Spawn (biology) facts for kids

Frog spawn.

Spawn is the eggs of some animals. Laying those eggs is called spawning. Animals that live in water, such as fish and amphibians, reproduce by spawning. When the spawn hatches, the young fish are called fry and the young amphibians are called tadpoles.

Images for kids

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  The spawn (eggs) of a clownfish. The black spots are the developing eyes.

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  Pacific salmon are semelparous or "big bang" spawners, which means they die shortly after spawning

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  The pickled and dehydrated roe of mullet

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  Pike usually spawn on vegetation flooded by high water. Their eggs adhere to the stems of plants.

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  Bitterlings transfer responsibility for the care of their young to mussels. This male bitterling is exhibiting spawning colours

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  Damselfish are substrate spawners. This one keeps her spawn in a gastropod shell

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  The stickleback glues plant material to make its nest

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  Male seahorses are pouch brooders

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  Guppies are livebearers. This one has been pregnant for about 26 days.

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  Within two or three days, the vulnerable goldfish eggs hatch into larvae, and rapidly develop into fry

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  Copepod
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  Pacific oyster

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  A juvenile squid

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  Common frogs sorting out their spawn

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  Frog spawn up close

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  Green turtle hatchling

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  Harvesting oyster mushroom Pleurotus ostreatus cultivated using spawns embedded in sawdust mixture placed in plastic containers

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  Baby paradise fish just hatched, gathered under the surface of a bubble nest

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  Anemone fish nest in an anemone. Here a male is protecting spawn produced by his partner.

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  Siamese fighting fish build bubble nests of varying sizes.

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  A pair of Siamese fighting fish spawning under their bubble nest.

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  One-day-old Siamese fighting fish larvae in a bubble nest - their yolk sacs have not yet been absorbed

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  A 15-day-old free-swimming fry of a Siamese fighting fish

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  Spawning brittle star

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  Head of female krill with her brood sac

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  Spawning sockeye salmon

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  These lagoons, connected to the River Tees, provide a quiet backwater for fish to spawn and to take refuge in times of high water levels

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  In the middle of this weir is a fish ladder, which allows trout and salmon to pass the weir to go upriver to spawn.

See also

In Spanish: Freza para niños