Sepia apama
Adaptations?
The Australian Cuttlefish
The worlds largest cuttlefish
Habitat
Integumentary System
The Circulatory System
References
- Specialized skin pigment (chromatophores) and papillae for camouflage: including color and texture.
- Blends itself into its enviroment.
- "Sneaker males" disguise themselves as females.
- Has 3 hearts; two to pump blood to gills and one for the body.
- Closed: unlike most cephlapods
- Interesting fact: blood is blue-green from hemocyanin
The Nervous System
- "Aqua Marine Discovery: Cuttlefish." Aqua Marine Discovery. 25. Jan. 2015. Web <http://aquamarinediscovery.blogspot.com/2010/01/cuttlefish.html>.
- "Sepia Officinalis." Encyclopedia of Life. Web. 14. April. 2015. <http://eol.org/pages/448836/details>.
- "Kings of Camouflage." NOVA. NOVA, 1 Mar. 2007. Web. 27 May 2015. <http://www.pbs.org/wgbh/nova/camo/anat-nf.html>.
- "Cuttlefish (Sepiida)." A-Z Animals. Web. 14. April. 2015. <http://a-z-animals.com/animals/cuttlefish/>.
- Southern coast of Australia
- Occurring on: rock shores, reefs, sea grass beds, and sand/mud floors.
- Found to a depth of 100 meters.
- One of its favorite meals is crab
- Large brain: named most intelligent invertebrates.
- Believed to have polarization vision; which they are thought to even communicate through.
- Aids in escape and predation.
Challenges?
- Low anaerobic capability.
- Death follows mating cycle.
- Near threatened due to human consumption, bait, and fisheries.
- Cuttlebone limits depth.
- Water temperature dictates sex of offspring.