Click tank to tap glass · Right-click to scatter fish · Feed or click water for food drops
```
This creates a fully interactive aquarium simulator with:
## 🐠 Fish Species (6 types)
- **Neon Tetra** — small, schooling, glowing neon stripe
- **Betta** — large flowing fins, territorial
- **Goldfish** — round body, grazer near bottom
- **Guppy** — tiny darting fish with fan tail
- **Discus** — hovering, round with colored stripes
- **Clownfish** — oval with white stripes
## 🎮 Interactions
- **Click tank** → tap glass, nearby fish scatter in panic
- **Right-click** → scare ALL fish
- **Feed Fish button** → drops food pellets that sink and dissolve
- **Fish track your mouse** with their eyes
- **Add Fish** → spawns a new fish from the right edge
## 🌊 Visual Features
- Animated swaying plants with leaf details
- Rising bubbles with glass highlights (including plant-spawned)
- Light ray effects and caustic patterns
- Wavy sand/gravel bottom with rocks
- Click ripple effects on the glass
- Bioluminescent particles in Deep Ocean theme
- Warm ambient particles in Sunset theme
## 🎨 4 Themes
- **Clear Water** — bright blue with light rays
- **Sunset** — warm orange/purple tones
- **Deep Ocean** — dark abyss with glowing specks
- **Moonlight** — cool blue night scene