marine crustacean care sheet Marine crustaceans are best known for their joined outer shell. Many shed or molt their hard exoskeleton as they grow. Crustaceans, such as crabs, shrimp and lobster, can be vivid in color and fast-moving. facts average adult size: 2 to 12+ inches long, depending on species average life span: depends on species diet: omnivore and herbivore, depending on species minimum aquarium size: 29 to 50 gallons, depending on species water temperature: 72 to 78°F specific gravity: 1.023 to 1.025 Note: The information on this Care Sheet is not a substitute for veterinary care. If you need additional information, refer to the Sources section or contact your veterinarian as appropriate. Developed with and approved by a qualified veterinarian. marine crustacean Developed with and approved includes shrimp, lobsters, hermit crabs, emerald by a qualified veterinarian. crabs, decorator crabs and care sheet sally lightfoot crabs diet housing normal behavior compatability A well-balanced marine n Keep in an appropriately n Small crabs and shrimp n Marine crustaceans are crustacean diet consists of: sized aquarium; provide make excellent first usually not compatible n Frozen brine or mysis hiding places or caves, crustaceans. with mollusks, squid and shrimp. appropriate depth of octopuses. Caution should n Some crustaceans are substrate based on species be used when adding n Usually feeds off excessive known to eat small fish and plenty of décor for crustaceans to a tank that food or debris in the tank. and invertebrates. marine crustaceans to contains slow-moving n Certain species are protect themselves. n May become aggressive aquatic life or aquatic life herbivores and eat algae. toward some species in known to eat crustaceans. n Use of copper-based smaller aquariums. feeding medications is toxic to signs of a n Many species provide Things to remember when crustaceans. healthy crustacean great natural algae and feeding your marine n The use of an iodine parasite control. n Healthy appetite crustacean: supplement can be n Feed 2 to 3 times a day. beneficial during a habitat n Even coloring n Thaw frozen food crustacean’s molting maintenance n Sleek, non-pitted shell and process. before feeding. n Daily: Check filter, water legs (applicable to certain n Stable water quality temperature, specific species) gravity and other equip- and parameters are n Avoid overcrowded ment. critical to the health of conditions, which are aquatic life. If you are n Weekly: Check water a major cause of stress unsure of your water quality at least once a and disease. Maintain quality, Petco provides week. good water quality with regular water changes free water testing. n Monthly: Change 10 to and adequate filtration. 25% of the total volume of water every 2 to 4 weeks, or as needed. Introduce new inhabitants to the aquarium gradually. red flags common health issues n Loss of color Health Issue Symptoms or Causes Suggested Action or appetite Body or surface Poor water quality; nutrient Test and treat water n Spots or fungus erosion deficiency. immediately; maintain on body proper diet. Loss of Fighting between Will usually n Erratic movements appendage or crustaceans or due to an regenerate. An antennae aggressive fish. iodine supplement n Disfigurement can help with the molting process. n Missing limbs or antennae If you notice any of these signs, test water quality and improve as necessary. shopping list for needed supplies q Appropriately sized aquarium q Appropriate food, dry and frozen q Décor q Water conditioner q Marine aquarium salt q Filter q Water test kit q Full spectrum lighting q Net q Thermometer q Protein skimmer (recommended) q Marine substrate q Heater q Hydrometer q Book about marine crustaceans sources Ask a store partner about Petco’s selection of books on marine crustaceans and the variety of private brand products available for the care and happiness of your new pet. All private brand products carry a 100% money-back guarantee. Because all aquatic life are potential carriers of infectious diseases, such as Atypical Mycobacterium and Salmonella, always wash your hands before and after handling your aquatic life or habitat contents to help prevent the potential spread of disease. Pregnant women, children under the age of 5, senior citizens and people with weakened immune systems should contact their physician before purchasing or caring for aquatic life and should consider not having aquatic life as a pet. Go to cdc.gov/healthypets and petco.com/caresheet for more information about aquatic life and disease. This Care Sheet can cover the needs of other species. Go to petco.com for more information. © 2016, Petco Animal Supplies Stores, Inc. All rights reserved. (06/2016).