Description
Overview
The Three-Spined Stickleback is a small, fascinating freshwater fish known for its distinctive three dorsal spines and streamlined body. Renowned for its interesting behavior, including nest-building and territorial displays, it is an excellent choice for observing natural fish behaviors in community or species-specific tanks.
OriginNorthern Hemisphere – Europe, Asia, and North America
Feeding- Omnivorous: feeds on small invertebrates, crustaceans, insect larvae, and micro-pellets
- Will also accept frozen or live foods such as daphnia and brine shrimp
- Peaceful small fish and invertebrates
- Avoid larger or aggressive species that may prey on them
- Males can be territorial during breeding season
- Generally peaceful outside breeding periods
Beginner to intermediate
Water Parameters- Temperature: 10–22°C (50–72°F)
- pH: 6.5–8.0
- Hardness: Soft to moderately hard
- Provides excellent opportunities to observe unique behaviors like nest building and courtship
- Thrives in aquariums with plants, rocks, and hiding spots
- Adds both activity and natural charm to freshwater tanks
A small, hardy, and behaviorally fascinating fish, ideal for aquarists interested in natural freshwater behaviors and a peaceful community species.
DX courier delivery is £20 per livestock order.
Delivery is scheduled for your selected delivery date and typically arrives before 1pm.
There is no minimum or maximum order value.
Additional information:
- In-stock livestock orders will be processed and dispatched for delivery on the date selected on the cart/basket page.
- Available delivery days are Wednesday, Thursday, Friday, and Saturday.
- If any stock issues affect your chosen delivery date, we will contact you as soon as possible by email or telephone.
- Shipping for dry goods is charged separately from livestock delivery. Dry goods are dispatched according to our standard delivery policy.
- All livestock remains covered by our 7-day guarantee.

