Common name: spotted sea hare

Scientific name: Aplysia punctata (Cuvier, 1803)
Dotted sea-hare (Aplysia punctata) in Mediterranean Sea
Sea hare Aplysia punctuate mating 
From Oslo fjord, NorwaySea hare (Aplysia punctata)

General information

The Spotted Sea Hare, scientifically known as Aplysia punctata, is a distinctive marine gastropod mollusk. It is a member of the Aplysiidae family, commonly referred to as sea hares due to their large, rabbit-like 'ears' which are actually rhinophores that aid in sensing the environment. This species is known for its ability to release a cloud of purple ink as a defense mechanism against predators.

Details

Recommended minimum tank volume
100 liter (26 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
18 to 24 °C (64 to 75 °F)
Acidity
pH 8.1 to 8.4
Average size
20 cm (8″)
Care level
Moderate to easy Sensitive to water quality
Diet
Herbivore Feeds on algae and detritus
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Mollusks
    Mollusca
  3. Class
    Gastropods
    Gastropoda
  4. Order
    Sea Hares
    Anaspidea
  5. Family
    Sea Hares
    Aplysiidae
  6. Genus
    Sea Hare
    Aplysia
  7. Species
    spotted sea hare
    Aplysia punctata (Cuvier, 1803)
  8. Synonyms
    Aplysia albopunctata Deshayes, 1853
    Aplysia dumortieri Cantraine, 1835
    Aplysia ferussaci Rang, 1828
    Aplysia griffithsiana Leach, 1852
    Aplysia guttata Sars M., 1840
    Aplysia hybrida Sowerby J., 1806
    Aplysia longicornis Rang, 1828
    Aplysia marginata Blainville, 1823
    Aplysia mustelina Pennant, 1812
    Aplysia nexa Thompson W., 1845
    Aplysia nigromarginata Risso, 1818
    Aplysia stellata Risso, 1818
    Aplysia unicolor Risso, 1818
    Aplysia varians Leach, 1852
    Aplysia virescens Risso, 1818

Care

Sea Hares are herbivorous and require a diet rich in macroalgae, which also helps them blend into their surroundings. They are sensitive to water quality and require a well-established aquarium with stable parameters. Due to their large size and appetite, they are best suited for larger systems where they can roam and forage without disturbing smaller, more delicate tank inhabitants.

Reproduction

Spotted Sea Hares are hermaphrodites, possessing both male and female reproductive organs. They can form mating chains where one individual acts as a male to the one in front and as a female to the one behind. They lay eggs in long gelatinous strings, which can be seen attached to rocks or other surfaces in the aquarium.

Symbiosis

While not known for specific symbiotic relationships like clownfish and anemones, Sea Hares do play a role in the ecosystem by controlling algae growth, which can benefit other tank inhabitants by maintaining water quality and reducing competition for resources.

Habitat

Aplysia punctata is found in shallow waters along the European coastline, from the Mediterranean Sea to the North Atlantic Ocean. They prefer rocky substrates and seagrass beds where they can find ample food and shelter.