Details on the gilt tail are below along with red worms:
Dendrodrilus rubidus
Common name: Bank worm, tree worm or gilt tail. Habitat: Woodland species often found in rotting wood, under stones and in organic matter. Ecological Grouping: Litter dwelling
Characteristic Behaviour: When disturbed may arch its body bringing head and tail towards each other and then apart in a vigorous motion.
Characteristic features
Colour: Dark red above, pale below with conspicuous yellow or orange tail region Size: Small (Length 20-100 mm)
Eisenia fetida
Common name: Brandling or tiger worm. Habitat: Found in rich organic soils e.g. under rotting leaves and in compost heaps. Ecological Grouping: Litter dwelling
Characteristic features: Colour: Banded red and white (striped) along length of body Size: Medium (length 60-120 mm)
Characteristic Behaviour: Exudes a fetid smell if handled roughly (hence name). May be easily confused with Eisenia (Dendrobaena) veneta. In direct comparison Eisenia veneta is generally larger and the clitellum (saddle) is located closer to the head end.
for more details go to
http://www.uclan.ac.uk/facs/science/...ml_species.htm
I personally fished with Reg who insisted on keeping them in spagnum moss to harden them and fed them every few days with a spoon ful of cream always ensuring that it did not sour the moss. This hardened them and a bucket of brandlings would keep all season