Crucian carp are a chubby fish with a high back and unlike other carp it does not have any barbules and is a much smaller member of the family.
Mainly found in ponds, lakes and some canals.
Mostly bottom feeders, they forage through the silt looking for food, in summer they occasionally rise to the surface to take other offerings.
Natural foods are planktonic and bottom feeding animals.

As in many other countries, you will find this species, a Victorian import from North America, in trout pools and lowland reservoirs.
Rainbow trout grow rapidly and are more tolerant of high water temperature than are our native brown trout.
In autumn the male fish, in particular, have much bolder pink 'rainbow' stripes along the flanks.

Catfish are slimy, scaleless fish that live in lakes and slow-flowing rivers.
They can grow to a metre long in our cold climate.
Catfish have been introduced into several stillwater fisheries in the British Isles including some in the Fylde.
They are an alien species to this country, and a keeping licence is now required under the Import of Live Fish Act (ILFA