第 1224 号，共 1 402 张

Stonecat

Noturus flavus

名字的由来： The common name comes from its habit of hiding near or under stones. Its genus name Noturus means "back tail" and its species name flavus means "yellow".1

只是会疼不要触摸会疼，但不会对你造成严重伤害。

有毒的鱼

有毒的刺吃：什么都来一点

对人的危险: 很疼可能真的很疼，但几乎从不严重。

The stonecat is a small freshwater catfish from North America. It hides near or under stones in fast-moving water. It is special because it has venom glands at the base of its pectoral spines, which can cause extreme pain.1

生活在

North America: Great Lakes, St Lawrence and Mississippi basins, from Quebec to Alberta and south to Alabama1

北美洲

首页

Stonecats live in large creeks to small rivers, usually in gently to fast-moving riffles with rocky bottoms. They also live in natural lakes such as Lake Erie, on rock and gravel bars that get strong wave action.1

长度

10 cm到30 cm (3.9 in到1 ft)1

体重

100 g到499 g (4 oz到1.1 lb)1

最高速度

约 4.8 公里/小时（3 英里/小时）

游泳, 粗略估计

它吃什么？

Stonecats are opportunistic bottom feeders. At night they use their sensitive barbels to search the river bed for aquatic insect larvae, mayflies, snails and other molluscs, minnows, fish eggs, crayfish, worms and plant material.1

Stonecat的照片 — Stonecat。照片：unknown。 CC0, iNaturalist.

怎样认出它

Small, slender, flat-headed catfish with a thick, yellowish-brown skin1
The sides of the head shade to yellow, and the belly is whitish1
A white spot at the rear of the dorsal fin base and another on the upper edge of the tail fin1
Either two light bars or a patch on the nape, depending on the population1

毒液之力

有毒的刺

锋利的刺带着毒液。踩到或抓住它会很疼。

它的毒液会造成什么？

Stonecats have venom glands, mainly at the bases of the pectoral spines. Their venom causes extreme pain, similar to that of a wasp sting. Other members of this catfish family cause irritating wounds from their spines, but the stonecat's venom is stronger.1

它对人有多危险？

对人的危险: 很疼可能真的很疼，但几乎从不严重。

The spines can deliver venom that causes extreme pain, similar to a wasp sting. Keep clear of its spines.1

它害怕时会做什么？

Stonecats hide near or under stones, and their venom glands sit at the bases of their pectoral spines.1

如果它的刺扎到你

把伤口泡在热水里，水温以不烫伤为限、尽量热（先用你自己的手试一试），泡 30 到 90 分钟。去看医生，尤其是被石头鱼和魟鱼伤到时。

一定先拨打你的急救电话（112、000、911）。这里是一般急救指导，不是医疗建议。急救基础

注意安全

永远不要摸、抓或逗弄野生动物，即使是很小的，即使它看起来在睡觉或已经死了。
给它留出空间。如果遇到它，保持冷静，慢慢后退，让它走自己的路。
如果它的刺扎到你：保持冷静，保持不动，拨打你的急救电话（112、000、911）或尽快去医院。记住它长什么样，拍张照片会有帮助。

它不是冲着你来的。它用毒液捕猎或保护自己，而且它更愿意躲起来。更多安全知识

在世界哪里？

非洲亚洲欧洲北美洲南美洲澳大利亚和大洋洲

它有多大？

它有多长？

它有多重？

和 4 根香蕉一样重

和 10 块玩具积木排成一排一样长38 秒就能游完一个大泳池（50 米）

Stonecat和你比起来有多大？

只是在你的浏览器里算一算。什么都不会被保存或发送到任何地方。

它有多快？

一个在游泳的人 约 3 公里/小时 (1.9 mph)

Stonecat 约 4.8 公里/小时 (3 mph)

一名奥运游泳选手 约 8 公里/小时 (5 mph)

值得了解

事实

A stonecat's pectoral spines carry venom glands, which makes them far more painful than the spines of most related catfish.1

Its eggs are amber-yellow and very large for a fish, measuring between 3.5 and 4 mm across.1

Stonecats are used as indicators of water quality, because they are absent from highly polluted or heavily silted areas.1

Stonecats form monogamous pairs for breeding, and they spawn when water temperatures reach 25 °C.1

The upper jaw of the stonecat projects beyond the lower jaw.1

给毒液专家

学名: Noturus flavus
类别: 有毒的鱼
家人: Ictaluridae2
排序: Siluriformes
大洲: 北美洲
宝宝: Males guard the clutch of eggs under large, flat rocks, and a female may produce between 200 and 1,200 eggs per year.1
寿命: 约 6 年1
它在野外过得怎么样: Not threatened, according to the US Endangered Species Act1
对人的危险: 2 / 5: 很疼3