Classification
Within iNaturalist.org

All Names

  • English
    • Gordian worms
    • Horsehair Worms
  • Scientific Names
    • Nematomorpha

Extras

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Creative Commons Flickr Photos Tagged "Nematomorpha."
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Recent observations

Photos / Sounds

What

Horsehair Worms Phylum Nematomorpha

Observer

johnb-nz

Date

October 8, 2014

Description

Found in Goldfish pond, length approx. 200mm.

Photos / Sounds

6987439694_a646cd737f_s

What

gordian worms Phylum Nematomorpha

Observer

m_jon

Date

April 2, 2012 04:02 PM NZST

Description

these internal parasites of the likes of weta and spiders cause their worm-filled hosts to stagger towards water. We found this worm in a kick sample of the stream.

Photos / Sounds

Square

Observer

kueda

Date

September 23, 2014 09:39 AM EDT

Description

Horrifyingly firm.

Photos / Sounds

Observer

ivijayanand

Date

September 19, 2014 09:57 AM IST

Description

Location: Makunda Christian Hospital, Karimganj District, Assam

Date: 21st September 2014

Equipment: Nikon D800 with Micro-Nikkor 105mm

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

lgordon

Date

May 8, 2011

Description

@9am horsehair worm caught near toad/frog tadpoles

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

cotonpinto

Date

June 26, 2010

Description

Gusano nematomorfo del genero Gordius en un arroyo cercano a Hueyapan, sierra norte de Puebla.

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

cohen

Date

August 6, 2014 04:04 PM EDT

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

coachwhipbooks

Date

April 20, 2014

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

trentmm

Date

May 18, 2013

Description

Common name, horsehair worm. Amazing creatures. We found a couple of them in the day time and went back at night and found several that were breeding in pools of water that were drying up.

Photos / Sounds

Square

What

Horsehair Worms Phylum Nematomorpha

Observer

dgreenberger

Date

February 13, 2014 08:40 AM PST

Description

Found next to a dead potato bug.

Photos / Sounds

No photos or sounds

What

Horsehair Worms Phylum Nematomorpha

Observer

texasblonde

Date

October 13, 2013 11:28 AM CDT

Photos / Sounds

What

Horsehair Worms Phylum Nematomorpha

Observer

muir

Date

September 15, 2013 08:11 AM EDT

Description

After a rain, I found this very thin worm-like thing. It was white, other than a dark front tip, and thin like a plant root tip. I saw two of them.

View all observations

Description from Wikipedia

Nematomorpha (sometimes called Gordiacea, and commonly known as horsehair worms or Gordian worms) are a phylum of parasitoid animals superficially similar to nematode worms in morphology, hence the name. They range in size in most species from 50 to 100 centimetres (20 to 39 in) long and can reach in extreme cases up to 2 metres, and 1 to 3 millimetres (0.039 to 0.12 in) in diameter. Horsehair worms can be discovered in damp areas such as watering troughs, swimming...

No range data available.