Obtusoecia obtusata G.O. Sars, 1866
An epipelagic halocyprid ostracod - very rare in Svalbard waters
Size
|
min & max (mm) |
|
| female | 1.58 | 1.86 |
| male | 1.14 | 1.30 |
| A-1 | 1.04 | 1.34 |
| A-2 | 0.82 | 1.02 |
| A-3 | 0.56 | 0.80 |
Color and shape
- Transparent
- The smallest pelagic Ostracoda in Svalbard waters
- Specific in shape
- One symmetric gland at ventral posterior side of valves
- In adults symmetric glands visible at anterior side of valves
Habitat
- Oceanic, epipelagic, specific for Atlantic Ocean
- Correlated with inflow of Atlantic water to Svalbard waters (i.e. warmer temperature)
Feeding
- Detritivores
- Adapted to exploit different kinds of sinking particles
Life cycle
- Eggs scattered into water
- After egg it reaches A-6 juvenile stage
- Develop from A-6 juvenile stage till A-1 juvenile stage and then adult (Ad) in one year cycle
- Probably breeds systematically all year round but too few data to prove this statement in Svalbard waters
Page Author: Kasia Blachowiak
Created: Sept 28, 2010
