{"product_id":"octopus-tetricus","title":"Common Octopus (Octopus tetricus)","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eBiosecurity Shipping Limitations apply\u003c\/h3\u003e\n\u003ch4\u003eShipping Allowed?\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 79.3749px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5972px;\"\u003eTasmania\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5972px;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #6bb71f;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNO\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5972px;\"\u003eWestern Australia\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5972px;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5972px;\"\u003eNorthern Territory\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5972px;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5833px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 20.5833px;\"\u003eAll Other States\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 20.5833px;\"\u003e\u003cspan style=\"color: #6bb71f;\"\u003eYES\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" dir=\"auto\" data-start=\"63\" data-end=\"400\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eCommon Octopus (Octopus tetricus)\u003c\/span\u003e\u003cspan\u003e, also known as the Gloomy Octopus or Sydney Octopus, is an intelligent and fascinating cephalopod native to Australian and New Zealand waters. Renowned for its remarkable problem-solving abilities, colour-changing skin and extraordinary camouflage, this species is one of the most interesting animals encountered in the marine environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike traditional aquarium fish, octopuses display complex behaviours, individual personalities and an impressive ability to interact with their surroundings. They can change their colour, texture and body shape within seconds, allowing them to blend into surrounding rocks, sand and reef structures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus is particularly recognised for its mottled brown, grey and reddish colouration, although it can display a wide range of patterns depending on its mood, environment and activity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNatural Habitat and Appearance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOctopus tetricus\u003c\/span\u003e\u003cspan\u003e occurs naturally in coastal waters of southern Australia and New Zealand, inhabiting rocky reefs, caves, crevices and areas of broken reef structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt has a soft, rounded mantle and eight flexible arms lined with powerful suction cups. These arms are used for exploring, capturing prey, manipulating objects and navigating its surroundings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts skin contains specialised pigment cells called chromatophores, allowing rapid colour changes. It can also alter its skin texture to imitate surrounding surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBehaviour and Intelligence\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus is exceptionally intelligent and inquisitive. It regularly explores its environment, investigates objects and can learn through experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a solitary and territorial animal that generally prefers having its own den or sheltered retreat. Providing a secure hiding area is essential, as octopuses naturally spend considerable time inside dens when resting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis species is also a capable escape artist. Its flexible body allows it to squeeze through surprisingly small openings, making a completely secure aquarium essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAquarium Suitability and Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus is an advanced specialist aquarium animal and is not suitable for a typical community marine aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt should generally be housed individually in a dedicated species aquarium. Fish, shrimp, crabs, snails and other ornamental invertebrates may be viewed as potential prey.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA carefully designed aquarium should include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eExtensive rockwork and secure hiding places.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eA dedicated den or cave.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eOpen areas for exploration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eExcellent biological filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eStrong, reliable water circulation and oxygenation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eA completely secured lid with protected openings and plumbing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eParticular attention must be given to pumps, overflows, plumbing and other potential escape routes. Even small gaps can present a serious risk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeeding and Nutrition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus is a carnivorous predator that primarily hunts at night. In the wild, it feeds on crabs, lobsters, snails, mussels and other shellfish, using its powerful arms and suction cups to capture and manipulate prey.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts strong beak is used to break into shells and consume prey. In captivity, a varied diet of suitable marine foods is essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable foods include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eMarine crabs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePrawns and shrimp.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eMussels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eClams.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCockles and other shellfish.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eOther appropriate marine crustaceans.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFeed appropriately sized portions and remove uneaten food promptly to prevent deterioration in water quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific Care Requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus is a temperate-water species, so it should not automatically be maintained under standard tropical reef aquarium conditions. Temperature requirements should reflect the animal's collection location and be managed with appropriate temperature control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExcellent water quality, high dissolved oxygen and effective biological filtration are essential. Octopuses are particularly sensitive to deteriorating water conditions, making regular monitoring important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA dedicated aquarium with a secure, escape-proof enclosure is essential. Pumps and filtration intakes must be protected to prevent injury, and all openings must be sealed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is also important to understand that octopuses are naturally short-lived animals. Available research indicates lifespans can range from approximately 11 months to two years, depending on location and environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an exceptional animal for specialist cephalopod keepers, but its intelligence, specialised requirements and relatively short lifespan make it unsuitable for inexperienced aquarists. