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Cleaner fish. Cleaner fish are fish that show a specialist feeding strategy [ 1 ] by providing a service to other species, referred to as clients, [ 2 ] by removing dead skin, ectoparasites, and infected tissue from the surface or gill chambers. [ 2 ] This example of cleaning symbiosis represents mutualism and cooperation behaviour, [ 3 ] an ...
Bluestreak cleaner wrasses clean to consume ectoparasites on client fish for food. The bigger fish recognise them as cleaner fish because they have a lateral stripe along the length of their bodies, [9] and by their movement patterns. Cleaner wrasses greet visitors in an effort to secure the food source and cleaning opportunity with the client.
Here is a list of examples in which unrelated proteins have similar functions with different structure. The convergent orientation of the catalytic triad in the active site of serine and cysteine proteases independently in over 20 enzyme superfamilies. [252] The use of an N-terminal threonine for proteolysis.
See text. The wrasses are a family, Labridae, of marine fish, many of which are brightly colored. The family is large and diverse, with over 600 species in 81 genera, which are divided into 9 subgroups or tribes. [1][2][3] They are typically small, most of them less than 20 cm (7.9 in) long, although the largest, the humphead wrasse, can ...
Description. The bumblebee hummingbird is 5.9 to 7.5 cm (2.3 to 3.0 in) long and weighs 2 to 2.7 g (0.071 to 0.095 oz); it is one of the smallest hummingbirds. [8][9] Both sexes of both subspecies have a short, straight, blackish bill and a small white spot behind the eye. [8]
Rufous-breasted hermit, Tobago Hummingbirds of Trinidad and Tobago Black-throated mango, Tobago Ruby-topaz hummingbird, Tobago Copper-rumped hummingbird, Trinidad. Order: Apodiformes Family: Trochilidae. Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly ...
File:Fish Coloring Pages PDF.pdf. Size of this JPG preview of this PDF file: 424 × 600 pixels. Other resolutions: 170 × 240 pixels | 339 × 480 pixels | 543 × 768 pixels | 1,239 × 1,752 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file ...
Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]