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Many marine fishes mate in massive and spectacular gatherings at predictable times and places. These spawning aggregations are… Expand Fisheries that target fish spawning aggregations can exhibit hyperstability, in which catch per unit effort (CPUE) remains… Expand We investigated shoals of capelin (Mallotus villosus), the focal forage fish species in the Northwest Atlantic, in nearshore… Expand The content (% wet mass) in water, ash, lipid, crude protein, DNA and RNA of different tissues was determined during sexual… Expand Many tropical reef fishes spawn in large aggregations, which are readily targeted by fishers. By the 1980s, at least two grouper… Expand Although the paleontological evidence is sketchy, the genus Salvelinus appears to have arisen some 5–10 million years (My) ago… Expand Abstract Parental investment theory predicts that parents should adjust the level of care given to offspring relative to brood… Expand Abstract: Relationships between sexual maturity, steroid hormone levels and spawning migrations of female roach Rutilus rutilus… Expand Abstract A new method for describing the size composition of salmonid spawning gravel was developed. For gravel samples from… Expand Viable spawns have been obtained in the laboratory from untreated prawn Penaeus indicus and from others which had one eyestalk… Expand