Guides
Every guide on the site, by section.
All guides
Minimum enclosure size chartThe minimum enclosure, tank or cage for reptiles, amphibians, tarantulas, hermit crabs, fish, shrimp, small pets and cage birds, by source, with temperatures. Printable PDF. What does an African dwarf frog need?A care sheet handed out at reptile shows: at least 24 x 12 x 12 in for adults, water at 72 to 78 °F, gentle filtration, a tight lid and a group of three to five. What does a jumping spider need?A shop's care sheet for the regal jumping spider: a vertical enclosure, strong cross ventilation, a room at 70 to 78 °F and no heat pad or lamp. Fish tank sizes chartAqueon's tank labels, 2½ to 210 gallons, to outside length, width and height in inches and cm, with floor area, other makers' sizes and terrariums. Printable PDF. How to cycle a new fish tankRun the filter, test for ammonia and nitrite, and add fish once both stay at zero. RSPCA, RSPCA Australia and UF/IFAS differ on how long it takes. What size crate for my dog?Measure your dog nose to tail base and floor to head, add Petmate's 3 to 4 in or Diggs' 2 to 4 in, and compare inside sizes. What size dog bed?Measure your dog standing, then add Charley Chau's 25 percent or Earthbound's up to 15 cm, and compare with the bed's inside size. What size harness for my dog?Measure the girth behind the front legs and match it to Ruffwear's Front Range, PetSafe's Easy Walk or Hurtta's Seeker chart, in inches and cm. What size collar for my dog?Measure around the neck, match it to Ruffwear's Front Range or Hurtta's Rover chart, and leave room for two fingers under the collar. What size cone for my dog?Wilson Veterinary says to fit a cone to the neck and have it reach several inches past the nose. The Comfy Cone chart, and KONG's E-Collar Cloud by weight. What size dog door?Measure shoulder width and back-to-chest height and pick a flap bigger than both. Ideal Pet and PetSafe flap and cutout sizes, and each door's weight range. What size coat for my dog?Measure back length and chest girth for Hurtta's and Canada Pooch's charts; Ruffwear sizes its coats by girth alone. What size toy or ball for my dog?A toy should be too big to swallow. KONG Classic sizes by weight, KONG's choking line, and Chuckit! Ultra Ball diameters. Airline cargo crate size for dogsIATA's formula: length is nose to tail base plus half the elbow height, width twice the shoulders. With what the crate must be for air travel. What does a new puppy need?The ASPCA's dog supply checklist, with how to size the crate, collar, harness and toys for a puppy that's still growing.