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Young fisherman with dolphinfish from Santorini, Greece, c. 1600 BCE (Minoan civilization). The mahi-mahi (/ ˌ m ɑː h i ˈ m ɑː h i / MAH-hee-MAH-hee) [3] or common dolphinfish [2] (Coryphaena hippurus) is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide.
Scales are absent in the families Scolecomorphidae and Typhlonectidae, except the species Typhlonectes compressicauda where minute scales have been found in the hinder region of the body. [25] The skin also has numerous ring-shaped folds, or annuli, that partially encircle the body, giving them a segmented appearance.
They are near the hinder border of the scales. Only occasionally are two pits found in one scale. These pits are found in the gavials but are absent in some, probably all, alligators. A small knob projects from the center of some of the pits. These pits are not openings of glands but have about the same structure as the pits seen in the head.
The skin, which contains large amounts of reticulated collagen, can be up to 7.3 cm (2 + 3 ⁄ 4 in) thick on the ventral surface, and is covered by denticles and a layer of mucus instead of scales. The skin on the clavus is smoother than that on the body, where it can be as rough as sandpaper.
Skin cancer is the most commonly diagnosed form of cancer in humans. [11] [12] [13] There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous-cell skin cancer (SCC) and melanoma. [1] The first two, along with a number of less common skin cancers, are known as nonmelanoma skin cancer (NMSC).
About 5.4 million basal and squamous cell cancers (the two most common types of skin cancer) are diagnosed each year in the U.S., and about 80% of those are basal cell cancers, the American Cancer ...
Ichthyosis (also named fish scale disease) [1] is a family of genetic skin disorders characterized by dry, thickened, scaly skin. [2] The more than 20 types of ichthyosis range in severity of symptoms, outward appearance, underlying genetic cause and mode of inheritance (e.g., dominant, recessive , autosomal or X-linked ). [ 3 ]
[105] [106] In the pelagic ocean, flyingfishes (13) channel energy and nutrients from zooplankton to pelagic predators such as mahi-mahi (14) and billfish (15), both of which utilize slicks as nursery habitat. Larvae of mesopelagic fishes like lanternfish (16) and bathydemersal tripod fishes (17) utilize these surface hotspots before descending ...