G. altifrons, G. parnaibae, G. sveni, and G. neambi by having an incomplete suborbital stripe formed by a preopercular black mark (vs. absent). The lateral bar pattern of Geophagus crocatus distinguishes this species from all other congeners. The bar pattern is formed by 6 vertical bars on the flank, with bars 2 and 3 uniquely fused dorsally at the base of the spiny dorsal fin between spines 9 and 10. Distinguished from all members of the G. surinamensis complex with incomplete suborbital markings by the presence of 6 lateral bars (vs. absent in G. proximus and G. brachybranchus, 4 bars in G. winemilleri, and 7 bars in G. dicrozoster (Ref. 95093).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Inhabits black water river, running through thick gallery forest. Mostly found abundat in areas of sluggish water with sandy bottoms and relatively little forest cover (Ref. 95093).
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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
Hauser, F.E. and H. López-Fernández, 2013. Geophagus crocatus, a new species of geophagine cichlid from the Berbice River, Guyana, South America (Teleostei: Cichlidae). Zootaxa 3731(2):279-286. (Ref. 95093)
CITES
Not Evaluated
对人类的威胁
人类利用
FAO - Publication: search | FishSource |
更多信息
解剖学
鳃区
大脑
耳石
鳃区
大脑
耳石
生理学
身体成分
营养素
耗氧量
游泳类型
游泳速度
视觉色素
鱼声
疾病与寄生虫
毒性（半数致死浓度）
身体成分
营养素
耗氧量
游泳类型
游泳速度
视觉色素
鱼声
疾病与寄生虫
毒性（半数致死浓度）
遗传学
基因组
遗传学
异质性
遗传率
基因多样性
基因组
遗传学
异质性
遗传率
基因多样性
工具
特别资料
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网络资源
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: 属, 种 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录
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=0.02042 (0.00914 - 0.04559), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
2.3 ±0.1 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 (24 of 100). 🛈 |