When kept singly, glowlight tetra is less attractive. It’s not because of the appearance of the fish itself. Keep the fish in isolation and it will be stressed.
It need company to stay healthy. So why did I start off with a solitary glowlight tetra? Probably because it’s small.
Complete Guide To Glowlight Tetra Care And Behavior
Why Solitary Glowlight Tetras Are Stressed
People tend to buys only one of any given species if they’re new to keeping fish. But redstripe species is a shoaling species, it needs its own kind for protection. When you ignore their instincts, trouble comes knocking.
The red stripe fade, aggression can escalate, and the fish hides out. The trick is knowing what the fish do in their world. So that’s where setting up your tank for the fish come in.
The Importance of Shoaling Behavior
To provide an environment that supports natural behavior. That include water flow, space, other fish…etc. Get those aspect correct and your tank become a living ecosystem.
And there’s the quantity. How many? At least six (eight or ten would be preferable).
Tank Size and Group Quantity
That may seem excessive for such a small tank but remember these are tiny little fish. Their max size is only about two inches. Eight will feel roomy, while a pair will feel exposed.
The safety factor also let them relax. And when they’re more relaxed, their movements will be smoother and that red stripe will glow even brighter. The tank setup matter just as much as the number of fish.
Setting Up the Tank Environment
Glowlights are shy. They likes an open area, preferably around the mid-lower water column. Plants is fine, but they shouldn’t be so dense that they obstruct the middle.
Schooling is key. The fish need space to do this. Otherwise, they tuck in tighter and may even separate into smaller group if there’s too much going on in the tank.
A clear path for movement allow them to do so all together. The other key factor are water parameters. The source waters for these fish is slightly acidic (pH 6.0, 7.0) and soft.
Ideal Water Parameters for Health
The lower hardness cause less stress. Hardness does affect osmoregulation. Osmoregulation is how fish manage water/salt levels within their body.
Soft acidic water is ideal for these fish. Lethargic and diseased fish are sign of stress. Staying on top of regular testing will give you stable conditions.
Perfect isn’t necessary, stability is. You need to select compatible tank mates carefuly because Glowlights are peaceful but not robust. They’re no match for faster or more aggressive species.
Choosing Compatible Tank Mates
Avoid any fish that’s territorial or nippy. Instead look for mid-water or bottom dwelling fish. Some great companions include Corydoras catfish, neon tetras, and cardinal tetras.
These species inhabit different parts of the tank so they reduce space competition. This create a balanced community. Schooling behavior depend on feeding habits.
Feeding Habits and Nutrition
Feeders that eat whenever they can (glowlights) consume small amounts of food often. Overfeeding result in poor water quality. The fish becomes sluggish.
Underfeeding results in stress due to competition for food. Feed a variety of pellets/flakes/frozen foods. Good food equal healthy fish.
Healthy fish exhibit better schooling behavior. They possesses higher energy levels and more vivid colors. Feeding provide an opportunity every day to reinforce good habits.
Signs of a Happy School
Finally, look at the fish. Look at their behavior. Are they grouped up?
Do they run around in all directions? Or do they swim gracefully together? That’s the answer to whether or not things are set up correctly.
Is everything about them right? Are they swimming together nicely? It is good.
Do they look like they’re hiding? Do they look separated? Something isn’t right.
Tweak the water conditions, the decorations, even the other tank mates until you have a nice bunch of them that appear healthy and naturaly. When you get it right, there’s no better reward than seeing that bright red stripe glowing on those fish. It would of been great to see them swim.
