Linckia laevigata (sometimes called the "blue Linckia" or Blue Sea Star) is a species of sea star in the shallow waters of tropical Indo-Pacific.
The Southern Crowned Pigeon, Goura scheepmakeri, is a large, approximately 75 cm (30 in) long, terrestrial pigeon confined to southern lowland forests of New Guinea. It has a bluish-grey plumage with elaborate blue lacy crests.
The Ulysses butterfly (Papilio ulysses), also known as the Blue Mountain Butterfly, or the Blue Mountain Swallowtail is a large Australian swallowtail. The Ulysses butterfly has a wingspan of about 14 cm (5.5 inches).
The Maltese tiger, or blue tiger, is a suspected coloration morph of a tiger, reported mostly from the Fujian Province of China. It is said to have bluish fur with dark grey stripes
Dendrobates azureus is a type of poison dart frog found in the forests surrounded by the Sipaliwini savannah, which is located in southern Suriname and Brazil
Agama sinaita is an agamid lizard. It is common in deserts around the Red sea. The length of the lizard is up to 25 cm
The blue mussel, Mytilus edulis, is a medium-sized edible marine bivalve mollusc in the family Mytilidae.
Paracanthurus hepatus has a royal blue body, yellow tail, and black 'palette' design. The lower body is yellow in the west-central Indian Ocean. It grows to 31 cm (12.25 in.). The species' range is broad, but it is nowhere common.
Around one in two million lobsters is blue. The red colour associated with lobsters only appears after cooking.
The Blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales (called Mysticeti). Blue Whales can reach up to 33 metres (108 ft) in length and 180 metric tons (200 short tons) or more in weight.
The dwarf gourami, Colisa lalia, has an almost translucent blue color, with vertical red to dark orange stripes. In its native range it is dried for food, and it is also kept as an aquarium fish. It has become highly popular for aquaria.
The humphead wrasse (Cheilinus undulatus) is a wrasse that is mainly found in coral reefs in the Indo-Pacific region. It is also known as the Mori wrasse, Napoleon wrasse, Napoleonfish
Hypselodoris infucata is a species of colorful sea slug or dorid nudibranch, a marine opisthobranch gastropod mollusk in the family Chromodorididae
Halmus chalybeus, commonly known as the steelblue ladybird, is a species of ladybird (the beetle family Coccinellidae). It has an iridescent blue/green colouration and is a predator of other insects.
The Greater Blue-ringed Octopus (Hapalochlaena lunulata) is one of three (or perhaps four) species of blue-ringed octopuses. Unlike its southern brethren, the Blue-lined and Southern Blue-ringed octopuses that are found only in Australian waters.
British Shorthairs come in many colours. For many years, the more popular blue variant was common enough to have a breed name of its own: the "British Blue." It remains one of the most popular colours in the breed.
The Lear's Macaw (Anodorhynchus leari), also known as the Indigo Macaw, is a rare Brazilian parrot with a highly restricted range. It is metallic blue with a faint tinge of green, and a yellow patch of skin at the base of the head.
The Indian Peafowl, Pavo cristatus (from Latin Pavo, peafowl; cristatus, crested), also known as the Common Peafowl or the Blue Peafowl, is one of two species of bird in the genus Pavo of the Phasianidae family known as peafowl.
Maylandia callainos (sometimes referred to as Cobalt Zebra, Cobalt Blue Mbuna or Cobalt Blue African Cichlid) is a species of fish in the Cichlidae family. The correct name of its genus is disputed, with some using Maylandia and others Metriaclima.
The Blue Dacnis or Turquoise Honeycreeper, Dacnis cayana, is a small passerine bird. This member of the tanager family is found from Nicaragua to Panama, on Trinidad, and in South America south to Bolivia and northern Argentina.
The Blue Dasher (Pachydiplax longipennis) is a dragonfly of the skimmer family. It is common and widely distributed in the United States.
The Purple Honeycreeper, Cyanerpes caeruleus, is a small bird in the tanager family. It is found in the tropical New World from Colombia and Venezuela south to Brazil, and on Trinidad.
The Western Bluebird (Sialia mexicana) is a medium-sized thrush. Their breeding habitat is semi-open country across western North America, but not desert areas.
The ribbon eel, Rhinomuraena quaesita, or Bernis eel, is a species of saltwater eels, the only member of the genus Rhinomuraena of the Muraenidae (Moray eel) family of order Anguilliformes.
A blue groper is a member of two similar species of fish found in the coastal waters of southern Australia, distinguished by the bright blue colouring of the adult males.