Ageneiosus inermis, Manduba : fisheries, gamefish, aquarium

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Ageneiosus inermis (Linnaeus, 1766)

Manduba
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Ageneiosus inermis
Picture by Magalhães, K.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Siluriformes (Catfish) > Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Ageneiosus: Greek, a = without + greek, geneias, -ados = bear, chin (Ref. 45335).  More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 大洋性; pH range: 6.5 - 7.8; dH range: ? - 20.   熱帶; 22°C - 24°C (Ref. 2060)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

South America: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Suriname, and Venezuela (Ref. 37098). Reported from Uruguay (Ref. 54736).
南美洲。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 64.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 111518); 最大体重: 3.1 kg (Ref. 111518)

简单描述 型态特徵 | 形态测量图

臀鳍软条: 34 - 40; 脊椎骨: 46 - 51. Body naked and elongated. Head is pointed and depressed at the top. Mouth is big and wide. The lateral eyes are situated along the level of the mouth, ensuring a vision above and below. Exhibits sexual dimorphism, like A. dentatus. The first ray of the dorsal fin is very long and has pointed spines (Ref. 35381).
身体裸露与瘦长的。 头部是尖的而且在顶端扁平的。 嘴是大与宽的。 侧面的眼睛被位于沿着嘴巴的水平, 确定一个视野上面与下面。 显示性的同种二形, 例如 A. dentatus. 背鳍的第一个鳍条非常长而且有尖的棘。 (参考文献 35381)

生物学特性     字汇 (例如 epibenthic)

Prefers rivers in overgrown backwaters where the current is not too strong. Reported to be nocturnal. Feeds on fish and crustaceans. The flesh is esteemed for its very fine flavor. Frequently captured with nets, with males difficult to release from the nets because of its strong dorsal spine that is bordered with denticles (Ref. 27188). During reproduction, the mandibular barbels and dorsal spine of the male change, and a copulatory organ appears at the anterior level of the anal fin. Fertilization is internal, the female being capable of keeping the spermatozoids inserted in the epithelium of her genital tract (Ref. 35381).

偏爱水流不是太强的河中植物茂盛的洄水区。 吃鱼与甲壳动物。 它的肉为它的非常细滋味被赞赏。 被报告是夜行的。 时常用网捕获了, 雄性难以从网中放出由于有细齿边缘的它的强背棘。 (参考文献 27188) 在繁殖, 颚的触须与雄鱼的背棘的时候改变,而且一个交配的器官在臀鳍的前面出现。 体内受精, 母鱼能保持在她的生殖道的上皮被插入的精虫.(参考文献 35381)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Female lays eggs on plants a few days after fertilization (Ref. 2060). The females can preserve keep fertile spermatozoids by coating these with secretions of maternal origin and inserting these in the epithelium of its genital tract (Ref. 27188).南美洲。

主要参考文献 Upload your references | 参考文献 | 合作者 : Ferraris, Jr., Carl J. | 合作者

Ferraris, C.J. Jr., 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098)

世界自然保护联盟红皮书 (Ref. 120744)

  不评价 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 商业性; 游钓鱼种: 是的; 水族馆: 公众的水族馆
FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00670 - 0.01081), b=3.07 (3.00 - 3.14), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.66 se; Based on food items.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming tm=2-4, Fec>1000).
脆弱性 (Ref. 59153):  Moderate to high vulnerability (50 of 100) .
价格分类 (Ref. 80766):   Unknown.