Updated: July 7, 2025

Fishing spiders, belonging to the genus Dolomedes, are large, impressive arachnids often found near bodies of water such as ponds, streams, and marshes. Known for their ability to walk on water and catch small aquatic prey, these spiders have fascinated many nature enthusiasts. However, their size and appearance can intimidate some people, leading to concerns about safety when encountering or handling them.

While fishing spiders are generally not aggressive toward humans and their venom is not considered dangerous, it is still important to handle them safely and respectfully. This article provides comprehensive tips for safely handling fishing spiders to ensure your safety and the well-being of the spider.

Understanding Fishing Spiders

Before discussing safe handling techniques, it’s crucial to understand a bit about fishing spiders:

  • Size and Appearance: Fishing spiders are large, with leg spans ranging from 2 to 4 inches (5 to 10 cm). They have a distinctive pattern of stripes or spots on their legs and bodies.
  • Habitat: They prefer habitats close to water such as ponds, lakes, streams, and wetlands.
  • Behavior: These spiders hunt by ambushing prey on or just under the water surface. They can run on water due to hydrophobic hairs on their legs.
  • Venom: Their venom helps subdue prey but is typically harmless to humans. Bites may cause mild pain, redness, or swelling but are rarely serious.

Knowing this helps demystify these creatures and encourages safer interactions.

Why Handle Fishing Spiders?

There are various reasons you might want to handle a fishing spider:

  • Relocation: To move a spider away from an area where it could be disturbed or where it poses a minor nuisance.
  • Observation: For scientific study or educational purposes.
  • Photography: To position the spider for better shots without harming it.

Regardless of the reason, handling should be done carefully and responsibly.

Tips for Safely Handling Fishing Spiders

1. Wear Protective Gear

Although fishing spiders are not aggressive and usually only bite in self-defense, wearing basic protective gear reduces the risk of injury:

  • Gloves: Use thick gloves such as gardening gloves or leather gloves to protect against bites.
  • Long Sleeves and Pants: Protect your arms and legs from accidental scratches or bites.
  • Closed-Toe Shoes: Prevent accidental crushing or stepping on a spider.

2. Use Tools Instead of Bare Hands

Avoid handling fishing spiders directly with your bare hands whenever possible:

  • Use Tweezers or Forceps: Gently pick up the spider by its legs using long tweezers designed for delicate work.
  • Catch with a Jar or Container: Slowly place a clear jar over the spider and then slide a piece of stiff paper or cardboard underneath to trap it inside.
  • Spider Catcher Tools: Specialized tools designed for catching and releasing spiders without harm can be purchased online.

Using tools minimizes direct contact and helps prevent startling the spider.

3. Approach Slowly and Calmly

Fishing spiders are sensitive to sudden movements:

  • Move slowly when approaching them.
  • Avoid making loud noises or vibrations near their habitat.
  • Speak softly if necessary; this can reduce stress for both you and the spider.

4. Avoid Squeezing or Grabbing Strongly

Fishing spiders have delicate bodies:

  • Never squeeze their abdomen; this can injure or kill them.
  • Hold gently by the legs if you must pick them up manually—preferably from behind so they don’t feel threatened.
  • Keep your grip minimal and steady.

5. Know When Not to Handle

Sometimes it’s best not to handle a fishing spider:

  • If the spider is in an inaccessible or dangerous location (e.g., near deep water).
  • If you notice signs of aggression such as raised front legs or rapid movement toward you.
  • If you are allergic to spider bites or unsure about your reaction.

In these cases, observe from a distance rather than attempting handling.

6. Relocate Carefully

If relocating a fishing spider:

  • Choose an appropriate new habitat nearby with similar water access.
  • Release the spider gently by tipping the container slowly onto solid ground rather than tossing it into the water abruptly.

Proper relocation ensures survival while removing potential conflict zones.

7. Wash Hands After Handling

Always wash your hands thoroughly after handling any spider:

  • Use soap and water to remove any potential allergens, dirt, or residue.
  • Avoid touching your face until hands are cleaned.

8. Educate Yourself About Local Species

Different regions may have species that look similar but behave differently:

  • Research local fishing spider species’ habits and venom potency.
  • Consult local wildlife experts if uncertain about specific species risks.

This knowledge improves safety during encounters.

What To Do in Case of a Bite?

Although bites from fishing spiders are very rare due to their shy nature, it’s good practice to know what steps to take if bitten:

  1. Stay Calm: Most bites cause minor symptoms only.
  2. Clean the Wound: Wash with soap and water immediately to reduce infection risk.
  3. Apply Ice Pack: Reduce swelling by applying ice wrapped in cloth for 10 minutes at a time.
  4. Use Over-the-Counter Painkillers: Acetaminophen or ibuprofen may help relieve pain.
  5. Watch for Allergic Reactions: Seek medical attention if you develop severe swelling, difficulty breathing, dizziness, or spreading redness.

Additional Precautions for Children and Pets

Children and pets are naturally curious but more vulnerable:

  • Teach children not to touch spiders without adult supervision.
  • Keep pets away from areas where large fishing spiders live to avoid bites.
  • If moving a spider indoors accidentally, carefully remove it outside using recommended methods rather than allowing pets access.

The Ecological Importance of Fishing Spiders

Respecting these arachnids also means understanding their role in ecosystems:

  • They control insect populations by feeding on mosquitoes, flies, aquatic insects, and even small fish or tadpoles.
  • They provide food for birds, amphibians, and other predators.

Safe interaction promotes conservation awareness rather than fear.

Conclusion

Fishing spiders are fascinating creatures that play important roles in aquatic ecosystems. While their size can seem intimidating, they are generally non-aggressive and pose little threat to humans if handled properly. By following these tips—wearing protective gear, using tools instead of bare hands, approaching calmly, avoiding squeezing, knowing when not to handle, relocating carefully, washing hands afterward, educating yourself about local species—you can safely interact with fishing spiders without harm to yourself or them.

Respectful and informed handling allows everyone—from casual nature lovers to educators—to appreciate these remarkable arachnids peacefully and safely. Remember that patience and care make all encounters more positive experiences with fishing spiders in their watery world.

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