Spawning Carp and Why We Should Let Them Be

  • Posted: 30th April 2025
  • Author: Billy Morris

Carp fishing has become one of the most popular pastimes in the UK, with thousands of anglers hitting the banks every year. However, understanding the natural behaviour of carp, particularly during spawning, is crucial for ensuring their health and the future of our fisheries.

When carp begin to spawn, it’s vital that we, as responsible anglers, give them the space and respect they need to reproduce safely and recover properly.

When Do Carp Spawn?

Carp typically spawn between late spring and early summer, when water temperatures reach around 17-20°C. In the UK, this spawning period usually falls between May and July, depending on the weather conditions each year.

Spawning generally takes place in shallow, weedy areas of lakes, where the environment provides ideal conditions for the female carp to safely lay their eggs.

Carp spawning in weed

Spawning generally takes place in shallow, weedy areas of lakes

How Carp Spawn

During spawning, carp become incredibly active. Groups of male fish will chase female carp around the margins, thrashing and nudging against them. The females then release their eggs, which the males fertilise immediately.

This process is extremely demanding and exhausting for the fish. After spawning, carp need time to rest, recover, and regain their strength. Disturbing them during this period can cause unnecessary stress and negatively impact their health.

Common carp spawning

Leave carp alone when they are spawning and allow them to recover afterwards

How Anglers Can Help

Recognise Spawning Behaviour

If you notice carp thrashing in the margins, gathering in shallow areas, or displaying aggressive behaviour, these are clear signs that spawning is either underway or about to start. When you see this, it’s best to move to a different part of the lake or consider fishing another venue where spawning may have already finished.

Respect Fishery Rules

Many fisheries will close their waters or certain areas when spawning begins. It’s essential to respect these rules and allow nature to take its course. Fisheries put these measures in place for a reason – to protect the very fish we all love to catch.

Practice Responsible Angling

If you are fishing during the spawning season, take extra care when handling any carp you catch. Minimise stress as much as possible – use wet unhooking mats, keep fish out of the water for the shortest time possible, and handle them with care.

Remember, we invest significant time and money each year pursuing these incredible fish. The least we can do is show them respect during one of the most important times in their life cycle.

Why It Matters

Allowing carp to spawn peacefully is vital for the long-term health of fish stocks. Successful spawning not only strengthens existing populations but also helps introduce new generations of carp into our lakes – ensuring the future of the sport we all love.

Fishing is about more than just catching; it’s about respecting the fish, understanding their natural cycles, and doing our part to keep our waters thriving for years to come.

Respect the spawn, protect the future.

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