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  2. Pearlscale - Wikipedia

    en.wikipedia.org/wiki/Pearlscale

    Scales to be domed; Dorsal fin to be single, all other fins to be paired; Caudal fin to be divided and forked and held above the horizontal; Extremities of fins to have a slightly rounded appearance; Minimum length of body to be 5.5 cm (2¼ inches) The fish should be bright and alert and displaying well developed domed scales all over the body ...

  3. File:Spandrel-large scale pattern.svg - Wikipedia

    en.wikipedia.org/wiki/File:Spandrel-large_scale...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...

  4. Lepidophagy - Wikipedia

    en.wikipedia.org/wiki/Lepidophagy

    Lepidophagy, or scale-eating, has been reported in a range of fish, including: Chanda nama (family Ambassidae), [4] Plagiotremus (family Blenniidae), [5] Terapon jarbua (family Terapontidae), [1] a few Ariopsis and Neoarius species (family Ariidae), [6] Pachypterus khavalchor (family Pachypteridae), Macrorhamphoides uradoi (family Triacanthodidae), several pencil catfish (family ...

  5. Fish scale - Wikipedia

    en.wikipedia.org/wiki/Fish_scale

    A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages.

  6. Pearlscale butterflyfish - Wikipedia

    en.wikipedia.org/wiki/Pearlscale_butterflyfish

    Pearlscale butterflyfish can grow to a standard length of 15 centimetres (5.9 in) with no discernible differences between males and females. The body is pearly white and the scales have black edges, giving the sides a more cross-hatched pattern instead of the clear chevrons in related species.

  7. Cosmine - Wikipedia

    en.wikipedia.org/wiki/Cosmine

    Cosmine was first described in the Osteolepiform Megalichthys hibberti by Williamson in 1849, in a purely descriptive, pre-Darwinian, non-evolutionary framework. [4] Goodrich [5] expanded on Williamson's descriptions, hypothesizing a transition from a monoodontode scale (like a chondryicthian placoid scale) to a complex polyodontode scale through fusion of discrete units.

  8. Ganoine - Wikipedia

    en.wikipedia.org/wiki/Ganoine

    The mineral texture of alligator gar scales consists of bundles of cross-plied hydroxyapatite minerals oriented towards the scale's surface. Ganoine or ganoin is a glassy, often multi-layered mineralized tissue that covers the scales , cranial bones and fin rays in some non-teleost ray-finned fishes , [ 1 ] such as gars and bichirs , as well as ...

  9. Finescale dace - Wikipedia

    en.wikipedia.org/wiki/Finescale_dace

    The finescale dace (Chrosomus neogaeus) is a species of freshwater fish in the family Cyprinidae of order Cypriniformes.It is native to the northern portions of Minnesota, [3] with relatively smaller populations in northern New York, Vermont, New Hampshire (where C. neogaeus is found in only Connecticut and Androscoggin River drainages north of the White Mountains), and Maine.