Pseudoceros bedfordi Laidlaw, 1903
Pseudobiceros bedfordi is a large polyclad flatworm approximately 8-10 cm in length. It has a distinctive pattern consisting of a brown to black background, with multiple transverse, bilateral pink lines around thousands of tightly spaced, bright yellow spots, pink undulating spots with stripes on the sides of the body.
The edges of the body are usually ruffled. The underside of Pseudobiceros bedfordi is pale pink. The front of the body has a pair of erect pseudotentacles.
This worm is fast-moving, and is able to swim by undulating its body.
Like all flatworms in the genus Pseudobiceros, they are hermaphroditic and have two penises. During mating, they fence with one another, using their penises, attempting to stab and inject sperm in their opponent, while avoiding being fertilized by their opponent. They are able to inseminate their opponent by injecting their sperm into any region of the other's body they are able to penetrate. After successfully injecting the other, the spermatozoa stream through their partner's body on their way to ovaries, where they will fertilize the eggs. The stream is visible through the body tissue of the worm, appearing as pale streaks, like lightning jags.
- Persian carpet flatworms (Pseudobiceros bedfordi) on the Shores of Singapore
- WoRMS - World Register of Marine Species - Pseudobiceros bedfordi (Laidlaw, 1903)
- Arnqvist, Göran; Rowe, Locke (2005), Sexual conflict, Princeton University Press, ISBN 978-0-691-12218-2, p. 185
- Richmond, Matthew D. (1997), A Field Guide to the Seashores of Eastern Africa and the Western Indian Ocean Islands, IDA/Department for Research Cooperation, SAREC, ISBN 91-630-4594-X, p. 154
- Pseudobiceros bedfordi, Pseudobiceros bedfordi
- Pseudobiceros bedfordi (Laidlaw, 1903) - Pseudocerotidae » Nudi Pixel
- Hermaphrodites duel for manhood, Science News Online. Accessed 14 March 2009.
- PLoS Biology: Everything You Always Wanted to Know about Sexes
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