Burt's Blog

Hi everyone! Thanks for coming back to my blog! Today I want to talk a little about fish sensory systems. Don’t worry, I’ll focus more in depth on each sense later! Let’s see… where should I begin? Well did you know that I can see, hear, smell, and taste – just like you! My eyes work pretty similar to yours. Light is focused by a crystalline lens onto the retina. Like most fishes, I actually have really good color vision – that comes in handy when you’re really colorful like me. These bright colors can mean different things. My bright yellow coloring shows that I’m a dominant male defending a territory. Some of my friends are bright blue instead of yellow, but they’re also guarding a territory. Sometimes I have a dark bar across my eye. This is a sign of aggression, but sometimes it just means I’m stressed. I can also turn on and off a red patch on my body that I use during reproduction. I can hear sounds too! Even though I don’t have an external ear that you can see, I have an inner e...