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Water Reference Libraries

Page 7 of about 81 Articles
Signal Crayfish
2008-05-04 22:26:21

The Signal Crayfish (Pacifastacus leniusculus), is an American crayfish indigenous to the western United States. Signal Crayfish were introduced in Swedish rivers and lakes to replace the native crayfish species there that were nearly exterminated from the crayfish plague that devastated the European crayfish stocks. This species has also been introduced to Japan and a number of other countries...

White-clawed Crayfish
2008-05-01 00:28:17

The White-clawed Crayfish or Atlantic Stream Crayfish (Austropotamobius pallipes), is a European freshwater crayfish, and the only species of crayfish native to the British Isles. It is found from the Balkan Peninsula to Spain and reaches its northerly limit in Great Britain and Ireland, where it also has its greatest population density. The distribution of A. pallipes is rapidly shrinking...

Bearded Seal
2007-10-23 16:48:25

The Bearded Seal (Erignathus barbatus), or Square Flipper Seal, is a seal found in or near to the Arctic Ocean. Its most characteristic feature is the whiskers on its face. When dry, the whiskers curl up giving the bearded seal a raffish look. Other distinguishable features are the square fore-flippers and thick bristles pn their muzzles. Adults are grayish-brown in color, darker on the...

Orbicular batfish
2007-05-21 07:48:59

The Orbicular batfish (Platax orbicularis) is a popular aquarium fish endemic to tropical waters of the Indian and Pacific Oceans. Its body is almost disc-shaped, and very thin; the tail, about 20% of the body length, is fan-shaped and taller than it is long. Males can grow to up to 19.69 in (50 cm) in length, though aquarium specimens are generally much shorter. In the wild, the Orbicular...

Stripedfin ronquil
2007-02-25 20:55:31

The Stripedfin ronquil (Rathbunella hypoplecta) is a fish native to the eastern Pacific Ocean. Its range is from San Francisco, California to northern Baja California, Mexico. It can reach a total length of 6.3 in (16 cm), and is elongated with a characteristic black and white pattern along the body. It inhabits rocky and sandy areas on exposed coasts as well as kelp forests. Its depth range is...

Sperm Whale
2006-08-26 19:18:28

The Sperm Whale (Physeter macrocephalus) is the largest of all toothed whales and is believed to be the largest toothed animal to ever inhabit Earth, measuring up to 60 ft (18 m) long. (The baleen blue whale is larger, and invertebrates such as the Lion's Mane Jellyfish or the Portuguese Man of War may be longer.) The whale was named after the milky-white substance spermaceti found in its head...

Rough-toothed Dolphin
2006-08-26 19:09:07

The Rough-toothed Dolphin (Steno bredanensis) is a fairly large dolphin that can be found in deep warm and tropical waters around the world. Naming and discovery Cuvier first described the Dolphin in 1823. The genus name Steno, of which this species is the only member, comes from the Greek for 'narrow', referring to the species nose - which is a diagnostic characteristic of the species....

Harbor Porpoise
2006-08-26 19:06:56

The Harbor Porpoise (Phocoena phocoena) is one of 6 species of porpoise, and so one of about eighty cetacean species. The Harbor Porpoise, as its name implies, stays close to coastal areas or river estuaries and as such is the most familiar porpoise to whale watchers. This porpoise often ventures up rivers and has been seen hundreds of miles from the sea. Physical description The Harbor...

Bottlenose Dolphin
2006-08-26 19:01:36

The Bottlenose Dolphin (Tursiops truncatus) is the most common and well-known dolphin species. It inhabits warm and temperate seas worldwide and may be found in all but the Arctic and the Antarctic Oceans. Physical description Bottlenose Dolphins are grey, varying from dark grey at the top near the dorsal fin to very light grey and almost white at the underside. The salt water makes them...

Spinner Dolphin
2006-08-26 18:55:31

The Spinner Dolphin (Stenella longirostris) is a small dolphin found in offshore tropical waters around the world. It is famous for its acrobatic displays in which they will spin longitudinally along their axis as they leap through the air. Taxonomy The Spinner Dolphin is sometimes referred to as the Long-snouted Spinner Dolphin, particularly in older texts, to distinguish it from the...

Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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