The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century. It was hunted...
The Fin whale (Balaenoptera physalus) is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cetacean on Earth after the Blue whale. American naturalist Roy Chapman Andrews called the fin whale "the greyhound...
The Scottish wildcat (Felis silvestris silvestris) is a European wildcat population in Scotland. It was once widely distributed across Great Britain, but the population has declined drastically since the turn of the 20th century. It is now limited...
The Sei whale (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the Blue whale and the Fin whale. It inhabits most oceans and adjoining seas and prefers deep offshore waters. The whale's name comes from the Norwegian word...
The freshwater pearl mussel (Margaritifera margaritifera ) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.Although the name "freshwater pearl mussel" is often used for this species, other...
The basking shark (Cetorhinus maximus) is the second-largest living shark and fish, after the whale shark. It is one of three plankton-eating shark species, along with the whale shark and megamouth shark. Typically, basking sharks reach 7.9 m (26...
The shortfin mako (; Māori: /ˈmaːko/; Isurus oxyrinchus), also known as the shortfin mako shark, blue pointer, or bonito shark, is a large mackerel shark. It is commonly referred to as the mako shark, as is the longfin mako shark (Isurus paucus)....
The sand tiger shark (Carcharias taurus), gray nurse shark, spotted ragged-tooth shark or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf, from sandy shorelines...
The European eel (Anguilla anguilla) is a species of eel. They are critically endangered due to overfishing by fisheries on coasts for human consumption and parasites.
The Balearic shearwater (Puffinus mauretanicus ) is a medium-sized shearwater in the seabird family Procellariidae. Puffinus is a New Latin loanword based on the English "puffin" and its variants, that referred to the cured carcass of the fat...
Squatina squatina, the angelshark or monkfish, is a species of shark in the family Squatinidae (known generally also as angel sharks), that were once widespread in the coastal waters of the northeastern Atlantic Ocean. Well-adapted for camouflaging...
Sharks portalThe angular roughshark (Oxynotus centrina) is a rough shark of the family Oxynotidae.
The school shark (Galeorhinus galeus) is a houndshark of the family Triakidae, and the only member of the genus Galeorhinus. Common names also include tope, tope shark, snapper shark, and soupfin shark. It is found worldwide in temperate seas at...
2022}}Margaritifera auricularia is a species of European freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels. Formerly found throughout western and central Europe, the species is now critically...
The sterlet (Acipenser ruthenus) is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating...
The European sea sturgeon (Acipenser sturio), also known as the Atlantic sturgeon or common sturgeon, is a species of sturgeon native to Europe. It was formerly abundant, being found in coastal habitats all over Europe. It is anadromous and breeds...
Austropotamobius pallipes is an endangered European freshwater crayfish, and the only crayfish native to the British Isles. Its common names include white-clawed crayfish and Atlantic stream crayfish.
The common skate (Dipturus batis), also known as the blue skate, is the largest skate in the world, attaining a length of up to 2.85 m (9 ft 4 in). Historically, it was one of the most abundant skates in the northeast Atlantic Ocean and the...
The gulper shark (Centrophorus granulosus) is a long and slender dogfish usually about three feet in length generally found in deep, murky waters all around the world. It is a light grayish brown, paler ventrally, with a long snout and large...
Coregonus vandesius, the vendace, is a freshwater whitefish found in the United Kingdom. Population surveys since the 1960s have revealed a steady decline and the fish is no longer present in some of its previous haunts but is still present in...
The American plaice, American sole or long rough dab (Hippoglossoides platessoides) is a North Atlantic flatfish that belongs, along with other right-eyed flounders, to the family Pleuronectidae. In the northwest Atlantic (H. p. platessoides) it...
Sharks portalThe common smooth-hound (Mustelus mustelus) is a houndshark of the family Triakidae. It is found in the eastern Atlantic Ocean from the British Isles to South Africa, and in the Mediterranean Sea, Madeira, and the Canary Islands at...
The bramble shark (Echinorhinus brucus) is one of the two species of sharks in the family Echinorhinidae. Aside from the eastern Pacific Ocean, it is found in tropical and temperate waters worldwide. This rarely encountered shark swims close to the...
The schelly (Coregonus stigmaticus) is a living fresh water fish of the salmon family, endemic to four lakes in the Lake District, England. Its taxonomy is disputed with some recognizing it as a distinct species and others as a variant of the...
The gwyniad (Coregonus pennantii) is a freshwater whitefish native to Bala Lake (Welsh: Llyn Tegid) in northern Wales.The population is threatened by deteriorating water quality and by the ruffe, a fish introduced to the lake in the 1980s and now...
The pollan or Irish pollan (Coregonus pollan or Coregonus autumnalis) is a freshwater whitefish known only from five Irish lakes, Lough Neagh, Lower Lough Erne, Lough Ree, Lough Derg and Lough Allen. The pollan faces competition from introduced...
The spiny butterfly ray or giant butterfly ray (Gymnura altavela) is a species of butterfly ray, family Gymnuridae, native to the shallow coastal waters of the Atlantic Ocean. A large ray that can measure over 2 m (6 ft 7 in) across, it may be...
The common eagle ray or bullray (Myliobatis aquila) is a species of fish in the family Myliobatidae. It inhabits the eastern Atlantic Ocean (North Sea to South Africa), the Mediterranean Sea and the south-western Indian Ocean.
The puffadder shyshark (Haploblepharus edwardsii), also known as the Happy Eddie, is a species of catshark, belonging to the family Scyliorhinidae, endemic to the temperate waters off the coast of South Africa. This common shark is found on or near...
Coryphaenoides rupestris is a species of marine ray-finned fish in the family Macrouridae. Its common names include the rock grenadier, the roundnose grenadier and the roundhead rat-tail. In France it is known as grenadier de roche and in Spain as...
The undulate ray (Raja undulata) is a species of ray and cartilaginous fish found in the Mediterranean and East Atlantic from southern Ireland and England to the Gulf of Guinea. It is found in areas with mud or sand, and may occur as deep as 200 m...
Ivell's sea anemone (Edwardsia ivelli) is a species of sea anemone in the family Edwardsiidae. It is endemic to a single location, Widewater Lagoon in West Sussex, England, where it was first discovered by Richard Ivell. It has been listed as Data...
The leafscale gulper shark (Centrophorus squamosus) is a dogfish of the family Centrophoridae. C. squamosus is reported to have a lifespan of approximately 70 years, based on otolith ring counts. It was the first described species in the genus...
Salvelinus grayi, also called Gray's char, Lough Melvin char or freshwater herring, is a species of lacustrine char in the family Salmonidae.It is only found in Lough Melvin, Ireland; numbers of fish are declining and the species is considered...
The violet click beetle (Gambrinus violaceus, formerly Limoniscus violaceus) is a black beetle, 12 mm (0.5 in) long, with a faint blue/violet reflection. It gets its name from the family habit of springing upwards with an audible click if it falls...
