Chaetoceros coarctatus
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| Chaetoceros coarctatus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Clade: | Sar |
| Clade: | Stramenopiles |
| Division: | Ochrophyta |
| Clade: | Bacillariophyta |
| Class: | Thalassiosirophyceae |
| Order: | Chaetocerotales |
| Family: | Chaetocerotaceae |
| Genus: | Chaetoceros |
| Species: | C. coarctatus |
| Binomial name | |
| Chaetoceros coarctatus Lauder, 1864[1] | |
Chaetoceros coarctatus is a marine, unicellular species of planktonic diatom in the genus Chaetoceros, first described by Lauder in January 1864 using samples from the Hong Kong harbor.[1] Like many diatoms, it is preyed upon by ctenophores.[2][3] During warming periods of the Mediterranean Sea, this non-native species, first introduced through the Suez Canal, expands its range.[4] Cell chains showcase pairs of posterior and anterior terminal setae, as well as intercalary setae, for anti-predatory mechanical protection and floating benefits.[5] These silica appendages have spines, curved tips, and are longer those on other members of the Chaetoceros genus for higher survival benefits.[6]
