Eau douce Invertébrés "Crystal Red" shrimps in a 25 liter aquarium Hello, possibly, the orange animal is a dwarf crayfish (Cambarellus patzcuarensis 'Orange', often referred to as "Mexican Orange" dwarf crayfish)? 10 - 15 animals are alright;... Voir la réponse complète
Eau douce Invertébrés Keeping Spinycheek Crayfish (Orconectes limosus) Hello, Concerning "plants":sooner or later this will most likely turn out to be "take them apart" and at least partly "eat them"! Concerning "food":the crayfish will literally eat... Voir la réponse complète
Eau douce Invertébrés Snails: how many should I add, and how can I monitor and increase water hardness? Hello, this is exactly the right attitude, snails are unfortunately too often considered a "pest", which they are not! Just add a few trumpet snails, their number will regulate by... Voir la réponse complète
Eau douce Invertébrés Worms and Hydra Hello, Concerning "flalworms/Hydra":flatworms are one possibility considering the animals that creep on the glass pane, however threadworms (nematodes) or oligochaetes are also... Voir la réponse complète
Eau douce Invertébrés Fish as snail removers? Hello, I can only urgently advise against adding fish as "snail killers"! It usually concerns Clown Loaches and various pufferfish species. These fish are entirely unsuitable for... Voir la réponse complète
Eau douce Invertébrés Jumping animals on the water surface / Springtails (Collembola) Hello, these for sure are springtails (Collembola). They are very common (for instance, they can also frequently be found in flowerpots) and entirely harmless. They even serve as... Voir la réponse complète