Micro worms, Anguillula silusiae, are threadlike organisms about 3 mm long. they make an excellent
supplement to a brine shrimp diet for baby fishes but by no means are they a satisfactory substitute for the
Cultures are best maintained in refrigerator jars of about 1-quart capacity. the culture medium is usually a
mixture of 3 parts Pablum or Ceravim to 1 part of yeast, made into a paste with the addition of water. this food is
poured to 1 cm depth in each refrigerator jar and a few worms inoculated into the medium. Since most of the micro
worms are females, which reproduce, seemingly without the aid of a male, by giving off living young, it is not too
long before the culture is ripe enough for harvesting. Usually when the culture is properly growing the excess
worms will start to climb up the sides of the container and from this position they are easily scraped, either with
a finger or a stick, and introduced to the small fishes. the worms will live for hours in aquarium water.
The refrigerator jars should be fitted with covers and the covers should be sealed to the containers with a
plastic or cloth tape. this ensures that the medium will not dehydrate. Once the culture diminishes in productivity
it is time to change the medium. One small culture may be used to inoculate hundreds of other cultures. It is wise
to have several cultures running at the same time as accidents do happen and every so often a culture may turn
sour. Never maintain a culture for more than 2 weeks.
Once fishes like guppies, white clouds, and neon´s have been introduced to the worms when they are hungry, they
will usually eagerly await their introduction at later times. Under no conditions should these worms be offered as
a sole diet, for they are lacking in many of the essential constituents of a balanced diet.
Mosquito Larvae, Earthworm, and Bloodworm
Mosquito pupae, or mosquito larvae as the aquarium trade calls them, make fine foods for tropical fishes. they
are usually found in the summer along with Daphnia. Being surface breathers, they do not offer the same problems as
Daphnia, and they may be stored in small containers and kept alive a longer period of time than the daphnioids.
Care should be exercised that the pupae are not kept long enough for them to hatch into mature mosquitos.
Earthworms and bloodworms make excellent fish food for animals, which are large enough to ingest them. this feat
is usually attributable only to the larger cichlids. To make the worms small enough for the normal run of aquarium
fishes it is necessary to chop them into small pieces, wash them thoroughly in a fine net, and feed them in small
(source from: http://www.brooklands.co.nz/wardley/wgold.htm)