Skip to content
玩缸知识库

叉尾鲶 · Helicopter Catfish

叉尾鲶

概要

字段值
类别鱼
学名Wallago attu
别名叉尾鯰
分类鲶形目 Siluriformes › 鲶科 Siluridae › Wallago
水体淡水
成体体长240 cm
饲养难度困难
最小水体5184 L
最小缸长360 cm
特征吃小鱼: 是;会跳缸: 是
外部数据seriouslyfish wallago-attu;fishbase 10243
原产地阿富汗、巴基斯坦、印度、尼泊尔、孟加拉国、斯里兰卡、缅甸、中国、泰国、老挝、柬埔寨、越南、印度尼西亚、马来西亚
食性肉食

水质参数

参数耐受范围最适范围单位
水温19–29—°C
pH6–7.6——
总硬度1–20—dGH

概述

叉尾鲶(Wallago attu)是巨型捕食鲶,不适合普通家庭水族箱。除成年空间巨大之外,口内向后弯的尖牙和主动咬击也使投喂、转移具有风险,幼鱼外形不能反映成年照顾难度。

分布与栖息地

广布亚洲,从阿富汗、巴基斯坦及南亚延至中国和东南亚。偏好浑浊、深而缓流或静水的大河与湖泊,常沿泥质岸边隐藏。湿季前在浅水繁殖,随后进入洪泛区取食。

饲养环境

成体至少需参考 360 × 120 × 120 厘米,老成鱼甚至仍可能不够,更接近大型池塘或展示设施的规模。装饰容易被撞动或破坏,简洁布局较现实;巨大高效过滤、规律部分换水及重而严密的缸盖都不可缺。

食性与喂食

天然主要吃鱼,也会摄入其他动物。较小个体可喂适口鱼肉、蚯蚓和虾,较大个体可接受相应的大块或整鱼食物,每周一两餐已足够。抢食时可能冲出水面,投喂必须避免手接近其咬击范围。

习性与混养

单尾饲养。能吞下的鱼会被吃掉,吞不下的伙伴也可能被攻击致死,不能依靠“大一点的混养鱼”解决问题。

繁殖

马来西亚已有池塘商业繁殖记录,不能据此认为家庭缸能完成自然繁殖。

图片

图片来自 SeriouslyFish,版权归各摄影者所有。

叉尾鲶
幼鱼 · Juvenile of Wallago attu in an aquarium · 摄影:Hippocampus-Bildarchiv
叉尾鲶
幼鱼 · Subadult in a more suitable environment · 摄影:JJPhoto
叉尾鲶
The capacious mouth of Wallago attu, teeth clearly visible · 摄影:JJPhoto
English

Overview

A giant predator, Wallago attu is inappropriate for ordinary home aquariums. Enormous housing requirements are only part of the problem: backward-pointing sharp teeth and aggressive biting make feeding and handling hazardous. Juvenile appearance gives little indication of adult demands.

Distribution & habitat

Its reported Asian range extends from Afghanistan and Pakistan through South Asia to China and Southeast Asia. Deep turbid lakes and slow rivers are favored, with concealment around muddy margins. Shallow-water spawning precedes wet-season movements into flooded feeding grounds.

Aquarium setup

Even the suggested 360 by 120 by 120 cm minimum may fail to accommodate an older fish adequately. Large ponds or comparable facilities are more realistic. Decor may be displaced or destroyed, so simple layouts, massive efficient filtration, regular water changes, and a heavy secure cover are priorities.

Diet & feeding

Fish dominate natural feeding, with other animals also taken. Smaller specimens accept suitable fish, earthworms, and prawns; large individuals can take appropriately larger items and need only one or two meals weekly. Feeding strikes may carry it out of the water, so hands must remain clear of the bite zone.

Behaviour & compatibility

Keep a single specimen. Swallowable fish are prey, and larger companions may still be killed. Increasing companion size does not create dependable compatibility.

Breeding

Commercial pond breeding has occurred in Malaysia, which does not establish feasibility in a home aquarium.

来源

ID: wallago-attu · 文件: data/species/wallago-attu.md · 状态: 草稿