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Aurelia aurita (also called the common jellyfish, moon jellyfish, moon jelly or saucer jelly) is a species of the family Ulmaridae. [1] [2] All species in the genus are very similar, and it is difficult to identify Aurelia medusae without genetic sampling; [3] most of what follows applies equally to all species of the genus.
Silhouette. A silhouette (English: / ˌsɪluˈɛt /, [1] French: [silwɛt]) is the image of a person, animal, object or scene represented as a solid shape of a single colour, usually black, with its edges matching the outline of the subject. The interior of a silhouette is featureless, and the silhouette is usually presented on a light ...
Fish retinas generally have both rod cells and cone cells (for scotopic and photopic vision), and most species have colour vision. Some fish can see ultraviolet and some are sensitive to polarised light. Among jawless fishes, the lamprey [1] has well-developed eyes, while the hagfish has only primitive eyespots. [2]
The body of the adult short-finned eel is long and snakelike, roughly tubular and the head is small, with the jaws reaching back to below the eye or further. The dorsal (top) and anal (bottom) fins are of roughly equal length. The colour varies considerably from one individual to another; a deep olive-green is typical but it can be much lighter ...
The round whitefish is different than other whitefish by having one flap between the nostril openings (instead of two). It can grow up to 50 centimetres (20 in) in length [6] and typically grow in increments of 55–65 millimetres (2.2–2.6 in) annually. Most of its growth takes place in its first five years of life. [8]
Taijitu. In Chinese philosophy, a taijitu (Chinese: 太極圖; pinyin: tàijítú; Wade–Giles: tʻai⁴chi²tʻu²) is a symbol or diagram (圖; tú) representing taiji (太極; tàijí; 'utmost extreme') in both its monist (wuji) and its dualist (yin and yang) forms in application is a deductive and inductive theoretical model. Such a ...
The European anchovy (Engraulis encrasicolus) is a forage fish somewhat related to the herring. It is a type of anchovy; anchovies are placed in the family Engraulidae. It lives off the coasts of Europe and Africa, including in the Mediterranean Sea, the Black Sea, and the Sea of Azov. It is fished by humans throughout much of its range.
Four-striped Damselfish typically grow to about three or four inches. The less common species name is Dascyllus melanurus. They are also omnivores, eating anything ranging from algae to small fish or shrimp. Three alternating black and white vertical bands make up the body coloration with a fourth black band ending at the tail.