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| barnacles text index | photo index |
| Phylum Arthropoda > Subphylum Crustacea > Class Cirripedia |
| Parasitic
barnacle Thompsonia sp. Order Rhizocephala updated Oct 08 Where seen? These gruesome animals are often seen growing in flower crabs (Portunus pelagicus). Infected crabs are usually encrusted with non-parasitic barnacles and other animals and seaweeds. They usually move weakly and are generally in poor shape. Features: This barnacle grows through the body of the host crab like a root system. The parasite does not kill the crab but it does affect the crab's reproductive system such that the crab becomes infertile. |
 Changi, Apr 05 |
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 Chek Jawa, Feb 05 |
 Tiny egg sacs emerging through the joints. |
Parasitic barnacles on Singapore shores
 Pulau Sekudu, Apr 06  |
 Changi, Jun 05  |
 Chek Jawa, Oct 08  |
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