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The eating of scales and the skin surrounding the scales provides protein rich nutrients that may not be available elsewhere in the niche. [71] Fish jaws normally show bilateral symmetry. An exception occurs with the scale-eating cichlid Perissodus microlepis. The jaws of this fish occur in two distinct morphological forms. One morph has its ...
The bucktooth tetra eats scales off other fishes. Lepidophagy is a specialised feeding behaviour in fish that involves eating the scales of other fish. [1] Lepidophagy is widespread, having evolved independently in at least five freshwater families and seven marine families. [2]
Fish jaws, like vertebrates in general, normally show bilateral symmetry. An exception occurs with the parasitic scale-eating cichlid Perissodus microlepis. The jaws of this fish occur in two distinct morphological forms. One morph has its jaw twisted to the left, allowing it to eat scales more readily on its victim's right flank.
In zoology, a scale (Ancient Greek: λεπίς, romanized: lepís; Latin: squāma) is a small rigid plate that grows out of an animal's skin to provide protection. In lepidopterans ( butterflies and moths ), scales are plates on the surface of the insect wing , and provide coloration.
The scales of alligator gar are not like the scales of other fishes, which have flexible elasmoid scales; gar bodies are protected by inflexible and articulated ganoid scales that are rhomboidal-shaped, often with serrated edges, and composed of a tough inner layer of bone and hard outer layer of ganoin, which is essentially homologous to tooth ...
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Piranhas will often scavenge, [9] and some species such as Serrasalmus elongatus are specialized scale-eaters, feeding primarily on scales and fins of other fish. [3] Scale- and fin-eating is more widespread among juvenile and sub-adult piranhas. [20] Piranhas lay their eggs in pits dug during the breeding season and swim around to protect them.
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