Overview

Distribution

Eastern Atlantic and Mediterranean, from France to Cape Verde
  • Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

Depth range based on 16 specimens in 1 taxon.
Water temperature and chemistry ranges based on 16 samples.

Environmental ranges
  Depth range (m): 5.5 - 7
  Temperature range (°C): 16.269 - 16.269
  Nitrate (umol/L): 1.692 - 1.692
  Salinity (PPS): 37.969 - 37.969
  Oxygen (ml/l): 5.382 - 5.382
  Phosphate (umol/l): 0.229 - 0.229
  Silicate (umol/l): 1.778 - 1.778

Graphical representation

Depth range (m): 5.5 - 7
 
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Wikipedia

Aplysia depilans

Aplysia depilans, the "depilatory sea hare", is a species of sea hare or sea slug, a marine opisthobranch gastropod mollusk in the family Aplysiidae. Its common name refers to the belief of fishermen that it caused hair loss. It was also erroneously said to have been the source of poison that was used to assassinate the Roman Emperor Titus.

Contents

Distribution

This sea hare occurs in the eastern Atlantic and the Mediterranean. It can be found mostly in shallow water of about 1.5 to 10 m. It avoids the intertidal zone because the animals cannot absorb atmospheric oxygen and so die after stranding relatively quickly. Occasionally some are trapped in tide pools at low tide.

Description

Individuals can grow up to 40 cm long and weighs up to 380 g. Their skin is dark brown to reddish brown, with white to light brown blotches. It has a yellow inner shell that is thinner, flatter and more poorly calcified than other sea hares and measures about 1.5 cm long.

Behavior

When threatened they emit a white or purple ink. Aplysia depilans are one of the seven species of the genus which are known to swim occasionally rather than crawl. Although hermaphrodites, they cannot self-fertilize and require a partner.

Ecology

The adults feed primarily on algae of the genus Ulva, especially sea lettuce Ulva lactuca. During the planktonic phase of life they eat single-celled phytoplankton.

References

Creative Commons Attribution Share Alike 3.0 (CC BY-SA 3.0)

Source: Wikipedia

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