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水蝎© KENPEI / CC BY-SA 3.0

水蝎

The water stick insect is a slender aquatic true bug known for its praying-mantis-like grasping forelegs and a breathing tube nearly as long as its own body. It waits patiently near the water's surface with its tube extended, then strikes quickly at small aquatic prey with those forelegs. Among aquatic true bugs, it stands out for strong flight ability, often taking to the air even during daytime to relocate to new water bodies. Watching its patient hunting style makes it a rewarding species for observation, though it's best suited to keepers with some prior experience.

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关于水蝎

The water stick insect is an aquatic true bug with mantis-like forelegs and a long breathing tube, reaching 40-50mm as an adult. Suited to keepers with some experience, it offers a fascinating ambush-hunting behavior to observe.

迎接水蝎前需要了解的7件事

  1. 1Slender Body and Breathing Tube

    Adults have a slender body reaching about 40-50mm, paired with a breathing tube nearly as long as the body itself. Since they extend this tube to the water's surface to breathe, an environment with plants or perches to grip onto is essential.

  2. 2Prefers Still Water

    They favor calm, still water rather than strong currents, so keep water movement in the tank minimal. Provide plenty of aquatic plants to serve as hiding spots and footholds for breathing.

  3. 3Ambush Hunter with Grasping Forelegs

    Using mantis-like grasping forelegs, they quickly seize small creatures that come within reach. They spend much of their time motionless in ambush rather than actively swimming around.

  4. 4Strong Flying Ability

    Among aquatic true bugs, this species has notably strong flight ability and often takes flight during the day to move around. A secure lid on the enclosure is necessary to prevent escapes.

  5. 5Live Food is the Basic Diet

    They prefer live, moving prey such as mosquito larvae and small crustaceans, and rarely take to artificial food. Be prepared for the extra effort involved in securing and managing a steady live food supply.

  6. 6Importance of Water Quality

    As an aquatic insect, water quality management is important. Regular water changes and removing surface debris or film that could clog the breathing tube are necessary maintenance tasks.

  7. 7Preparation Before Bringing One Home

    This species is considered suited to keepers with some experience, requiring simultaneous attention to water quality, water flow, and live food supply. It's recommended to set up the enclosure fully before bringing one home.

水蝎的常见问题

Q.Can beginners keep a water stick insect?
A.The water stick insect is considered suited to keepers with some experience. It requires ongoing water quality management and a steady live food supply, so prior experience with aquatic insects is helpful.
Q.Will it eat artificial food?
A.Water stick insects tend to prefer live, moving prey and generally don't take well to artificial food. You'll need to provide live food such as mosquito larvae.
Q.Can it escape from the enclosure?
A.Water stick insects have notably strong flight ability among aquatic true bugs and may fly during the day. A secure lid on the enclosure is important to prevent escapes.
Q.What kind of tank setup suits it best?
A.They prefer still water with minimal current, so a tank with gentle or no water flow is ideal. Add plenty of aquatic plants to give them footholds for extending their breathing tube to the surface.
Q.How big does an adult get?
A.Adults reach approximately 40-50mm in body length. Combined with its long breathing tube, its slender form can appear even longer than the body size alone suggests.

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