1) a reproductive guild (q.v.) of an obligatory plant spawner characterised by an adhesive egg envelope sticking to submerged plants (both live and dead), by late hatching, cement glands, by not being phototactic, and by having very well developed embryonic respiratory structures, e.g. Cyprinus carpio2) a reproductive guild (q.v.) of adhesive eggs attaching to aquatic plants but tended by the adult. Extended embryonic period, free embryos without cement glands swim instantly, e.g. Pomoxis annularis (Centrarchidae)
Dictionary of ichthyology. 2009.
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reproductive guild — a group of unrelated fishes with a similar form of reproduction, e.g. on substrates such as rocks and gravel (lithophil), in open water (pelagophil), on plants both living and dead (phytophil), on sand (psammophil), in holes and crevices… … Dictionary of ichthyology