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Results for “eyed-up”

Ichthyological terms, not general ones.

Species 92Articles 8Glossary 38

  • eyed-up

    Term used in the aquarium hobby in reference to an eyed egg.

  • adipose eyelid

    Transparent eyelid present in some fishes, that covers some or all of the eye.

  • eye diameter

    In ichthyology, the greatest distance between the margins of the eye.

    Used in 38 profiles

  • eyed egg

    A fish egg within which the embryo has developed to a point whereby the eyes are visible through the external membrane.

  • ocellus

    Element of colour pattern resembling an eye; an eyespot or 'false' eye, often present in order to disorient predators.

    Used in 39 profiles

  • albino

    A person or animal lacking or deficient in normal pigmentation due to an absence of melanin. Albino animals typically possess red eyes, unlike leucistic forms which typically have normally-coloured eyes.

    Used in 50 profiles

  • exophthalmia

    Abnormal bulging of the eye from the orbit commonly referred to as 'pop eye' in aquarium literature and resulting from excessive accumulation of fluid or gases at the back of the socket. Not a disease but a secondary sympom of some other infection or physical issue.

  • leucism

    Condition in which all types of skin pigment are reduced due to defects in pigment cell differentiation with the normal result a partially (often referred to as 'pied' or 'piebald'), or more rarely, completely white animal. Differs from albinism, which is caused by a lack of melanin only, in several ways, with one of the most apparent being that albino animals typically have red eyes whereas leucism does not normally affect eye colour. Pronounced, and sometimes spelled, leukism.

  • orbit

    Either of two dermal, bony structures in the skull, each of which houses an eye; eye socket.

    Used in 28 profiles

  • antorbital

    A small, paired dermal bone lying lateral to the nasal bone in front of the eye.

    Used in 2 profiles

  • cephalopod

    Any marine mollusc of the class Cephalopoda which includes octopus, squid, cuttlefish, and nautilus. Characterised by possession of a large head and eyes, prehensile tentacles, and, in most species, a specialised sac containing a dark, inky fluid used in defensive behaviour.

  • circumorbitals

    Series of dermal bones surrounding the eye, including the suborbitals and supraorbitals.

  • Cyclops

    Genus of freshwater copepods characterised and so named by possession of a single, large, median eye. Sometimes cultured as food for fry or very small fishes.

    Used in 8 profiles

  • ethmoid

    Light, spongy bone of the skull located between the orbits and forming part of the eye socket and nasal cavity.

  • frontal

    Either of the two dermal bone on top of the skull, above the eyes. May be paired or fused.

    Used in 42 profiles

  • infraorbital

    Of, relating to, located on, or being the region below the eye.

    Used in 131 profiles

  • infraorbital canal

    Section of the lateral-line system located below the eye. Almost extends to the snout.

  • interorbital

    Of, relating to, or located on the space between the eyes

    Used in 55 profiles