This can happen 3 to 4 weeks after the eggs are laid. This can affect all of your invertebrae if brought into the tank. Crayfish is a popular dish in Sweden and Finland, and is by tradition primarily consumed at a crayfish party, called kräftskiva, during the fishing season in August.The boil is typically flavored with salt, sugar, ale, and large quantities of stems and flowers of the dill plant. Be careful to use only reputable shops that care well for the animals they sell. You may want to check this article Flowerhorn fish: Food, lifespan, care, types and tank size. First of all, yes blue crayfish will eat just about any and everything. Luckily, you can tell the two … Caution should be exercised when keeping large crayfish. You can see her waving water onto the eggs, cleaning them, and more. So in short, no Thu Jul 31, 2008 10:23 pm Can you eat all types and whitch ones are the best to eat i have a pond on the west side of the state and boy is their a lot of big i mean the biggest crayfish i have ever seen. Blue crayfish Feeding. The mother crayfish will try to eat the young, so try to separate them as soon as possible. This includes live plants. 1 Live Electric Blue Lobster, Freshwater Crayfish (2+ Inch Young Adult) by Aquatic Arts. While most Americans eat them warm, the Swedes and Finns normally eat them cold. Crayfish are omnivorous and will eat other fish and crayfish whether they are live or dead, vegetables, and aquatic plants. Many pet shops have blue crayfish, or can order them for you. Multiply it by 420 eggs – every year one female can have up to 1500 babies! Ralley said the area of Falcon Lake where the rusty crayfish were found no longer has any native species left. The bulk of the vegetables they consume in the wild are aquatic plants. If you flip your electric blue crayfish over, you’ll notice claspers behind the legs on the male and sperm receptacles behind the legs on the female. The crayfish make great mothers and will protect the eggs until they are ready to hatch. You can shake the babies off the mom two days after they hatch, sometimes sooner. They eat about twice as much as our native species." However, most aquarists don’t make a habit of turning their crays over. I prefer to keep the babys in the same waer they were hatched in until they grow to 1/4 ". Absolutely astonishing. The omnivores are electric Blue Crayfish. Crayfish can also be found in ponds, rivers and streams where the water is slow moving and shallow. Crayfish tend to live under rocks and emerge at night to feed on any food source they can find. Marbled crayfish can reproduce approximately every 3 months (up to 7 – 8 reproduction cycles during its lifespan of 2 to 3 years). The crayfish will kill and eat what it can if it's large, but when it molts it's irresistable to cichlids and they will enjoy eating him. The general rule with crayfish is: if it can catch it, it WILL try to eat it! Secondly, the 3 small orange crayfish you mentioned sound like standard CPO (dwarf orange crayfish) which can reach up to over an inch long, and have a lifespan of about 3 years. Online retailers also sell blue crayfish that are shipped directly to you. This crayfish will breed with a mate in home freshwater aquariums! If you’re worried about other fish eating the babies, you can … As it commonly affects crayfish in the wild, so be careful if you buy a wild-caught Electric Blue Crayfish. Note #2: The Marmorkrebs crayfish can be aggressive to their young. Electric Blue Lobster, Freshwater Crayfish – Adult. Can order them for you also be found in ponds, rivers and streams where the water is moving... 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