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cspan\u003eThe Australian Museum\u003c\/span\u003e\u003cspan\u003e+3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eQuick Care Guide\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eCare Requirement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eScientific Name\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eOctopus tetricus\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCommon Names\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCommon Sydney Octopus, Gloomy Octopus\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eFamily\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eOctopodidae\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eEastern Australia and northern New Zealand\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCare Level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eExpert\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAdult Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eBody length up to approximately 80 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Arm Span\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eUp to approximately 2 metres\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eUp to approximately 2.6 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMinimum Aquarium Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLarge, dedicated species aquarium; no validated minimum established\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTemperate marine conditions; collection-origin dependent\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003epH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eStable natural seawater conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSalinity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eNatural marine seawater\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eDiet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCarnivore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eFeeding Frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eIndividual requirements; monitor body condition\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTemperament\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSolitary and territorial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSwimming Level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eBottom dwelling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eReef Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eNot suitable for community reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAquarium Type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eDedicated specialist marine aquarium\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLifespan\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eApproximately 11 months–2 years\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eImportant: Captive-care parameters for this species are not as well established as those for commonly kept marine fish. Temperature and aquarium specifications should be determined with specialist cephalopod husbandry advice rather than applying generic tropical reef settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e1. How big does a Common Octopus grow?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Common Octopus can reach a body length of approximately 80 cm, with an arm span of up to 2 metres. It is a substantial animal requiring a carefully designed aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. Can Common Octopuses be kept with fish?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey are generally unsuitable for community aquariums. Fish, shrimp, crabs and other invertebrates may become prey. Individual housing in a dedicated aquarium is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. What does a Common Octopus eat?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a carnivore that naturally feeds on crabs, prawns, snails, mussels and other shellfish. A varied diet of suitable marine prey is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4. Can a Common Octopus change colour?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. It has specialised pigment cells called chromatophores that allow it to change colour rapidly. It can also alter its skin texture to help camouflage itself against rocks, sand and other surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5. How long does a Common Octopus live?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a relatively short-lived species. Research indicates lifespans of approximately 11 months to two years, although longevity varies with environmental conditions and geographical population.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6. Can a Common Octopus escape from an aquarium?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Octopuses are exceptional escape artists. Their flexible bodies allow them to squeeze through surprisingly small openings. A completely secured aquarium, including protected plumbing, overflows and equipment openings, is essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Mistakes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e1. \u003c\/span\u003e\u003cspan\u003eKeeping it in a standard tropical reef aquarium:\u003c\/span\u003e\u003cspan\u003e This is a temperate-water species. Temperature requirements must be appropriate to its geographical origin rather than automatically matching tropical reef conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. \u003c\/span\u003e\u003cspan\u003eUnderestimating its adult size:\u003c\/span\u003e\u003cspan\u003e An arm span approaching two metres means it requires considerable room and a purpose-designed aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. \u003c\/span\u003e\u003cspan\u003eLeaving openings in the aquarium:\u003c\/span\u003e\u003cspan\u003e Even small gaps around plumbing, lids and filtration equipment can become escape routes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4. \u003c\/span\u003e\u003cspan\u003eKeeping it with ornamental fish and invertebrates:\u003c\/span\u003e\u003cspan\u003e Its natural predatory behaviour makes most typical reef tank inhabitants unsuitable companions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5. \u003c\/span\u003e\u003cspan\u003eProviding an inadequate diet:\u003c\/span\u003e\u003cspan\u003e A varied selection of marine crustaceans and shellfish is important for maintaining condition and supporting natural feeding behaviour.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6. \u003c\/span\u003e\u003cspan\u003eNeglecting water quality:\u003c\/span\u003e\u003cspan\u003e Octopuses are sensitive to deteriorating water conditions. Maintain excellent filtration, oxygenation and consistent water chemistry.\u003c\/span\u003e\u003c\/p\u003e","brand":"Apex Aquatic","offers":[{"title":"Default Title","offer_id":51037519806603,"sku":null,"price":300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8353\/3195\/files\/common-octopus-octopus-tetricusapex-aquatic-3207694.jpg?v=1793758029","url":"https:\/\/apexaquatic.com.au\/products\/octopus-tetricus","provider":"Apex Aquatic","version":"1.0","type":"link"}