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Results for “od”

Ichthyological terms, not general ones.

Species 29Articles 2Glossary 326

  • xylophagy

    Practise of feeding on, living in, or being destructive to wood.

    Used in 9 profiles

  • yolk sac

    A membranous sac containing yolk attached to the ventral surface of embryos and early larvae in some fishes. Retained for a period post-hatching in those species which form yolk sac larvae.

    Used in 221 profiles

  • yolk sac larva

    Post-hatching larval stage occurring in many fish species whereby the yolk sac remains attached to the ventral surface for a period. The larva does not feed normally until the yolk is fully-absorbed.

  • zoea

    Early, planktonic larval form common in decapod crustaceans, e.g., crabs, characterised by possession of well-developed abdominal appendages and one or more spines on the carapace.

  • zoobenthos

    Those animal species dwelling on or in the bottom of a water body.

    Used in 9 profiles

  • zooxanthella

    Any member of the yellow-green algae genus Symbiodinium, comprising unicellular, flagellate protozoa that exist within the cells of other protozoa and some invertebrates, especially corals. They thus form an endosymbiosis in which they can provide up to 90% of the host's energy requirements.