bottom mop
a tightly tied mass of synthetic yarn in various configurations used as a spawning medium in aquaria for fish that normally lay eggs on vegetation. The bottom mop is used for species that spawn at or near the bottom

Dictionary of ichthyology. 2009.

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  • mop — an artificial, aquarium spawning medium for those fishes that deposit or scatter adhesive eggs in or over vegetation; consists of a mass of synthetic yarn tied into various configurations. See also floating (or top) mop, bottom mop and trailing… …   Dictionary of ichthyology

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  • spawning mop — an artificial, aquarium spawning medium for those fishes that deposit or scatter adhesive eggs in or over vegetation; consists of a mass of synthetic yarn tied into various configurations. See also floating (or top) mop, bottom mop and trailing… …   Dictionary of ichthyology

  • trailing mop — a tightly tied mass of synthetic yarn in various configurations with cork or styrofoam used as a spawning medium in aquaria for fish that normally lay eggs on vegetation. The trailing mop is used for species that spawn at all water levels and is …   Dictionary of ichthyology

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